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RHEL 8: RHSA-2023-0625-01 Critical: Libksba Integer Overflow Fix

red hat
Calendar Grey February 7, 2023
Dist Redhat Esm H88
A significant patch for libksba addresses buffer overflow vulnerabilities within the Gentoo Linux environment, improving its security robustness.
An update for libksba 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

Summary

KSBA (pronounced Kasbah) is a library to make X.509 certificates as well as the CMS easily accessible by other applications. Both specifications are building blocks of S/MIME and TLS.
Security Fix(es):
* libksba: integer overflow to code executiona (CVE-2022-47629)
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.

References

https://access.redhat.com/security/cve/CVE-2022-47629 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Enterprise Linux BaseOS (v. 8):
Source: libksba-1.3.5-9.el8_7.src.rpm
aarch64: libksba-1.3.5-9.el8_7.aarch64.rpm libksba-debuginfo-1.3.5-9.el8_7.aarch64.rpm libksba-debugsource-1.3.5-9.el8_7.aarch64.rpm
ppc64le: libksba-1.3.5-9.el8_7.ppc64le.rpm libksba-debuginfo-1.3.5-9.el8_7.ppc64le.rpm libksba-debugsource-1.3.5-9.el8_7.ppc64le.rpm
s390x: libksba-1.3.5-9.el8_7.s390x.rpm libksba-debuginfo-1.3.5-9.el8_7.s390x.rpm libksba-debugsource-1.3.5-9.el8_7.s390x.rpm
x86_64: libksba-1.3.5-9.el8_7.i686.rpm libksba-1.3.5-9.el8_7.x86_64.rpm libksba-debuginfo-1.3.5-9.el8_7.i686.rpm libksba-debuginfo-1.3.5-9.el8_7.x86_64.rpm libksba-debugsource-1.3.5-9.el8_7.i686.rpm libksba-debugsource-1.3.5-9.el8_7.x86_64.rpm
Red Hat CodeReady Linux Builder (v. 8):
aarch64: libksba-debuginfo-1.3.5-9.el8_7.aarch64.rpm libksba-debugsource-1.3.5-9.el8_7.aarch64.rpm libksba-devel-1.3.5-9.el8_7.aarch64.rpm
ppc64le: libksba-debuginfo-1.3.5-9.el8_7.ppc64le.rpm libksba-debugsource-1.3.5-9.el8_7.ppc64le.rpm libksba-devel-1.3.5-9.el8_7.ppc64le.rpm
s390x: libksba-debuginfo-1.3.5-9.el8_7.s390x.rpm libksba-debugsource-1.3.5-9.el8_7.s390x.rpm libksba-devel-1.3.5-9.el8_7.s390x.rpm
x86_64: libksba-debuginfo-1.3.5-9.el8_7.i686.rpm libksba-debuginfo-1.3.5-9.el8_7.x86_64.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2023:0625-01
Product: Red Hat Enterprise Linux
Issue date: 2023-02-07

Topic

An update for libksba is now available for Red Hat Enterprise Linux 8.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.

Relevant Releases Architectures

Red Hat CodeReady Linux Builder (v. 8) - aarch64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux BaseOS (v. 8) - aarch64, ppc64le, s390x, x86_64

Bugs Fixed

2161571 - CVE-2022-47629 libksba: integer overflow to code execution

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