Bug 1385690 (CVE-2016-8681)

Summary:	CVE-2016-8681 libdwarf: Heap based buffer overflow in _dwarf_get_abbrev_for_code
Product:	[Other] Security Response	Reporter:	Adam Mariš <amaris>
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:	2016-12-14 08:08:46 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:	1385692, 1385693
Bug Blocks:	1385691

Description Adam Mariš 2016-10-17 13:56:53 UTC

An out of bounds heap read vulnerability was found in _dwarf_get_abbrev_for_code triggered by invoking dwarfdump command on crafted file.

Upstream patches:

https://sourceforge.net/p/libdwarf/code/ci/2d14a7792889e33bc542c28d0f3792964c46214f/#diff-13
https://sourceforge.net/p/libdwarf/code/ci/efe48cad0693d6994d9a7b561e1c3833b073a624/#diff-2

CVE assignment:

http://seclists.org/oss-sec/2016/q4/146

Comment 1 Adam Mariš 2016-10-17 14:00:22 UTC

Created libdwarf tracking bugs for this issue:

Affects: fedora-all [bug 1385692]
Affects: epel-6 [bug 1385693]