Exploit/Advisories

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Gentoo Linux Security Advisory GLSA 202211-07
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https://security.gentoo.org/
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Severity: Normal
Title: sysstat: Arbitrary Code Execution
Date: November 22, 2022
Bugs: #880543
ID: 202211-07

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Synopsis
=======
An integer overflow vulnerability has been found in sysstat which could
result in arbitrary code execution.

Background
=========
sysstat is a package containing a number of performance monitoring
utilities for Linux, including sar, mpstat, iostat and sa tools.

Affected packages
================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 app-admin/sysstat < 12.7.1 >= 12.7.1

Description
==========
On 32 bit systems, an integer overflow can be triggered when displaying
activity data files.

Impact
=====
Arbitrary code execution can be achieved via sufficiently crafted
malicious input.

Workaround
=========
There is no known workaround at this time.

Resolution
=========
All sysstat users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=app-admin/sysstat-12.7.1"

References
=========
[ 1 ] CVE-2022-39377
https://nvd.nist.gov/vuln/detail/CVE-2022-39377

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

https://security.gentoo.org/glsa/202211-07

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 2022 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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