Bug 1539157 (CVE-2018-6196)

Summary:	CVE-2018-6196 w3m: Infinite recursion in HTMLlineproc0
Product:	[Other] Security Response	Reporter:	Pedro Sampaio <psampaio>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED NEXTRELEASE	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	eng-i18n-bugs, pnemade, redhat-bugzilla
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	w3m 0.5.3+git20180125	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2018-06-24 08:52:38 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:	1539158, 1539159, 1539160
Bug Blocks:

Description Pedro Sampaio 2018-01-26 19:34:54 UTC

w3m through 0.5.3 is prone to an infinite recursion flaw in HTMLlineproc0 because the feed_table_block_tag function in table.c does not prevent a negative indent value.

Upstream bug:

https://github.com/tats/w3m/issues/88

Upstream patch:

https://github.com/tats/w3m/commit/8354763b90490d4105695df52674d0fcef823e92

Comment 1 Pedro Sampaio 2018-01-26 19:36:06 UTC

Created w3m tracking bugs for this issue:

Affects: epel-7 [bug 1539160]
Affects: fedora-all [bug 1539159]

Comment 3 Parag Nemade 2018-06-24 08:52:38 UTC

Fixed for all the requested releases.