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Oracle Critical Patch Update April 2021

Released April 2021 · Oracle's advisory ↗ · ← Critical Patch Update, January 2021 · Critical Patch Update, July 2021 →

258 CVEs in this release, one square each

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Share this chart Oracle Critical Patch Update April 2021, one square per CVE: 137 Java CVEs, 19 protected by Waratek, 7 exploited, 121 other CVEs in this release.

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19Protected by Waratek3Mitigation candidate115No exploit published67Outside Waratek scope54Not applicable 7Exploited, marked by the ring

No exploit published. For 97 of them, Oracle's security advisory is the source of public detail.

Protected by Waratek. Waratek RASP can block exploitation of these on systems that have not applied the patch yet.

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Protection: None✕
Overview 118 matches · 0 protected · 1 exploited · 0 CISA KEV · 3 public PoC · 4 EPSS ≥ 0.5
118matches 0protected0.0% 1exploited0.8% 0CISA KEV0.0% 3public PoC2.5% 4EPSS ≥ 0.53.4%
Protected by Waratek 0 0.0% Rule in development 0 0.0% Mitigation candidate 3 2.5% No exploit published 115 97.5%
Critical 12 10.2% High 79 66.9% Medium 23 19.5% Low 4 3.4% None 0 0.0% Unknown 0 0.0%
blocked by ARMR today 0 0.0% partly blocked 0 0.0% not blocked 118 100.0% not established 0 0.0% unrecorded 0 0.0%
Exploited 1 0.8% Working exploit published 1 0.8% Proof of concept only 1 0.8% Forecast only 3 2.5% No public exploit 112 94.9%
split by peak 93 / quarter
No exploit published: 115Mitigation candidate: 3 Low: 4Medium: 23High: 79Critical: 12 not blocked: 118 No public exploit: 112Forecast only: 3Proof of concept only: 1Working exploit published: 1Exploited: 1
Q1 181 No exploit published1 High1 not blocked1 No public exploit1 Q2 181 No exploit published1 High1 not blocked1 No public exploit1 Q3 180 Q4 180 Q1 190 Q2 191 Mitigation candidate1 Medium1 not blocked1 Working exploit published1 Q3 191 No exploit published1 High1 not blocked1 No public exploit1 Q4 192 No exploit published2 Critical2 not blocked2 No public exploit2 Q1 202 No exploit published2 Critical1 High1 not blocked2 No public exploit2 Q2 203 Mitigation candidate1 No exploit published2 Critical1 Medium2 not blocked3 Exploited1 No public exploit2 Q3 204 No exploit published4 Critical2 High1 Medium1 not blocked4 No public exploit4 Q4 207 No exploit published7 High4 Medium2 Low1 not blocked7 No public exploit7 Q1 213 No exploit published3 High2 Medium1 not blocked3 Forecast only1 No public exploit2 Q2 2193 Mitigation candidate1 No exploit published92 Critical6 High68 Medium16 Low3 not blocked93 Proof of concept only1 Forecast only2 No public exploit90
Q2 18Q4 18Q2 19Q4 19Q2 20Q4 20Q2 21
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CVE Severity Published▾ Status Exploitation Description
CVE-2020-13954 Medium 2020-11-12 No exploit published No public exploit By default, Apache CXF creates a /services page containing a listing of the available endpoint names and addresses. This webpage is vulnerable to a reflected Cross-Site Scripting (XSS) attack via the styleSheetPath, which allows a malicious actor to inject javascript into the web page. This vulnerability affects all versions of Apache CXF prior to 3.4.1 and 3.3.8. Please note that this is a separate issue to CVE-2019-17573.
CVE-2020-7760 High 2020-10-30 No exploit published No public exploit This affects the package codemirror before 5.58.2; the package org.apache.marmotta.webjars:codemirror before 5.58.2. The vulnerable regular expression is located in https://github.com/codemirror/CodeMirror/blob/cdb228ac736369c685865b122b736cd0d397836c/mode/javascript/javascript.jsL129. The ReDOS vulnerability of the regex is mainly due to the sub-pattern (s|/*.*?*/)*
