Bug 1473185 (CVE-2017-10687)

Summary:	CVE-2017-10687 libsass: Heap buffer overf read in the json_mkstream() function
Product:	[Other] Security Response	Reporter:	Andrej Nemec <anemec>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	aurelien
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 03:17:08 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:	1473186, 1473187
Bug Blocks:

Description Andrej Nemec 2017-07-20 08:12:30 UTC

In LibSass, there is a heap-based buffer over-read in the function json_mkstream() in sass_context.cpp. A crafted input will lead to a denial of service attack.

Product bug:

https://bugzilla.redhat.com/show_bug.cgi?id=1466411

Comment 1 Andrej Nemec 2017-07-20 08:13:05 UTC

Created libsass tracking bugs for this issue:

Affects: epel-7 [bug 1473186]
Affects: fedora-all [bug 1473187]

Comment 2 Product Security DevOps Team 2019-06-08 03:17:08 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.