GLSA 202007-22: sysstat: Arbitrary code execution

http://security.gentoo.org/

Severity:	normal
Title:	sysstat: Arbitrary code execution
Date:	07/27/2020
Bugs:	#706206
ID:	202007-22

Synopsis

A use-after-free in sysstat was discovered which may allow 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	Architecture(s)
app-admin/sysstat	< 12.2.1	>= 12.2.1	All supported architectures

Description

A double-free in sysstat’s check_file_actlst() function was discovered.

Impact

A local attacker could possibly execute arbitrary code with the privileges of the process or cause a Denial of Service condition.

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-12.2.1"

References

CVE-2019-19725

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-202007-22.xml

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.