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Including CVEs outside Waratek scope✕Product ssh✕
Overview 411 matches · 26 in Waratek scope · 6 protected · 11 exploited · 1 CISA KEV · 56 public PoC · 14 EPSS ≥ 0.5
411matches 26in Waratek scope6.3% 6protected1.5% 11exploited2.7% 1CISA KEV0.2% 56public PoC13.6% 14EPSS ≥ 0.53.4%
Protected by Waratek 6 1.5% Rule in development 0 0.0% Mitigation candidate 0 0.0% No exploit published 20 4.9% Outside Waratek scope 24 5.8% Not applicable 361 87.8% Withdrawn CVE 0 0.0%
Critical 45 10.9% High 169 41.1% Medium 166 40.4% Low 31 7.5% None 0 0.0% Unknown 0 0.0%
blocked by ARMR today 6 1.5% partly blocked 0 0.0% not blocked 405 98.5% not established 0 0.0% unrecorded 0 0.0%
Exploited 11 2.7% Working exploit published 40 9.7% Proof of concept only 30 7.3% Forecast only 1 0.2% No public exploit 329 80.0%
split by peak 87 / year
Not applicable: 361Outside Waratek scope: 24No exploit published: 20Protected by Waratek: 6 Low: 31Medium: 166High: 169Critical: 45 not blocked: 405blocked by ARMR today: 6 No public exploit: 329Forecast only: 1Proof of concept only: 30Working exploit published: 40Exploited: 11
19983 Not applicable3 High2 Medium1 not blocked3 No public exploit3 19996 Not applicable6 High2 Medium2 Low2 not blocked6 Working exploit published1 No public exploit5 20006 Not applicable6 High3 Medium3 not blocked6 Working exploit published1 No public exploit5 200122 Not applicable22 High13 Medium7 Low2 not blocked22 Working exploit published5 No public exploit17 200213 Not applicable13 Critical2 High10 Medium1 not blocked13 Working exploit published5 No public exploit8 20038 Not applicable8 High7 Medium1 not blocked8 Working exploit published1 No public exploit7 20048 Not applicable8 High2 Medium6 not blocked8 Exploited1 No public exploit7 20057 Not applicable7 High3 Medium3 Low1 not blocked7 Working exploit published1 No public exploit6 200614 Not applicable14 High7 Medium6 Low1 not blocked14 Working exploit published5 Proof of concept only1 No public exploit8 200710 Outside Waratek scope1 Not applicable9 High3 Medium7 not blocked10 Exploited1 No public exploit9 200817 Not applicable17 High9 Medium6 Low2 not blocked17 Working exploit published7 Proof of concept only1 No public exploit9 20094 Not applicable4 High1 Medium3 not blocked4 Working exploit published1 No public exploit3 20101 Not applicable1 Critical1 not blocked1 No public exploit1 20113 Not applicable3 High2 Medium1 not blocked3 No public exploit3 201211 Not applicable11 High6 Medium3 Low2 not blocked11 Working exploit published1 No public exploit10 20137 Not applicable7 High1 Medium6 not blocked7 No public exploit7 20148 Outside Waratek scope1 Not applicable7 High1 Medium6 Low1 not blocked8 No public exploit8 20156 Not applicable6 High3 Medium3 not blocked6 Working exploit published1 No public exploit5 201612 Not applicable12 Critical1 High5 Medium6 not blocked12 Working exploit published3 Proof of concept only1 Forecast only1 No public exploit7 201715 No exploit published1 Outside Waratek scope1 Not applicable13 Critical4 High5 Medium6 not blocked15 Working exploit published3 No public exploit12 201815 No exploit published3 Outside Waratek scope4 Not applicable8 Critical5 High3 Medium7 not blocked15 Exploited1 Working exploit published2 Proof of concept only1 No public exploit11 201926 Outside Waratek scope9 Not applicable17 Critical10 High11 Medium5 not blocked26 Exploited4 No public exploit22 202012 Outside Waratek scope3 Not applicable9 Critical2 High5 Medium5 not blocked12 Working exploit published1 Proof of concept only1 No public exploit10 202112 No exploit published1 Outside Waratek scope3 Not applicable8 Critical2 High6 Medium4 not blocked12 No public exploit12 202219 Protected by Waratek2 No exploit published8 Not applicable9 Critical3 High6 Medium8 Low2 blocked by ARMR today2 not blocked17 Proof of concept only5 No public exploit14 202326 Protected by Waratek1 No exploit published1 Outside Waratek scope1 Not applicable23 Critical3 High9 Medium14 blocked by ARMR today1 not blocked25 Exploited2 Proof of concept only6 No public exploit18 202413 No exploit published1 Not applicable12 Critical3 High5 Medium4 Low1 not blocked13 Exploited1 Working exploit published2 Proof of concept only2 No public exploit8 202520 No exploit published1 Outside Waratek scope1 Not applicable18 Critical4 High5 Medium7 Low4 not blocked20 Proof of concept only6 No public exploit14 202687 Protected by Waratek3 No exploit published4 Not applicable80 Critical5 High34 Medium35 Low13 blocked by ARMR today3 not blocked84 Exploited1 Proof of concept only6 No public exploit80
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CVE Severity Published▾ Status Exploitation Description
CVE-2019-3857 High 2019-03-25 Outside Waratek scope No public exploit An integer overflow flaw which could lead to an out of bounds write was discovered in libssh2 before 1.8.1 in the way SSH_MSG_CHANNEL_REQUEST packets with an exit signal are parsed. A remote attacker who compromises a SSH server may be able to execute code on the client system when a user connects to the server.
