Bug 1488936 (CVE-2017-13739)

Summary:	CVE-2017-13739 liblouis: Heap-buffer overflow resulting in an out-of-bounds write in resolveSubtable() function
Product:	[Other] Security Response	Reporter:	Andrej Nemec <anemec>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	martin.gieseking, rmatos
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:	2017-09-18 13:53:41 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:	1488944
Bug Blocks:	1488949

Description Andrej Nemec 2017-09-06 13:32:59 UTC

There is a heap-based buffer overflow that causes a more than two thousand bytes out-of-bounds write in Liblouis 3.2.0, triggered in the function resolveSubtable() in compileTranslationTable.c. It will lead to denial of service or code execution.

Product bug:

https://bugzilla.redhat.com/show_bug.cgi?id=1484299

Comment 2 Andrej Nemec 2017-09-06 13:40:35 UTC

Created liblouis tracking bugs for this issue:

Affects: fedora-all [bug 1488944]