A java-1.8.0-ibm security update has been released for Red Hat Enterprise Linux 8.

[RHSA-2023:4103-01] Important: java-1.8.0-ibm security update

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Red Hat Security Advisory

Synopsis: Important: java-1.8.0-ibm security update
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
CVE Names: CVE-2023-21930 CVE-2023-21937 CVE-2023-21938
CVE-2023-21939 CVE-2023-21967 CVE-2023-21968
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1. Summary:

An update for java-1.8.0-ibm is now available for Red Hat Enterprise Linux
8.

Red Hat Product Security has rated this update as having a security impact
of Important. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available for each vulnerability
from the CVE link(s) in the References section.

2. Relevant releases/architectures:

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

3. Description:

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.

4. 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.

5. Bugs fixed ( https://bugzilla.redhat.com/):

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)

6. 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
https://access.redhat.com/security/team/key/

7. 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

8. Contact:

The Red Hat security contact is [secalert@redhat.com]. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2023 Red Hat, Inc.

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