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

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

Affected Packages

app-arch/bzip2 on all architectures
Affected versions < 1.0.6
Unaffected versions >= 1.0.6

Background

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

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:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=app-arch/bzip2-1.0.6"
 

References

Release Date
January 09, 2013

Latest Revision
January 09, 2013: 1

Severity
normal

Exploitable
local

Bugzilla entries