Bug 1474845 (CVE-2017-11523)

Summary:	CVE-2017-11523 ImageMagick: Endless loop in ReadTXTImage function in coders/txt.c
Product:	[Other] Security Response	Reporter:	Pedro Sampaio <psampaio>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED WONTFIX	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	abhgupta, ethan, jhorak, nmurray, pahan, tiwillia
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2019-06-08 03:17:59 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	1474846
Bug Blocks:

Description Pedro Sampaio 2017-07-25 13:42:35 UTC

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 13:43:36 UTC

Created ImageMagick tracking bugs for this issue:

Affects: fedora-all [bug 1474846]