Linux Audit: Buffer overflow

1. Gentoo Linux Security Advisory

Advisory Reference	GLSA 200807-14 / audit
Release Date	July 31, 2008
Latest Revision	July 31, 2008: 01
Impact	normal
Exploitable	local

Package	Vulnerable versions	Unaffected versions	Architecture(s)
sys-process/audit	< 1.7.3	>= 1.7.3	All supported architectures

Related bugreports: #215705

Synopsis

A buffer overflow vulnerability in Linux Audit may allow local attackers to execute arbitrary code.

2. Impact Information

Background

Linux Audit is a set of userspace utilities for storing and processing auditing records.

Description

A stack-based buffer overflow has been reported in the audit_log_user_command() function in the file lib/audit_logging.c when processing overly long arguments.

Impact

A local attacker could execute a specially crafted command on the host running Linux Audit, possibly resulting in the execution of arbitrary code with the privileges of the user running Linux Audit.

3. Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All Linux Audit users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=sys-process/audit-1.7.3"

4. References

CVE-2008-1628

Page updated July 31, 2008

Summary: This is a Gentoo Linux Security Advisory

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