CVE-2020-11979 High 2020-10-01 No exploit published No public exploit As mitigation for CVE-2020-1945 Apache Ant 1.10.8 changed the permissions of temporary files it created so that only the current user was allowed to access them. Unfortunately the fixcrlf task deleted the temporary file and created a new one without said protection, effectively nullifying the effort. This would still allow an attacker to inject modified source files into the build process.
CVE-2020-5421 Medium 2020-09-19 No exploit published No public exploit In Spring Framework versions 5.2.0 - 5.2.8, 5.1.0 - 5.1.17, 5.0.0 - 5.0.18, 4.3.0 - 4.3.28, and older unsupported versions, the protections against RFD attacks from CVE-2015-5211 may be bypassed depending on the browser used through the use of a jsessionid path parameter.
CVE-2020-5413 Critical 2020-07-31 No exploit published No public exploit Spring Integration framework provides Kryo Codec implementations as an alternative for Java (de)serialization. When Kryo is configured with default options, all unregistered classes are resolved on demand. This leads to the "deserialization gadgets" exploit when provided data contains malicious code for execution during deserialization. In order to protect against this type of attack, Kryo can be configured to require a set of trusted classes for (de)serialization. Spring Integration should be proactive against blocking unknown "deserialization gadgets" when configuring Kryo in code.
CVE-2019-17638 Critical 2020-07-09 No exploit published No public exploit In Eclipse Jetty, versions 9.4.27.v20200227 to 9.4.29.v20200521, in case of too large response headers, Jetty throws an exception to produce an HTTP 431 error. When this happens, the ByteBuffer containing the HTTP response headers is released back to the ByteBufferPool twice. Because of this double release, two threads can acquire the same ByteBuffer from the pool and while thread1 is about to use the ByteBuffer to write response1 data, thread2 fills the ByteBuffer with other data. Thread1 then proceeds to write the buffer that now contains different data. This results in client1, which issued request1 seeing data from another request or response which could contain sensitive data belonging to client2 (HTTP session ids, authentication credentials, etc.). If the Jetty version cannot be upgraded, the vulnerability can be significantly reduced by configuring a responseHeaderSize significantly larger than the requestHeaderSize (12KB responseHeaderSize and 8KB requestHeaderSize).
CVE-2020-11994 High 2020-07-08 No exploit published No public exploit Server-Side Template Injection and arbitrary file disclosure on Camel templating components
CVE-2020-9480 Critical 2020-06-23 Mitigation candidate Exploited In Apache Spark 2.4.5 and earlier, a standalone resource manager's master may be configured to require authentication (spark.authenticate) via a shared secret. When enabled, however, a specially-crafted RPC to the master can succeed in starting an application's resources on the Spark cluster, even without the shared key. This can be leveraged to execute shell commands on the host machine. This does not affect Spark clusters using other resource managers (YARN, Mesos, etc).
CVE-2020-5408 Medium 2020-05-14 No exploit published No public exploit Spring Security versions 5.3.x prior to 5.3.2, 5.2.x prior to 5.2.4, 5.1.x prior to 5.1.10, 5.0.x prior to 5.0.16 and 4.2.x prior to 4.2.16 use a fixed null initialization vector with CBC Mode in the implementation of the queryable text encryptor. A malicious user with access to the data that has been encrypted using such an encryptor may be able to derive the unencrypted values using a dictionary attack.
CVE-2020-9489 Medium 2020-04-27 No exploit published No public exploit A carefully crafted or corrupt file may trigger a System.exit in Tika's OneNote Parser. Crafted or corrupted files can also cause out of memory errors and/or infinite loops in Tika's ICNSParser, MP3Parser, MP4Parser, SAS7BDATParser, OneNoteParser and ImageParser. Apache Tika users should upgrade to 1.24.1 or later. The vulnerabilities in the MP4Parser were partially fixed by upgrading the com.googlecode:isoparser:1.1.22 dependency to org.tallison:isoparser:1.9.41.2. For unrelated security reasons, we upgraded org.apache.cxf to 3.3.6 as part of the 1.24.1 release.
