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RedHat: 2023:1904-1 Critical Update for OpenJDK TLS Vulnerability Alert

red hat
Calendar Grey April 25, 2023
Dist Redhat Esm H88
Critical patch for java-1.8.0-openjdk on RHEL tackles vulnerabilities and fixes bugs.
An update for java-1.8.0-openjdk is now available for Red Hat Enterprise Linux 7

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

All running instances of OpenJDK Java must be restarted for this update to take effect.

Summary

The java-1.8.0-openjdk packages provide the OpenJDK 8 Java Runtime Environment and the OpenJDK 8 Java Software Development Kit.
Security Fix(es):
* OpenJDK: improper connection handling during TLS handshake (8294474) (CVE-2023-21930)
* OpenJDK: Swing HTML parsing issue (8296832) (CVE-2023-21939)
* OpenJDK: incorrect enqueue of references in garbage collector (8298191) (CVE-2023-21954)
* OpenJDK: certificate validation issue in TLS session negotiation (8298310) (CVE-2023-21967)
* OpenJDK: missing string checks for NULL characters (8296622) (CVE-2023-21937)
* OpenJDK: incorrect handling of NULL characters in ProcessBuilder (8295304) (CVE-2023-21938)
* OpenJDK: missing check for slash characters in URI-to-path conversion (8298667) (CVE-2023-21968)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Bug Fix(es):
* Native code within the OpenJDK code base attempted to call close() on a file descriptor repeatedly if it returned the error code, EINTR. However, the close() native call is not restartable and this caused the virtual machine to crash. The close() call is now only made once. (RHBZ#2159458)

Topics%20covered

Topics Covered

security advisory bug fix important redhat tls java openjdk

References

https://access.redhat.com/security/cve/CVE-2023-21930 https://access.redhat.com/security/cve/CVE-2023-21937 https://access.redhat.com/security/cve/CVE-2023-21938 https://access.redhat.com/security/cve/CVE-2023-21939 https://access.redhat.com/security/cve/CVE-2023-21954 https://access.redhat.com/security/cve/CVE-2023-21967 https://access.redhat.com/security/cve/CVE-2023-21968 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux Client (v. 7):
Source: java-1.8.0-openjdk-1.8.0.372.b07-1.el7_9.src.rpm
x86_64: java-1.8.0-openjdk-1.8.0.372.b07-1.el7_9.i686.rpm java-1.8.0-openjdk-1.8.0.372.b07-1.el7_9.x86_64.rpm java-1.8.0-openjdk-debuginfo-1.8.0.372.b07-1.el7_9.i686.rpm java-1.8.0-openjdk-debuginfo-1.8.0.372.b07-1.el7_9.x86_64.rpm java-1.8.0-openjdk-headless-1.8.0.372.b07-1.el7_9.i686.rpm java-1.8.0-openjdk-headless-1.8.0.372.b07-1.el7_9.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
noarch: java-1.8.0-openjdk-javadoc-1.8.0.372.b07-1.el7_9.noarch.rpm java-1.8.0-openjdk-javadoc-zip-1.8.0.372.b07-1.el7_9.noarch.rpm
x86_64: java-1.8.0-openjdk-accessibility-1.8.0.372.b07-1.el7_9.i686.rpm java-1.8.0-openjdk-accessibility-1.8.0.372.b07-1.el7_9.x86_64.rpm java-1.8.0-openjdk-debuginfo-1.8.0.372.b07-1.el7_9.i686.rpm java-1.8.0-openjdk-debuginfo-1.8.0.372.b07-1.el7_9.x86_64.rpm java-1.8.0-openjdk-demo-1.8.0.372.b07-1.el7_9.i686.rpm java-1.8.0-openjdk-demo-1.8.0.372.b07-1.el7_9.x86_64.rpm java-1.8.0-openjdk-devel-1.8.0.372.b07-1.el7_9.i686.rpm java-1.8.0-openjdk-devel-1.8.0.372.b07-1.el7_9.x86_64.rpm java-1.8.0-openjdk-src-1.8.0.372.b07-1.el7_9.i686.rpm java-1.8.0-openjdk-src-1.8.0.372.b07-1.el7_9.x86_64.rpm
Red Hat Enterprise Linux ComputeNode (v. 7):
Source:

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2023:1904-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:1904
Issue date: 2023-04-25

Topic

An update for java-1.8.0-openjdk is now available for Red Hat EnterpriseLinux 7.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory bug fix important redhat tls java openjdk

Relevant Releases Architectures

Red Hat Enterprise Linux Client (v. 7) - x86_64

Red Hat Enterprise Linux Client Optional (v. 7) - noarch, x86_64

Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64

Red Hat Enterprise Linux ComputeNode Optional (v. 7) - noarch, x86_64

Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux Server Optional (v. 7) - noarch, ppc64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux Workstation (v. 7) - x86_64

Red Hat Enterprise Linux Workstation Optional (v. 7) - noarch, x86_64

Bugs Fixed

2159458 - Do not restart close if errno is EINTR [rhel-7.9.z]

2187435 - CVE-2023-21930 OpenJDK: improper connection handling during TLS handshake (8294474)

2187441 - CVE-2023-21954 OpenJDK: incorrect enqueue of references in garbage collector (8298191)

2187704 - CVE-2023-21967 OpenJDK: certificate validation issue in TLS session negotiation (8298310)

2187724 - CVE-2023-21939 OpenJDK: Swing HTML parsing issue (8296832)

2187758 - CVE-2023-21938 OpenJDK: incorrect handling of NULL characters in ProcessBuilder (8295304)

2187790 - CVE-2023-21937 OpenJDK: missing string checks for NULL characters (8296622)

2187802 - CVE-2023-21968 OpenJDK: missing check for slash characters in URI-to-path conversion (8298667)

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