CVE-2019-3856 High 2019-03-25 Outside Waratek scope No public exploit An integer overflow flaw, which could lead to an out of bounds write, was discovered in libssh2 before 1.8.1 in the way keyboard prompt requests are parsed. A remote attacker who compromises a SSH server may be able to execute code on the client system when a user connects to the server.
CVE-2019-3862 Critical 2019-03-21 Not applicable No public exploit An out of bounds read flaw was discovered in libssh2 before 1.8.1 in the way SSH_MSG_CHANNEL_REQUEST packets with an exit status message and no payload are parsed. A remote attacker who compromises a SSH server may be able to cause a Denial of Service or read data in the client memory.
CVE-2019-3859 Critical 2019-03-21 Not applicable No public exploit An out of bounds read flaw was discovered in libssh2 before 1.8.1 in the _libssh2_packet_require and _libssh2_packet_requirev functions. A remote attacker who compromises a SSH server may be able to cause a Denial of Service or read data in the client memory.
CVE-2019-3858 Critical 2019-03-21 Not applicable No public exploit An out of bounds read flaw was discovered in libssh2 before 1.8.1 when a specially crafted SFTP packet is received from the server. A remote attacker who compromises a SSH server may be able to cause a Denial of Service or read data in the client memory.
CVE-2019-3855 High 2019-03-21 Outside Waratek scope No public exploit An integer overflow flaw which could lead to an out of bounds write was discovered in libssh2 before 1.8.1 in the way packets are read from the server. A remote attacker who compromises a SSH server may be able to execute code on the client system when a user connects to the server.
CVE-2017-2659 High 2019-03-21 Not applicable No public exploit It was found that dropbear before version 2013.59 with GSSAPI leaks whether given username is valid or invalid. When an invalid username is given, the GSSAPI authentication failure was incorrectly counted towards the maximum allowed number of password attempts.
CVE-2019-7639 High 2019-02-08 Not applicable No public exploit An issue was discovered in gsi-openssh-server 7.9p1 on Fedora 29. If PermitPAMUserChange is set to yes in the /etc/gsissh/sshd_config file, logins succeed with a valid username and an incorrect password, even though a failure entry is recorded in the /var/log/messages file.
CVE-2019-3464 Critical 2019-02-06 Not applicable No public exploit Insufficient sanitization of environment variables passed to rsync can bypass the restrictions imposed by rssh, a restricted shell that should restrict users to perform only rsync operations, resulting in the execution of arbitrary shell commands.
CVE-2019-3463 Critical 2019-02-06 Not applicable No public exploit Insufficient sanitization of arguments passed to rsync can bypass the restrictions imposed by rssh, a restricted shell that should restrict users to perform only rsync operations, resulting in the execution of arbitrary shell commands.
CVE-2019-1000018 High 2019-02-04 Not applicable No public exploit rssh version 2.3.4 contains a CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection') vulnerability in allowscp permission that can result in Local command execution. This attack appear to be exploitable via An authorized SSH user with the allowscp permission.
CVE-2019-6111 Medium 2019-01-31 Not applicable Exploited An issue was discovered in OpenSSH 7.9. Due to the scp implementation being derived from 1983 rcp, the server chooses which files/directories are sent to the client. However, the scp client only performs cursory validation of the object name returned (only directory traversal attacks are prevented). A malicious scp server (or Man-in-The-Middle attacker) can overwrite arbitrary files in the scp client target directory. If recursive operation (-r) is performed, the server can manipulate subdirectories as well (for example, to overwrite the .ssh/authorized_keys file).
