Bug 1445314 (CVE-2017-7960)

Summary:	CVE-2017-7960 libcroco: Out-of-bounds read due to missing index check in cr-input.c
Product:	[Other] Security Response	Reporter:	Andrej Nemec <anemec>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED WONTFIX	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	dodji, fmuellner, mclasen, otaylor, rhughes
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:	2017-04-25 13:22:10 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:	1445315, 1445316, 1910598
Bug Blocks:

Description Andrej Nemec 2017-04-25 13:21:15 UTC

The cr_input_new_from_uri function in cr-input.c in libcroco allows attackers to cause a denial of service (heap-based buffer over-read) via a crafted CSS file.

Upstream patch:

https://git.gnome.org/browse/libcroco/commit/?id=898e3a8c8c0314d2e6b106809a8e3e93cf9d4394

References:

https://blogs.gentoo.org/ago/2017/04/17/libcroco-heap-overflow-and-undefined-behavior/

Comment 1 Andrej Nemec 2017-04-25 13:21:45 UTC

Created libcroco tracking bugs for this issue:

Affects: fedora-all [bug 1445316]


Created mingw-libcroco tracking bugs for this issue:

Affects: fedora-all [bug 1445315]