Bug 1851910 (CVE-2020-19667)

Summary:	CVE-2020-19667 ImageMagick: Stack buffer overflow in XPM coder could result in a crash
Product:	[Other] Security Response	Reporter:	Michael Kaplan <mkaplan>
Component:	vulnerability	Assignee:	Nobody <nobody>
Status:	NEW ---	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	fedora, jhorak, mike, pahan
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	ImageMagick 6.9.11-7	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:		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:	1853993
Bug Blocks:	1850038

Description Michael Kaplan 2020-06-29 12:05:51 UTC

In ImageMagick 7.0.10-7, there is an stack-buffer-overflow at /coders/xpm.c:232 in ReadXPMImage

References:

https://github.com/ImageMagick/ImageMagick/issues/1895
https://imagemagick.org/script/changelog.php

PoC:

https://raw.githubusercontent.com/minghangshen/bug_poc/master/poc2/stack-buffer-over1

Comment 1 Huzaifa S. Sidhpurwala 2020-07-06 04:50:49 UTC

Upstream patch:
https://github.com/ImageMagick/ImageMagick6/commit/26538669546730c5b2dc36e7d48850f1f6928f94

Comment 2 Huzaifa S. Sidhpurwala 2020-07-06 04:57:13 UTC

While there is a request for CVE assignment https://github.com/ImageMagick/ImageMagick/issues/1895#issuecomment-618110351 seems like no public assignment has been made yet or the assignment has not been updated on the MITRE site.