CVE-2019-6110 Medium 2019-01-31 Outside Waratek scope Exploited In OpenSSH 7.9, due to accepting and displaying arbitrary stderr output from the server, a malicious server (or Man-in-The-Middle attacker) can manipulate the client output, for example to use ANSI control codes to hide additional files being transferred.
CVE-2019-6109 Medium 2019-01-31 Outside Waratek scope Exploited An issue was discovered in OpenSSH 7.9. Due to missing character encoding in the progress display, a malicious server (or Man-in-The-Middle attacker) can employ crafted object names to manipulate the client output, e.g., by using ANSI control codes to hide additional files being transferred. This affects refresh_progress_meter() in progressmeter.c.
CVE-2018-20685 Medium 2019-01-10 Outside Waratek scope Exploited In OpenSSH 7.9, scp.c in the scp client allows remote SSH servers to bypass intended access restrictions via the filename of . or an empty filename. The impact is modifying the permissions of the target directory on the client side.
CVE-2018-10933 Critical 2018-10-17 Outside Waratek scope Working exploit published A vulnerability was found in libssh's server-side state machine before versions 0.7.6 and 0.8.4. A malicious client could create channels without first performing authentication, resulting in unauthorized access.
CVE-2018-16059 Medium 2018-09-07 Not applicable Exploited Endress+Hauser WirelessHART Fieldgate SWG70 3.x devices allow Directory Traversal via the fcgi-bin/wgsetcgi filename parameter.
CVE-2018-15919 Medium 2018-08-28 Outside Waratek scope Proof of concept only Remotely observable behaviour in auth-gss2.c in OpenSSH through 7.8 could be used by remote attackers to detect existence of users on a target system when GSS2 is in use. NOTE: the discoverer states 'We understand that the OpenSSH developers do not want to treat such a username enumeration (or "oracle") as a vulnerability.'
CVE-2018-15599 Medium 2018-08-21 Not applicable No public exploit The recv_msg_userauth_request function in svr-auth.c in Dropbear through 2018.76 is prone to a user enumeration vulnerability because username validity affects how fields in SSH_MSG_USERAUTH messages are handled, a similar issue to CVE-2018-15473 in an unrelated codebase.
CVE-2018-15473 Medium 2018-08-17 Outside Waratek scope Working exploit published OpenSSH through 7.7 is prone to a user enumeration vulnerability due to not delaying bailout for an invalid authenticating user until after the packet containing the request has been fully parsed, related to auth2-gss.c, auth2-hostbased.c, and auth2-pubkey.c.
CVE-2018-1999036 Medium 2018-08-01 No exploit published No public exploit An exposure of sensitive information vulnerability exists in Jenkins SSH Agent Plugin 1.15 and earlier in SSHAgentStepExecution.java that exposes the SSH private key password to users with permission to read the build log.
CVE-2017-2648 Medium 2018-07-27 No exploit published No public exploit It was found that jenkins-ssh-slaves-plugin before version 1.15 did not perform host key verification, thereby enabling Man-in-the-Middle attacks.
CVE-2018-14441 Critical 2018-07-20 Not applicable No public exploit An issue was discovered in cckevincyh SSH CompanyWebsite through 2018-05-03. admin/admin/fileUploadAction_fileUpload.action allows arbitrary file upload, as demonstrated by a .jsp file with the image/jpeg content type.
CVE-2018-14440 Critical 2018-07-20 Not applicable No public exploit An issue was discovered in cckevincyh SSH CompanyWebsite through 2018-05-03. SQL injection exists via the admin/noticeManageAction_queryNotice.action noticeInfo parameter.
CVE-2018-9853 Critical 2018-07-10 Not applicable No public exploit Insecure access control in freeSSHd version 1.3.1 allows attackers to obtain the privileges of the freesshd.exe process by leveraging the ability to login to an unprivileged account on the server.
CVE-2018-1000601 Medium 2018-06-26 No exploit published No public exploit A arbitrary file read vulnerability exists in Jenkins SSH Credentials Plugin 1.13 and earlier in BasicSSHUserPrivateKey.java that allows attackers with a Jenkins account and the permission to configure credential bindings to read arbitrary files from the Jenkins master file system.
CVE-2018-3737 High 2018-06-07 Not applicable No public exploit sshpk is vulnerable to ReDoS when parsing crafted invalid public keys.
CVE-2018-7749 Critical 2018-03-12 Not applicable No public exploit The SSH server implementation of AsyncSSH before 1.12.1 does not properly check whether authentication is completed before processing other requests. A customized SSH client can simply skip the authentication step.
CVE-2017-1000475 High 2018-01-24 Not applicable No public exploit FreeSSHd 1.3.1 version is vulnerable to an Unquoted Path Service allowing local users to launch processes with elevated privileges.
