Bug 2126270 (CVE-2022-38223)

Summary:	CVE-2022-38223 w3m: an out-of-bounds write in checkType located in etc.c in w3m
Product:	[Other] Security Response	Reporter:	Avinash Hanwate <ahanwate>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED WONTFIX	QA Contact:
Severity:	high	Docs Contact:
Priority:	high
Version:	unspecified	CC:	eng-i18n-bugs, pnemade, redhat-bugzilla
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:	An out-of-bounds write-in check type flaw was found in the etc.c function in w3m, triggered by sending a crafted HTML file to the w3m binary. This flaw allows an attacker to cause a denial of service and other possible impacts.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2022-11-25 16:27:52 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:	2126271, 2126272
Bug Blocks:	2126273

Description Avinash Hanwate 2022-09-13 04:41:02 UTC

There is an out-of-bounds write in checkType located in etc.c in w3m 0.5.3. It can be triggered by sending a crafted HTML file to the w3m binary. It allows an attacker to cause Denial of Service or possibly have unspecified other impact.

https://github.com/tats/w3m/issues/242

Comment 1 Avinash Hanwate 2022-09-13 04:41:26 UTC

Created w3m tracking bugs for this issue:

Affects: epel-all [bug 2126271]
Affects: fedora-all [bug 2126272]

Comment 2 Product Security DevOps Team 2022-11-25 16:27:51 UTC

This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2022-38223