Gentoo: GLSA 202301-08 Urgent: zlib Buffer Overflow Risk
gentoo
September 26, 2012
A vulnerability in libjpeg-turbo could result in execution of arbitrary code or Denial of Service.
Summary
A vulnerability in the get_sos() function in jdmarker.c could cause a heap-based buffer overflow.
Resolution
All libjpeg-turbo users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=media-libs/libjpeg-turbo-1.2.1"
Packages which depend on this library may need to be recompiled. Tools such as revdep-rebuild may assist in identifying some of these packages.
Packages which depend on this library may need to be recompiled. Tools such as revdep-rebuild may assist in identifying some of these packages.
References
[ 1 ] CVE-2012-2806 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-2806
Availability
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/201209-13
style>.gentoo_availability{display:block;}
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.
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Severity: Normal
Title: libjpeg-turbo: User-assisted execution of arbitrary code
Date: September 26, 2012
Bugs: #426938
ID: 201209-13
Background
libjpeg-turbo accelerates JPEG compression and decompression.
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Affected Packages
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 media-libs/libjpeg-turbo
< 1.2.1 >= 1.2.1
Impact
=====
A remote attacker could entice a user to open a specially crafted JPEG
file in an application linked against libjpeg-turbo, possibly resulting
in the remote execution of arbitrary code with the permissions of the
user running the application, or Denial of Service.
Workaround
There is no known workaround at this time.
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