CVE-2016-10708 High 2018-01-21 Outside Waratek scope No public exploit sshd in OpenSSH before 7.4 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via an out-of-sequence NEWKEYS message, as demonstrated by Honggfuzz, related to kex.c and packet.c.
CVE-2017-1000245 Critical 2017-11-01 No exploit published No public exploit The SSH Plugin stores credentials which allow jobs to access remote servers via the SSH protocol. User passwords and passphrases for encrypted SSH keys are stored in plaintext in a configuration file.
CVE-2017-15906 Medium 2017-10-26 Outside Waratek scope No public exploit The process_open function in sftp-server.c in OpenSSH before 7.6 does not properly prevent write operations in readonly mode, which allows attackers to create zero-length files.
CVE-2017-2298 Medium 2017-06-30 Not applicable No public exploit The mcollective-sshkey-security plugin before 0.5.1 for Puppet uses a server-specified identifier as part of a path where a file is written. A compromised server could use this to write a file to an arbitrary location on the client with the filename appended with the string "_pub.pem".
CVE-2017-9079 Medium 2017-05-19 Not applicable No public exploit Dropbear before 2017.75 might allow local users to read certain files as root, if the file has the authorized_keys file format with a command= option. This occurs because ~/.ssh/authorized_keys is read with root privileges and symlinks are followed.
CVE-2017-9078 High 2017-05-19 Not applicable No public exploit The server in Dropbear before 2017.75 might allow post-authentication root remote code execution because of a double free in cleanup of TCP listeners when the -a option is enabled.
CVE-2016-1908 Critical 2017-04-11 Not applicable No public exploit The client in OpenSSH before 7.2 mishandles failed cookie generation for untrusted X11 forwarding and relies on the local X11 server for access-control decisions, which allows remote X11 clients to trigger a fallback and obtain trusted X11 forwarding privileges by leveraging configuration issues on this X11 server, as demonstrated by lack of the SECURITY extension on this X11 server.
CVE-2016-7409 Medium 2017-03-03 Not applicable No public exploit The dbclient and server in Dropbear SSH before 2016.74, when compiled with DEBUG_TRACE, allows local users to read process memory via the -v argument, related to a failed remote ident.
CVE-2016-7408 High 2017-03-03 Not applicable No public exploit The dbclient in Dropbear SSH before 2016.74 allows remote attackers to execute arbitrary code via a crafted (1) -m or (2) -c argument.
CVE-2016-7407 Critical 2017-03-03 Not applicable No public exploit The dropbearconvert command in Dropbear SSH before 2016.74 allows attackers to execute arbitrary code via a crafted OpenSSH key file.
CVE-2016-7406 Critical 2017-03-03 Not applicable No public exploit Format string vulnerability in Dropbear SSH before 2016.74 allows remote attackers to execute arbitrary code via format string specifiers in the (1) username or (2) host argument.
CVE-2016-6210 Medium 2017-02-13 Not applicable Working exploit published sshd in OpenSSH before 7.3, when SHA256 or SHA512 are used for user password hashing, uses BLOWFISH hashing on a static password when the username does not exist, which allows remote attackers to enumerate users by leveraging the timing difference between responses when a large password is provided.
CVE-2016-10012 High 2017-01-05 Not applicable No public exploit The shared memory manager (associated with pre-authentication compression) in sshd in OpenSSH before 7.4 does not ensure that a bounds check is enforced by all compilers, which might allows local users to gain privileges by leveraging access to a sandboxed privilege-separation process, related to the m_zback and m_zlib data structures.
CVE-2016-10011 Medium 2017-01-05 Not applicable No public exploit authfile.c in sshd in OpenSSH before 7.4 does not properly consider the effects of realloc on buffer contents, which might allow local users to obtain sensitive private-key information by leveraging access to a privilege-separated child process.
CVE-2016-10010 High 2017-01-05 Not applicable Working exploit published sshd in OpenSSH before 7.4, when privilege separation is not used, creates forwarded Unix-domain sockets as root, which might allow local users to gain privileges via unspecified vectors, related to serverloop.c.
CVE-2016-10009 High 2017-01-05 Not applicable Working exploit published Untrusted search path vulnerability in ssh-agent.c in ssh-agent in OpenSSH before 7.4 allows remote attackers to execute arbitrary local PKCS#11 modules by leveraging control over a forwarded agent-socket.
CVE-2016-8858 High 2016-12-09 Not applicable Proof of concept only The kex_input_kexinit function in kex.c in OpenSSH 6.x and 7.x through 7.3 allows remote attackers to cause a denial of service (memory consumption) by sending many duplicate KEXINIT requests. NOTE: a third party reports that "OpenSSH upstream does not consider this as a security issue."
