Bug 1399689 (CVE-2016-9432)

Summary:	CVE-2016-9432 w3m: Segmentation fault due to bcopy with negative size
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:	eng-i18n-bugs, i18n-bugs, pnemade
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:	2017-03-17 07:49:47 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:	1401423, 1401424
Bug Blocks:	1399744

Description Andrej Nemec 2016-11-29 15:00:31 UTC

A segmentation fault will occur in w3m while parsing maliciously crafted input.

Upstream bug:

https://github.com/tats/w3m/issues/13

Upstream fixes:

https://github.com/tats/w3m/commit/807e8b7fbffca6dcaf5db40e35f05d05c5cf02d3
https://github.com/tats/w3m/commit/7b88478227978a8d673b4dd0e05eee410cc33330

References:

http://seclists.org/oss-sec/2016/q4/321

Comment 1 Huzaifa S. Sidhpurwala 2016-12-05 08:52:10 UTC

Created w3m tracking bugs for this issue:

Affects: fedora-all [bug 1401423]
Affects: epel-7 [bug 1401424]