Bug 1472214 (CVE-2017-11403)

Summary:	CVE-2017-11403 GraphicsMagick: Use-after-free in CloseBlob
Product:	[Other] Security Response	Reporter:	Adam Mariš <amaris>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	andreas, rdieter
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 03:16:46 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:	1472216, 1472217
Bug Blocks:

Description Adam Mariš 2017-07-18 09:21:48 UTC

The ReadMNGImage function in coders/png.c in GraphicsMagick 1.3.26 has
an out-of-order CloseBlob call, resulting in a use-after-free via a
crafted file.

Upstream patch:

http://hg.code.sf.net/p/graphicsmagick/code/rev/d0a76868ca37

Reproducer:

https://github.com/asarubbo/poc/blob/master/00301-graphicsmagick-UAF-CloseBlob

Reference:

https://blogs.gentoo.org/ago/2017/07/12/graphicsmagick-use-after-free-in-closeblob-blob-c/

Comment 1 Adam Mariš 2017-07-18 09:23:16 UTC

Created GraphicsMagick tracking bugs for this issue:

Affects: epel-all [bug 1472217]
Affects: fedora-all [bug 1472216]

Comment 2 Product Security DevOps Team 2019-06-08 03:16:46 UTC

This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.