CVE-2016-6515 High 2016-08-07 Not applicable Working exploit published The auth_password function in auth-passwd.c in sshd in OpenSSH before 7.3 does not limit password lengths for password authentication, which allows remote attackers to cause a denial of service (crypt CPU consumption) via a long string.
CVE-2016-4422 Critical 2016-05-06 Not applicable No public exploit The pam_sm_authenticate function in pam_sshauth.c in libpam-sshauth might allow context-dependent attackers to bypass authentication or gain privileges via a system user account.
CVE-2015-8325 High 2016-05-01 Not applicable No public exploit The do_setup_env function in session.c in sshd in OpenSSH through 7.2p2, when the UseLogin feature is enabled and PAM is configured to read .pam_environment files in user home directories, allows local users to gain privileges by triggering a crafted environment for the /bin/login program, as demonstrated by an LD_PRELOAD environment variable.
CVE-2016-0787 Medium 2016-04-13 Not applicable No public exploit The diffie_hellman_sha256 function in kex.c in libssh2 before 1.7.0 improperly truncates secrets to 128 or 256 bits, which makes it easier for man-in-the-middle attackers to decrypt or intercept SSH sessions via unspecified vectors, aka a "bits/bytes confusion bug."
CVE-2016-0739 Medium 2016-04-13 Not applicable No public exploit libssh before 0.7.3 improperly truncates ephemeral secrets generated for the (1) diffie-hellman-group1 and (2) diffie-hellman-group14 key exchange methods to 128 bits, which makes it easier for man-in-the-middle attackers to decrypt or intercept SSH sessions via unspecified vectors, aka a "bits/bytes confusion bug."
CVE-2015-3146 High 2016-04-13 Not applicable No public exploit The (1) SSH_MSG_NEWKEYS and (2) SSH_MSG_KEXDH_REPLY packet handlers in package_cb.c in libssh before 0.6.5 do not properly validate state, which allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a crafted SSH packet.
CVE-2016-3116 Medium 2016-03-22 Not applicable Working exploit published CRLF injection vulnerability in Dropbear SSH before 2016.72 allows remote authenticated users to bypass intended shell-command restrictions via crafted X11 forwarding data.
CVE-2016-3115 Medium 2016-03-22 Not applicable Working exploit published Multiple CRLF injection vulnerabilities in session.c in sshd in OpenSSH before 7.2p2 allow remote authenticated users to bypass intended shell-command restrictions via crafted X11 forwarding data, related to the (1) do_authenticated1 and (2) session_x11_req functions.
CVE-2016-1907 Medium 2016-01-19 Not applicable No public exploit The ssh_packet_read_poll2 function in packet.c in OpenSSH before 7.1p2 allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via crafted network traffic.
CVE-2016-0778 High 2016-01-14 Not applicable No public exploit The (1) roaming_read and (2) roaming_write functions in roaming_common.c in the client in OpenSSH 5.x, 6.x, and 7.x before 7.1p2, when certain proxy and forward options are enabled, do not properly maintain connection file descriptors, which allows remote servers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact by requesting many forwardings.
CVE-2016-0777 Medium 2016-01-14 Not applicable Forecast only The resend_bytes function in roaming_common.c in the client in OpenSSH 5.x, 6.x, and 7.x before 7.1p2 allows remote servers to obtain sensitive information from process memory by requesting transmission of an entire buffer, as demonstrated by reading a private key.
CVE-2015-6565 High 2015-08-24 Not applicable Working exploit published sshd in OpenSSH 6.8 and 6.9 uses world-writable permissions for TTY devices, which allows local users to cause a denial of service (terminal disruption) or possibly have unspecified other impact by writing to a device, as demonstrated by writing an escape sequence.
CVE-2015-6564 High 2015-08-24 Not applicable No public exploit Use-after-free vulnerability in the mm_answer_pam_free_ctx function in monitor.c in sshd in OpenSSH before 7.0 on non-OpenBSD platforms might allow local users to gain privileges by leveraging control of the sshd uid to send an unexpectedly early MONITOR_REQ_PAM_FREE_CTX request.
CVE-2015-6563 Medium 2015-08-24 Not applicable No public exploit The monitor component in sshd in OpenSSH before 7.0 on non-OpenBSD platforms accepts extraneous username data in MONITOR_REQ_PAM_INIT_CTX requests, which allows local users to conduct impersonation attacks by leveraging any SSH login access in conjunction with control of the sshd uid to send a crafted MONITOR_REQ_PWNAM request, related to monitor.c and monitor_wrap.c.
