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Alerts This Week
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Gentoo: GLSA 201404-03 Normal: OptiPNG Code Execution Risk

gentoo
Calendar Grey April 8, 2014
Scroller Gentoo
Gentoo GLSA 202305-07 tackles a buffer overflow in ImageMagick which could result in unauthorized code execution and service disruption.
A use-after-free error in OptiPNG could result in execution of arbitrary code or Denial of Service.

Summary

A use-after-free vulnerability exists in the palette reduction functionality of OptiPNG.

Resolution

All OptiPNG users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=media-gfx/optipng-0.7.3"

References

[ 1 ] CVE-2012-4432 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-4432

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201404-03
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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: OptiPNG: User-assisted execution of arbitrary code
Date: April 07, 2014
Bugs: #435340
ID: 201404-03

Synopsis

A use-after-free error in OptiPNG could result in execution of arbitrary code or Denial of Service.

Background

OptiPNG is a PNG optimizer that recompresses image files to a smaller size, without losing any information.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 media-gfx/optipng < 0.7.3 >= 0.7.3

Impact

===== A remote attacker could entice a user to open a specially crafted image file, 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.