[ GLSA 201301-05 ] bzip2: User-assisted execution of arbitrary code

[GLSA]

Gentoo Linux Security Advisory

Title: bzip2: User-assisted execution of arbitrary code (GLSA 201301-05)
Severity: normal
Exploitable: local
Date: January 09, 2013
Bug(s): #338215
ID: 201301-05

Synopsis

An integer overflow vulnerability has been found in bzip2 and could
result in execution of arbitrary code or Denial of Service.


Background

bzip2 is a high-quality data compressor used extensively by Gentoo
Linux.


Affected Packages

Package: app-arch/bzip2
Vulnerable: < 1.0.6
Unaffected: >= 1.0.6
Architectures: All supported architectures


Description

An integer overflow vulnerability has been discovered in bzip2. Please
review the CVE identifier referenced below for details.


Impact

A remote attacker could entice a user to open a specially crafted
compressed file using bzip2, possibly resulting in execution of arbitrary
code with the privileges of the process, or a Denial of Service
condition.


Workaround

There is no known workaround at this time.

Resolution

All bzip2 users should upgrade to the latest version: