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Gentoo GLSA 201101-01 Normal: gif2png Stack Overflow Attack

gentoo
Calendar Grey January 5, 2011
Dist Gentoo Esm H88
Gentoo issued a security advisory for gif2png, highlighting critical stack overflow vulnerabilities. Users must update to the latest version to safeguard against exploits.
gif2png contains a stack overflow vulnerability when parsing command line arguments.

Summary

gif2png contains a command line parsing vulnerability that may result in a stack overflow due to an unexpectedly long input filename.

Topics%20covered

Topics Covered

security advisory Gentoo stack overflow normal user-assisted execution gif2png

Resolution

All gif2png users should upgrade to the latest stable version: # emerge --sync # emerge --ask --oneshot --verbose ">=media-gfx/gif2png-2.5.1-r1"

References

[ 1 ] CVE-2009-5018 https://www.cve.org/CVERecord?id=CVE-2009-5018

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201101-01
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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: gif2png: User-assisted execution of arbitrary code
Date: January 05, 2011
Bugs: #346501
ID: 201101-01

Topics%20covered

Topics Covered

security advisory Gentoo stack overflow normal user-assisted execution gif2png

Synopsis

gif2png contains a stack overflow vulnerability when parsing command line arguments.

Background

gif2png is a command line program that converts image files from the Graphics Interchange Format (GIF) format to the Portable Network Graphics (PNG) format.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 media-gfx/gif2png < 2.5.1-r1 >= 2.5.1-r1

Impact

===== A remote attacker could entice a user to open a specially crafted image, possibly resulting in the execution of arbitrary code with the privileges of the user running the application, or a Denial of Service. Note that applications relying on gif2png to process images can also trigger the vulnerability.

Workaround

There is no known workaround at this time.

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