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Gentoo Linux Security Advisory GLSA 202408-28
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https://security.gentoo.org/
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Severity: Normal
Title: rsyslog: Heap Buffer Overflow
Date: August 11, 2024
Bugs: #842846
ID: 202408-28

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Synopsis
========

A vulnerability has been discovered in rsyslog, which could possibly
lead to remote code execution.

Background
==========

rsyslog is an enhanced multi-threaded syslogd with database support and
more.

Affected packages
=================

Package Vulnerable Unaffected
----------------- ------------ ------------
app-admin/rsyslog < 8.2206.0 >= 8.2206.0

Description
===========

Multiple vulnerabilities have been discovered in rsyslog. Please review
the CVE identifiers referenced below for details.

Impact
======

Modules for TCP syslog reception have a heap buffer overflow when octet- counted framing is used. The attacker can corrupt heap values, leading
to data integrity issues and availability impact. Remote code execution
is unlikely to happen but not impossible.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All rsyslog users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=app-admin/rsyslog-8.2206.0"

References
==========

[ 1 ] CVE-2022-24903
https://nvd.nist.gov/vuln/detail/CVE-2022-24903

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

https://security.gentoo.org/glsa/202408-28

Concerns?
=========

Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users' machines is of utmost
importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.

License
=======

Copyright 2024 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

https://creativecommons.org/licenses/by-sa/2.5
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