CVE-2015-5600 High 2015-08-03 Not applicable No public exploit The kbdint_next_device function in auth2-chall.c in sshd in OpenSSH through 6.9 does not properly restrict the processing of keyboard-interactive devices within a single connection, which makes it easier for remote attackers to conduct brute-force attacks or cause a denial of service (CPU consumption) via a long and duplicative list in the ssh -oKbdInteractiveDevices option, as demonstrated by a modified client that provides a different password for each pam element on this list.
CVE-2015-5352 Medium 2015-08-03 Not applicable No public exploit The x11_open_helper function in channels.c in ssh in OpenSSH before 6.9, when ForwardX11Trusted mode is not used, lacks a check of the refusal deadline for X connections, which makes it easier for remote attackers to bypass intended access restrictions via a connection outside of the permitted time window.
CVE-2015-1782 Medium 2015-03-13 Not applicable No public exploit The kex_agree_methods function in libssh2 before 1.5.0 allows remote servers to cause a denial of service (crash) or have other unspecified impact via crafted length values in an SSH_MSG_KEXINIT packet.
CVE-2014-8132 Medium 2014-12-29 Not applicable No public exploit Double free vulnerability in the ssh_packet_kexinit function in kex.c in libssh 0.5.x and 0.6.x before 0.6.4 allows remote attackers to cause a denial of service via a crafted kexinit packet.
CVE-2014-9278 Medium 2014-12-06 Not applicable No public exploit The OpenSSH server, as used in Fedora and Red Hat Enterprise Linux 7 and when running in a Kerberos environment, allows remote authenticated users to log in as another user when they are listed in the .k5users file of that user, which might bypass intended authentication requirements that would force a local login.
CVE-2014-6751 Medium 2014-09-28 Not applicable No public exploit The Grasshopper Beta (aka com.grasshopper.dialer) application 2.1 for Android does not verify X.509 certificates from SSL servers, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.
CVE-2014-2653 Medium 2014-03-27 Not applicable No public exploit The verify_host_key function in sshconnect.c in the client in OpenSSH 6.6 and earlier allows remote servers to trigger the skipping of SSHFP DNS RR checking by presenting an unacceptable HostCertificate.
CVE-2014-2532 Medium 2014-03-18 Outside Waratek scope No public exploit sshd in OpenSSH before 6.6 does not properly support wildcards on AcceptEnv lines in sshd_config, which allows remote attackers to bypass intended environment restrictions by using a substring located before a wildcard character.
CVE-2014-0017 Low 2014-03-14 Not applicable No public exploit The RAND_bytes function in libssh before 0.6.3, when forking is enabled, does not properly reset the state of the OpenSSL pseudo-random number generator (PRNG), which causes the state to be shared between children processes and allows local users to obtain sensitive information by leveraging a pid collision.
CVE-2011-4327 Medium 2014-02-03 Not applicable No public exploit ssh-keysign.c in ssh-keysign in OpenSSH before 5.8p2 on certain platforms executes ssh-rand-helper with unintended open file descriptors, which allows local users to obtain sensitive key information via the ptrace system call.
CVE-2014-1692 High 2014-01-29 Not applicable No public exploit The hash_buffer function in schnorr.c in OpenSSH through 6.4, when Makefile.inc is modified to enable the J-PAKE protocol, does not initialize certain data structures, which might allow remote attackers to cause a denial of service (memory corruption) or have unspecified other impact via vectors that trigger an error condition.
CVE-2013-4548 Medium 2013-11-08 Not applicable No public exploit The mm_newkeys_from_blob function in monitor_wrap.c in sshd in OpenSSH 6.2 and 6.3, when an AES-GCM cipher is used, does not properly initialize memory for a MAC context data structure, which allows remote authenticated users to bypass intended ForceCommand and login-shell restrictions via packet data that provides a crafted callback address.
CVE-2013-4434 Medium 2013-10-25 Not applicable No public exploit Dropbear SSH Server before 2013.59 generates error messages for a failed logon attempt with different time delays depending on whether the user account exists, which allows remote attackers to discover valid usernames.
CVE-2013-4421 Medium 2013-10-25 Not applicable No public exploit The buf_decompress function in packet.c in Dropbear SSH Server before 2013.59 allows remote attackers to cause a denial of service (memory consumption) via a compressed packet that has a large size when it is decompressed.
CVE-2010-5107 High 2013-03-07 Not applicable No public exploit The default configuration of OpenSSH through 6.1 enforces a fixed time limit between establishing a TCP connection and completing a login, which makes it easier for remote attackers to cause a denial of service (connection-slot exhaustion) by periodically making many new TCP connections.
