Bug 1399990 (CVE-2016-9480)

Summary:	CVE-2016-9480 libdwarf: Heap buffer overflow in dwarf_util.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:	medium	Docs Contact:
Priority:	medium
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 09:54:28 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:	1385693, 1399992
Bug Blocks:	1394806

Description Andrej Nemec 2016-11-30 08:39:00 UTC

libdwarf allows context-dependent attackers to obtain sensitive information or cause a denial of service by using the "malformed dwarf file" approach, related to a "Heap Buffer Over-read" issue affecting the dwarf_util.c component.

References:

DW201611-006
https://www.prevanders.net/dwarfbug.html

Upstream bug (currently private):

https://sourceforge.net/p/libdwarf/bugs/5/

Upstream patch:

https://sourceforge.net/p/libdwarf/code/ci/5dd64de047cd5ec479fb11fe7ff2692fd819e5e5/

Comment 1 Andrej Nemec 2016-11-30 08:41:57 UTC

Created libdwarf tracking bugs for this issue:

Affects: fedora-all [bug 1399992]

Comment 2 Andrej Nemec 2016-11-30 08:44:21 UTC

Created libdwarf tracking bugs for this issue:

Affects: epel-6 [bug 1385693]