CVE-2019-12423 High 2020-01-16 No exploit published No public exploit Apache CXF ships with a OpenId Connect JWK Keys service, which allows a client to obtain the public keys in JWK format, which can then be used to verify the signature of tokens issued by the service. Typically, the service obtains the public key from a local keystore (JKS/PKCS12) by specifing the path of the keystore and the alias of the keystore entry. This case is not vulnerable. However it is also possible to obtain the keys from a JWK keystore file, by setting the configuration parameter "rs.security.keystore.type" to "jwk". For this case all keys are returned in this file "as is", including all private key and secret key credentials. This is an obvious security risk if the user has configured the signature keystore file with private or secret key credentials. From CXF 3.3.5 and 3.2.12, it is mandatory to specify an alias corresponding to the id of the key in the JWK file, and only this key is returned. In addition, any private key information is omitted by default. "oct" keys, which contain secret keys, are not returned at all.
CVE-2019-0219 Critical 2020-01-14 No exploit published No public exploit A website running in the InAppBrowser webview on Android could execute arbitrary JavaScript in the main application's webview using a specially crafted gap-iab: URI.
CVE-2019-2904 Critical 2019-10-16 No exploit published No public exploit Vulnerability in the Oracle JDeveloper and ADF product of Oracle Fusion Middleware (component: ADF Faces). Supported versions that are affected are 11.1.1.9.0, 12.1.3.0.0 and 12.2.1.3.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle JDeveloper and ADF. Successful attacks of this vulnerability can result in takeover of Oracle JDeveloper and ADF. CVSS 3.0 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).
CVE-2019-17495 Critical 2019-10-10 No exploit published No public exploit A Cascading Style Sheets (CSS) injection vulnerability in Swagger UI before 3.23.11 allows attackers to use the Relative Path Overwrite (RPO) technique to perform CSS-based input field value exfiltration, such as exfiltration of a CSRF token value. In other words, this product intentionally allows the embedding of untrusted JSON data from remote servers, but it was not previously known that <style>@import within the JSON data was a functional attack method.
CVE-2019-12402 High 2019-08-30 No exploit published No public exploit The file name encoding algorithm used internally in Apache Commons Compress 1.15 to 1.18 can get into an infinite loop when faced with specially crafted inputs. This can lead to a denial of service attack if an attacker can choose the file names inside of an archive created by Compress.
CVE-2019-0221 Medium 2019-05-28 Mitigation candidate Working exploit published The SSI printenv command in Apache Tomcat 9.0.0.M1 to 9.0.0.17, 8.5.0 to 8.5.39 and 7.0.0 to 7.0.93 echoes user provided data without escaping and is, therefore, vulnerable to XSS. SSI is disabled by default. The printenv command is intended for debugging and is unlikely to be present in a production website.
CVE-2018-1000180 High 2018-06-05 No exploit published No public exploit Bouncy Castle BC 1.54 - 1.59, BC-FJA 1.0.0, BC-FJA 1.0.1 and earlier have a flaw in the Low-level interface to RSA key pair generator, specifically RSA Key Pairs generated in low-level API with added certainty may have less M-R tests than expected. This appears to be fixed in versions BC 1.60 beta 4 and later, BC-FJA 1.0.2 and later.
CVE-2017-12626 High 2018-01-29 No exploit published No public exploit Apache POI in versions prior to release 3.17 are vulnerable to Denial of Service Attacks: 1) Infinite Loops while parsing crafted WMF, EMF, MSG and macros (POI bugs 61338 and 61294), and 2) Out of Memory Exceptions while parsing crafted DOC, PPT and XLS (POI bugs 52372 and 61295).
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