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CVE-2013-6630

Published: 18 November 2013

The get_dht function in jdmarker.c in libjpeg-turbo through 1.3.0, as used in Google Chrome before 31.0.1650.48 and other products, does not set all elements of a certain Huffman value array during the reading of segments that follow Define Huffman Table (DHT) JPEG markers, which allows remote attackers to obtain sensitive information from uninitialized memory locations via a crafted JPEG image.

Notes

AuthorNote
seth-arnold
The fix is to initialize huffval[].
mdeslaur
Although original report seems to indicate libjpeg6b isn't
affected, that particular code is identical.

Priority

Medium

Status

Package Release Status
firefox
Launchpad, Ubuntu, Debian
lucid Ignored
(end of life)
precise
Released (26.0+build2-0ubuntu0.12.04.2)
quantal
Released (26.0+build2-0ubuntu0.12.10.2)
raring
Released (26.0+build2-0ubuntu0.13.04.2)
saucy
Released (26.0+build2-0ubuntu0.13.10.2)
upstream
Released (26.0)
libjpeg-turbo
Launchpad, Ubuntu, Debian
lucid Does not exist

precise
Released (1.1.90+svn733-0ubuntu4.3)
quantal
Released (1.2.1-0ubuntu2.12.10.1)
raring
Released (1.2.1-0ubuntu2.13.04.1)
saucy
Released (1.3.0-0ubuntu1.1)
upstream Needed

Patches:
vendor: http://src.chromium.org/viewvc/chrome/trunk/deps/third_party/libjpeg_turbo/jdmarker.c?r1=228381&r2=228394&pathrev=228394
vendor: http://git.chromium.org/gitweb/?p=chromium/deps/libjpeg_turbo.git;a=commit;h=32cab49bd4cb1ce069a435fd75f9439c34ddc6f8
libjpeg6b
Launchpad, Ubuntu, Debian
lucid
Released (6b-15ubuntu1.1)
precise
Released (6b1-2ubuntu1.1)
quantal
Released (6b1-2ubuntu2.1)
raring
Released (6b1-3ubuntu1.13.04.1)
saucy
Released (6b1-3ubuntu1.13.10.1)
upstream
Released (6b1-4)
thunderbird
Launchpad, Ubuntu, Debian
lucid Ignored
(end of life)
precise
Released (1:24.2.0+build1-0ubuntu0.12.04.1)
quantal
Released (1:24.2.0+build1-0ubuntu0.12.10.1)
raring
Released (1:24.2.0+build1-0ubuntu0.13.04.1)
saucy
Released (1:24.2.0+build1-0ubuntu0.13.10.1)
upstream
Released (24.2.0)