CVE-2013-0176 Medium 2013-02-05 Not applicable No public exploit The publickey_from_privatekey function in libssh before 0.5.4, when no algorithm is matched during negotiations, allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a "Client: Diffie-Hellman Key Exchange Init" packet.
CVE-2012-2252 Medium 2013-01-11 Not applicable No public exploit Incomplete blacklist vulnerability in rssh before 2.3.4, when the rsync protocol is enabled, allows local users to bypass intended restricted shell access via the --rsh command line option.
CVE-2012-2251 Medium 2013-01-11 Not applicable No public exploit rssh 2.3.2, as used by Debian, Fedora, and others, when the rsync protocol is enabled, allows local users to bypass intended restricted shell access via a (1) "-e" or (2) "--" command line option.
CVE-2012-6066 High 2012-12-04 Not applicable Working exploit published freeSSHd.exe in freeSSHd through 1.2.6 allows remote attackers to bypass authentication via a crafted session, as demonstrated by an OpenSSH client with modified versions of ssh.c and sshconnect2.c.
CVE-2012-6063 High 2012-11-30 Not applicable No public exploit Double free vulnerability in the sftp_mkdir function in sftp.c in libssh before 0.5.3 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via unspecified vectors, a different vector than CVE-2012-4559.
CVE-2012-4562 High 2012-11-30 Not applicable No public exploit Multiple integer overflows in libssh before 0.5.3 allow remote attackers to cause a denial of service (infinite loop or crash) and possibly execute arbitrary code via unspecified vectors, which triggers a buffer overflow, infinite loop, or possibly some other unspecified vulnerabilities.
CVE-2012-4561 Medium 2012-11-30 Not applicable No public exploit The (1) publickey_make_dss, (2) publickey_make_rsa, (3) signature_from_string, (4) ssh_do_sign, and (5) ssh_sign_session_id functions in keys.c in libssh before 0.5.3 free "an invalid pointer on an error path," which might allow remote attackers to cause a denial of service (crash) via unspecified vectors.
CVE-2012-4560 High 2012-11-30 Not applicable No public exploit Multiple buffer overflows in libssh before 0.5.3 allow remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via unspecified vectors.
CVE-2012-4559 Medium 2012-11-30 Not applicable No public exploit Multiple double free vulnerabilities in the (1) agent_sign_data function in agent.c, (2) channel_request function in channels.c, (3) ssh_userauth_pubkey function in auth.c, (4) sftp_parse_attr_3 function in sftp.c, and (5) try_publickey_from_file function in keyfiles.c in libssh before 0.5.3 allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via unspecified vectors.
CVE-2012-3478 Low 2012-08-31 Not applicable No public exploit rssh 2.3.3 and earlier allows local users to bypass intended restricted shell access via crafted environment variables in the command line.
CVE-2012-0920 High 2012-06-05 Not applicable No public exploit Use-after-free vulnerability in Dropbear SSH Server 0.52 through 2012.54, when command restriction and public key authentication are enabled, allows remote authenticated users to execute arbitrary code and bypass command restrictions via multiple crafted command requests, related to "channels concurrency."
CVE-2012-0269 High 2012-04-27 Not applicable No public exploit Buffer overflow in JustSystems Ichitaro 2011 Sou, Ichitaro 2006 through 2011, Ichitaro Government 2006 through 2010, Ichitaro Portable with oreplug, Ichitaro Viewer, JUST School, JUST School 2009 and 2010, JUST Jump 4, JUST Frontier, oreplug, Shuriken Pro4, Shuriken 2007 through 2010, Shuriken Pro4 Corporate Edition, Shuriken CE/2007 through CE/2009 Corporate Edition, Shuriken 2010 Corporate Edition, Rekishimail Sengokubusho no missho, and Bakumatsushishi no missho allows remote attackers to execute arbitrary code via a crafted image file.
CVE-2011-5000 Low 2012-04-05 Not applicable No public exploit The ssh_gssapi_parse_ename function in gss-serv.c in OpenSSH 5.8 and earlier, when gssapi-with-mic authentication is enabled, allows remote authenticated users to cause a denial of service (memory consumption) via a large value in a certain length field. NOTE: there may be limited scenarios in which this issue is relevant.
CVE-2012-0814 Medium 2012-01-27 Not applicable No public exploit The auth_parse_options function in auth-options.c in sshd in OpenSSH before 5.7 provides debug messages containing authorized_keys command options, which allows remote authenticated users to obtain potentially sensitive information by reading these messages, as demonstrated by the shared user account required by Gitolite. NOTE: this can cross privilege boundaries because a user account may intentionally have no shell or filesystem access, and therefore may have no supported way to read an authorized_keys file in its own home directory.
