Bug 1398176 (CVE-2016-9558)

Summary:	CVE-2016-9558 libdwarf: Negation overflow in dwarf_leb.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:	dkholia, fche, orion
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:	2016-12-15 07:33:48 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:	1399992
Bug Blocks:	1394806

Description Andrej Nemec 2016-11-24 09:30:42 UTC

A negation overflow vulnerability was found in dwarf_leb.c triggered by crafted input to dwarfdump utility.

Upstream patch:

https://sourceforge.net/p/libdwarf/code/ci/4f19e1050cd8e9ddf2cb6caa061ff2fec4c9b5f9/#diff-5

References:

http://seclists.org/oss-sec/2016/q4/471

Comment 1 Andrej Nemec 2016-11-30 08:42:03 UTC

Created libdwarf tracking bugs for this issue:

Affects: fedora-all [bug 1399992]