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Red Hat Enterprise Linux 9: RHSA-2023-0202-01 Moderate DoS Attack

red hat
Calendar Grey January 18, 2023
Dist Redhat Esm H88
Red Hat has issued a security update for java-11-openjdk to address vulnerabilities, especially those related to Denial of Service (DoS) attacks
An update for java-11-openjdk is now available for Red Hat Enterprise Linux 9

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-11-openjdk packages provide the OpenJDK 11 Java Runtime Environment and the OpenJDK 11 Java Software Development Kit.
Security Fix(es):
* OpenJDK: handshake DoS attack against DTLS connections (JSSE, 8287411) (CVE-2023-21835)
* OpenJDK: soundbank URL remote loading (Sound, 8293742) (CVE-2023-21843)
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):
* Prepare for the next quarterly OpenJDK upstream release (2023-01, 11.0.18) [rhel-9] (BZ#2157798)

Topics%20covered

Topics Covered

security advisory Red Hat Enterprise Linux DoS Attack Java Update OpenJDK Remote Loading

References

https://access.redhat.com/security/cve/CVE-2023-21835 https://access.redhat.com/security/cve/CVE-2023-21843 https://access.redhat.com/security/updates/classification/#moderate

Package List

Red Hat Enterprise Linux AppStream (v. 9):
Source: java-11-openjdk-11.0.18.0.10-2.el9_1.src.rpm
aarch64: java-11-openjdk-11.0.18.0.10-2.el9_1.aarch64.rpm java-11-openjdk-debuginfo-11.0.18.0.10-2.el9_1.aarch64.rpm java-11-openjdk-debugsource-11.0.18.0.10-2.el9_1.aarch64.rpm java-11-openjdk-demo-11.0.18.0.10-2.el9_1.aarch64.rpm java-11-openjdk-devel-11.0.18.0.10-2.el9_1.aarch64.rpm java-11-openjdk-devel-debuginfo-11.0.18.0.10-2.el9_1.aarch64.rpm java-11-openjdk-headless-11.0.18.0.10-2.el9_1.aarch64.rpm java-11-openjdk-headless-debuginfo-11.0.18.0.10-2.el9_1.aarch64.rpm java-11-openjdk-javadoc-11.0.18.0.10-2.el9_1.aarch64.rpm java-11-openjdk-javadoc-zip-11.0.18.0.10-2.el9_1.aarch64.rpm java-11-openjdk-jmods-11.0.18.0.10-2.el9_1.aarch64.rpm java-11-openjdk-src-11.0.18.0.10-2.el9_1.aarch64.rpm java-11-openjdk-static-libs-11.0.18.0.10-2.el9_1.aarch64.rpm
ppc64le: java-11-openjdk-11.0.18.0.10-2.el9_1.ppc64le.rpm java-11-openjdk-debuginfo-11.0.18.0.10-2.el9_1.ppc64le.rpm java-11-openjdk-debugsource-11.0.18.0.10-2.el9_1.ppc64le.rpm java-11-openjdk-demo-11.0.18.0.10-2.el9_1.ppc64le.rpm java-11-openjdk-devel-11.0.18.0.10-2.el9_1.ppc64le.rpm java-11-openjdk-devel-debuginfo-11.0.18.0.10-2.el9_1.ppc64le.rpm java-11-openjdk-headless-11.0.18.0.10-2.el9_1.ppc64le.rpm

Read the Full Advisory


Advisory ID: RHSA-2023:0202-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:0202
Issue date: 2023-01-18

Topic

An update for java-11-openjdk is now available for Red Hat Enterprise Linux9.Red Hat Product Security has rated this update as having a security impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory Red Hat Enterprise Linux DoS Attack Java Update OpenJDK Remote Loading

Relevant Releases Architectures

Red Hat CodeReady Linux Builder (v. 9) - aarch64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux AppStream (v. 9) - aarch64, ppc64le, s390x, x86_64

Bugs Fixed

2157798 - Prepare for the next quarterly OpenJDK upstream release (2023-01, 11.0.18) [rhel-9] [rhel-9.1.0.z]

2160421 - CVE-2023-21835 OpenJDK: handshake DoS attack against DTLS connections (JSSE, 8287411)

2160475 - CVE-2023-21843 OpenJDK: soundbank URL remote loading (Sound, 8293742)

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