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Gentoo: GLSA-201301-05 Normal: Bzip2 Integer Overflow Code Execution

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Calendar Grey January 9, 2013
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Gentoo: GLSA-202304-12 warns about the potential integer underflow in libpng that might cause denial of service or arbitrary code execution.
An integer overflow vulnerability has been found in bzip2 and could result in execution of arbitrary code or Denial of Service.

Summary

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

Topics%20covered

Topics Covered

security advisory Gentoo Denial of Service normal severity bzip2 executive code

Resolution

All bzip2 users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=app-arch/bzip2-1.0.6"

References

[ 1 ] CVE-2010-0405 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-0405

Availability

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

Severity: Normal
Title: bzip2: User-assisted execution of arbitrary code
Date: January 09, 2013
Bugs: #338215
ID: 201301-05

Topics%20covered

Topics Covered

security advisory Gentoo Denial of Service normal severity bzip2 executive code

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.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 app-arch/bzip2 < 1.0.6 >= 1.0.6

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.