Bug 1474845 - (CVE-2017-11523) CVE-2017-11523 ImageMagick: Endless loop in ReadTXTImage function in coders/txt.c
CVE-2017-11523 ImageMagick: Endless loop in ReadTXTImage function in coders/t...
Status: NEW
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
low Severity low
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Assigned To: Red Hat Product Security
impact=low,public=20170721,reported=2...
: Security
Depends On: 1474846
Blocks:
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Reported: 2017-07-25 09:42 EDT by Pedro Sampaio
Modified: 2017-07-25 09:44 EDT (History)
7 users (show)

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Description Pedro Sampaio 2017-07-25 09:42:35 EDT
The ReadTXTImage function in coders/txt.c in ImageMagick through 6.9.9-0 and 7.x through 7.0.6-1 allows remote attackers to cause a denial of service (infinite loop) via a crafted file, because the end-of-file condition is not considered.

Upstream bug:

https://github.com/ImageMagick/ImageMagick/issues/591

Upstream patch:

https://github.com/ImageMagick/ImageMagick/commit/83e0f8ffd7eeb7661b0ff83257da23d24ca7f078
https://github.com/ImageMagick/ImageMagick/commit/a8f9c2aabed37cd6a728532d1aed13ae0f3dfd78

References:

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=869210
Comment 1 Pedro Sampaio 2017-07-25 09:43:36 EDT
Created ImageMagick tracking bugs for this issue:

Affects: fedora-all [bug 1474846]

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