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Red Hat: RHSA-2021-2780 Critical: OpenJDK 11.0.12 Networking Threat

red hat
Calendar Grey July 22, 2021
Dist Redhat Esm H88
Canonical announces a significant security patch for OpenJDK 11.0.12 on embedded Linux platforms, resolving various vulnerabilities.
The Red Hat Build of OpenJDK 11 (java-11-openjdk) is now available for portable Linux

Solution

Before applying this update, make sure all previously released errata relevant to your system have been applied.

For details on how to apply this update, refer to:

d_using_openjdk_11_on_rhel/installing-openjdk11-on-rhel8#installing-jdk11-o n-rhel-using-archive

Summary

The OpenJDK 11 packages provide the OpenJDK 11 Java Runtime Environment and the OpenJDK 11 Java Software Development Kit.
This release of the Red Hat build of OpenJDK 11 (11.0.12) for portable Linux serves as a replacement for the Red Hat build of OpenJDK 11 (11.0.11) and includes security and bug fixes, and enhancements. For further information, refer to the release notes linked to in the References section.
Security Fix(es):
* OpenJDK: FTP PASV command response can cause FtpClient to connect to arbitrary host (Networking, 8258432) (CVE-2021-2341)
* OpenJDK: Incorrect verification of JAR files with multiple MANIFEST.MF files (Library, 8260967) (CVE-2021-2369)
* OpenJDK: Incorrect comparison during range check elimination (Hotspot, 8264066) (CVE-2021-2388)
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 important networking linux java openjdk

References

https://access.redhat.com/security/cve/CVE-2021-2341 https://access.redhat.com/security/cve/CVE-2021-2369 https://access.redhat.com/security/cve/CVE-2021-2388 https://access.redhat.com/security/updates/classification/#important

Package List


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2021:2780-01
Product: OpenJDK
Advisory URL: https://access.redhat.com/errata/RHSA-2021:2780
Issue date: 2021-07-22
Keywords: openjdk,linux

Topic

The Red Hat Build of OpenJDK 11 (java-11-openjdk) is now available forportable Linux.Red Hat Product Security has rated this update as having a security impactof Imporant. 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 important networking linux java openjdk

Relevant Releases Architectures

Bugs Fixed

1982874 - CVE-2021-2341 OpenJDK: FTP PASV command response can cause FtpClient to connect to arbitrary host (Networking, 8258432)

1982879 - CVE-2021-2369 OpenJDK: Incorrect verification of JAR files with multiple MANIFEST.MF files (Library, 8260967)

1983075 - CVE-2021-2388 OpenJDK: Incorrect comparison during range check elimination (Hotspot, 8264066)

5. JIRA issues fixed (https://redhat.atlassian.net/jira/projects):

OPENJDK-422 - Linux: JDK: Oracle CPU 2021-07 [Portable Linux] [openjdk-11]

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