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

Severity:normal
Title:bzip2: User-assisted execution of arbitrary code
Date:01/09/2013
Bugs: #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 Vulnerable Unaffected Architecture(s)
app-arch/bzip2 < 1.0.6 >= 1.0.6 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:

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

References

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201301-05.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.

License

Copyright 2010 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.

Thank you!