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Red Hat 8 RHSA-2023-4103-01 Critical: Java TLS Security Issues

red hat
Calendar Grey July 17, 2023
Dist Redhat Esm H88
The latest security release from Red Hat for Java ensures enterprise-level systems are fortified against severe vulnerabilities while enhancing overall system reliability.
An update for java-1.8.0-ibm is now available for Red Hat Enterprise Linux 8

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 IBM Java must be restarted for this update to take effect.

Summary

IBM Java SE version 8 includes the IBM Java Runtime Environment and the IBM Java Software Development Kit.
This update upgrades IBM Java SE 8 to version 8 SR8-FP5.
Security Fix(es):
* OpenJDK: improper connection handling during TLS handshake (8294474) (CVE-2023-21930)
* OpenJDK: Swing HTML parsing issue (8296832) (CVE-2023-21939)
* 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.

Topics%20covered

Topics Covered

security advisory security update red hat security fix important TLS java

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-2023-21967 https://access.redhat.com/security/cve/CVE-2023-21968 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux Supplementary (v. 8):
ppc64le: java-1.8.0-ibm-1.8.0.8.5-1.el8_8.ppc64le.rpm java-1.8.0-ibm-demo-1.8.0.8.5-1.el8_8.ppc64le.rpm java-1.8.0-ibm-devel-1.8.0.8.5-1.el8_8.ppc64le.rpm java-1.8.0-ibm-headless-1.8.0.8.5-1.el8_8.ppc64le.rpm java-1.8.0-ibm-jdbc-1.8.0.8.5-1.el8_8.ppc64le.rpm java-1.8.0-ibm-plugin-1.8.0.8.5-1.el8_8.ppc64le.rpm java-1.8.0-ibm-src-1.8.0.8.5-1.el8_8.ppc64le.rpm java-1.8.0-ibm-webstart-1.8.0.8.5-1.el8_8.ppc64le.rpm
s390x: java-1.8.0-ibm-1.8.0.8.5-1.el8_8.s390x.rpm java-1.8.0-ibm-demo-1.8.0.8.5-1.el8_8.s390x.rpm java-1.8.0-ibm-devel-1.8.0.8.5-1.el8_8.s390x.rpm java-1.8.0-ibm-headless-1.8.0.8.5-1.el8_8.s390x.rpm java-1.8.0-ibm-jdbc-1.8.0.8.5-1.el8_8.s390x.rpm java-1.8.0-ibm-src-1.8.0.8.5-1.el8_8.s390x.rpm
x86_64: java-1.8.0-ibm-1.8.0.8.5-1.el8_8.x86_64.rpm java-1.8.0-ibm-demo-1.8.0.8.5-1.el8_8.x86_64.rpm java-1.8.0-ibm-devel-1.8.0.8.5-1.el8_8.x86_64.rpm java-1.8.0-ibm-headless-1.8.0.8.5-1.el8_8.x86_64.rpm java-1.8.0-ibm-jdbc-1.8.0.8.5-1.el8_8.x86_64.rpm java-1.8.0-ibm-plugin-1.8.0.8.5-1.el8_8.x86_64.rpm java-1.8.0-ibm-src-1.8.0.8.5-1.el8_8.x86_64.rpm java-1.8.0-ibm-webstart-1.8.0.8.5-1.el8_8.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2023:4103-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:4103
Issue date: 2023-07-17

Topic

An update for java-1.8.0-ibm is now available for Red Hat Enterprise Linux8.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 security update red hat security fix important TLS java

Relevant Releases Architectures

Red Hat Enterprise Linux Supplementary (v. 8) - ppc64le, s390x, x86_64

Bugs Fixed

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

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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