Bug 1533568 (CVE-2018-5248)

Summary:	CVE-2018-5248 ImageMagick: Heap-based buffer over-read in the ReadSIXELImage function in coders/sixel.c
Product:	[Other] Security Response	Reporter:	Laura Pardo <lpardo>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	jhorak, mike, pahan
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 03:36:43 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:	1533569
Bug Blocks:

Description Laura Pardo 2018-01-11 16:31:58 UTC

A flaw was found in ImageMagick 7.0.7-17 Q16, there is a heap-based buffer over-read in the ReadSIXELImage function in coders/sixel.c, related to the sixel_decode function.

[UPSTREAM BUG]
https://github.com/ImageMagick/ImageMagick/issues/927

[UPSTREAM PATCH]
https://github.com/ImageMagick/ImageMagick/commit/c76434c16b5ac8861ee0c5d5c3ab8974fae3d624

Comment 1 Laura Pardo 2018-01-11 16:32:19 UTC

Created ImageMagick tracking bugs for this issue:

Affects: fedora-all [bug 1533569]

Comment 2 Tomas Hoger 2020-03-25 09:13:26 UTC

According to upstream changelog, the support for sixel coder was added in version 6.8.9-9.