CVE-2011-0766 High 2011-05-31 Not applicable No public exploit The random number generator in the Crypto application before 2.0.2.2, and SSH before 2.0.5, as used in the Erlang/OTP ssh library before R14B03, uses predictable seeds based on the current time, which makes it easier for remote attackers to guess DSA host and SSH session keys.
CVE-2010-4755 Medium 2011-03-02 Not applicable No public exploit The (1) remote_glob function in sftp-glob.c and the (2) process_put function in sftp.c in OpenSSH 5.8 and earlier, as used in FreeBSD 7.3 and 8.1, NetBSD 5.0.2, OpenBSD 4.7, and other products, allow remote authenticated users to cause a denial of service (CPU and memory consumption) via crafted glob expressions that do not match any pathnames, as demonstrated by glob expressions in SSH_FXP_STAT requests to an sftp daemon, a different vulnerability than CVE-2010-2632.
CVE-2011-0539 High 2011-02-10 Not applicable No public exploit The key_certify function in usr.bin/ssh/key.c in OpenSSH 5.6 and 5.7, when generating legacy certificates using the -t command-line option in ssh-keygen, does not initialize the nonce field, which might allow remote attackers to obtain sensitive stack memory contents or make it easier to conduct hash collision attacks.
CVE-2010-4478 Critical 2010-12-06 Not applicable No public exploit OpenSSH 5.6 and earlier, when J-PAKE is enabled, does not properly validate the public parameters in the J-PAKE protocol, which allows remote attackers to bypass the need for knowledge of the shared secret, and successfully authenticate, by sending crafted values in each round of the protocol, a related issue to CVE-2010-4252.
CVE-2009-2904 Medium 2009-10-01 Not applicable No public exploit A certain Red Hat modification to the ChrootDirectory feature in OpenSSH 4.8, as used in sshd in OpenSSH 4.3 in Red Hat Enterprise Linux (RHEL) 5.4 and Fedora 11, allows local users to gain privileges via hard links to setuid programs that use configuration files within the chroot directory, related to requirements for directory ownership.
CVE-2009-3340 Medium 2009-09-24 Not applicable No public exploit Unspecified vulnerability in FreeSSHD 1.2.4 allows remote attackers to cause a denial of service via unknown vectors, as demonstrated by a certain module in VulnDisco Pack Professional 8.11. NOTE: as of 20090917, this disclosure has no actionable information. However, because the VulnDisco Pack author is a reliable researcher, the issue is being assigned a CVE identifier for tracking purposes.
CVE-2008-6899 High 2009-08-05 Not applicable Working exploit published Multiple buffer overflows in freeSSHd 1.2.1 allow remote authenticated users to cause a denial of service (crash) and execute arbitrary code via a long (1) open, (2) unlink, (3) mkdir, (4) rmdir, or (5) stat SFTP command.
CVE-2009-1273 Medium 2009-04-08 Not applicable No public exploit pam_ssh 1.92 and possibly other versions, as used when PAM is compiled with USE=ssh, generates different error messages depending on whether the username is valid or invalid, which makes it easier for remote attackers to enumerate usernames.
CVE-2008-5161 Low 2008-11-19 Not applicable No public exploit Error handling in the SSH protocol in (1) SSH Tectia Client and Server and Connector 4.0 through 4.4.11, 5.0 through 5.2.4, and 5.3 through 5.3.8; Client and Server and ConnectSecure 6.0 through 6.0.4; Server for Linux on IBM System z 6.0.4; Server for IBM z/OS 5.5.1 and earlier, 6.0.0, and 6.0.1; and Client 4.0-J through 4.3.3-J and 4.0-K through 4.3.10-K; and (2) OpenSSH 4.7p1 and possibly other versions, when using a block cipher algorithm in Cipher Block Chaining (CBC) mode, makes it easier for remote attackers to recover certain plaintext data from an arbitrary block of ciphertext in an SSH session via unknown vectors.
CVE-2008-4762 High 2008-10-28 Not applicable Working exploit published Stack-based buffer overflow in freeSSHd 1.2.1 allows remote authenticated users to cause a denial of service (service crash) and potentially execute arbitrary code via a long argument to the (1) rename and (2) realpath parameters.
CVE-2008-4726 High 2008-10-24 Not applicable Working exploit published Stack-based buffer overflow in the SFTP subsystem in GoodTech SSH 6.4 allows remote authenticated users to execute arbitrary code via a long string to the (1) open (aka SSH_FXP_OPEN), (2) unlink, (3) opendir, and other unspecified parameters.
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