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Red Hat 9 RHSA-2022-7090-01 Critical: Libksba Remote Code Execution Risk

red hat
Calendar Grey October 24, 2022
Dist Redhat Esm H88
Ubuntu has released a critical patch for libksba that fixes an integer overflow vulnerability which may lead to remote code execution.
An update for libksba 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

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 may lead to remote code execution (CVE-2022-3515)
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 Red Hat remote code execution important integer overflow libksba

References

https://access.redhat.com/security/cve/CVE-2022-3515 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux BaseOS (v. 9):
Source: libksba-1.5.1-5.el9_0.src.rpm
aarch64: libksba-1.5.1-5.el9_0.aarch64.rpm libksba-debuginfo-1.5.1-5.el9_0.aarch64.rpm libksba-debugsource-1.5.1-5.el9_0.aarch64.rpm
ppc64le: libksba-1.5.1-5.el9_0.ppc64le.rpm libksba-debuginfo-1.5.1-5.el9_0.ppc64le.rpm libksba-debugsource-1.5.1-5.el9_0.ppc64le.rpm
s390x: libksba-1.5.1-5.el9_0.s390x.rpm libksba-debuginfo-1.5.1-5.el9_0.s390x.rpm libksba-debugsource-1.5.1-5.el9_0.s390x.rpm
x86_64: libksba-1.5.1-5.el9_0.i686.rpm libksba-1.5.1-5.el9_0.x86_64.rpm libksba-debuginfo-1.5.1-5.el9_0.i686.rpm libksba-debuginfo-1.5.1-5.el9_0.x86_64.rpm libksba-debugsource-1.5.1-5.el9_0.i686.rpm libksba-debugsource-1.5.1-5.el9_0.x86_64.rpm
Red Hat CodeReady Linux Builder (v. 9):
aarch64: libksba-debuginfo-1.5.1-5.el9_0.aarch64.rpm libksba-debugsource-1.5.1-5.el9_0.aarch64.rpm libksba-devel-1.5.1-5.el9_0.aarch64.rpm
ppc64le: libksba-debuginfo-1.5.1-5.el9_0.ppc64le.rpm libksba-debugsource-1.5.1-5.el9_0.ppc64le.rpm libksba-devel-1.5.1-5.el9_0.ppc64le.rpm
s390x: libksba-debuginfo-1.5.1-5.el9_0.s390x.rpm libksba-debugsource-1.5.1-5.el9_0.s390x.rpm libksba-devel-1.5.1-5.el9_0.s390x.rpm
x86_64: libksba-debuginfo-1.5.1-5.el9_0.i686.rpm libksba-debuginfo-1.5.1-5.el9_0.x86_64.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2022:7090-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:7090
Issue date: 2022-10-24

Topic

An update for libksba is now available for Red Hat Enterprise Linux 9.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 Red Hat remote code execution important integer overflow libksba

Relevant Releases Architectures

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

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

Bugs Fixed

2135610 - CVE-2022-3515 libksba: integer overflow may lead to remote code execution

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