Bug 1922467 (CVE-2021-22173)

Summary:	CVE-2021-22173 wireshark: USB HID dissector memory leak
Product:	[Other] Security Response	Reporter:	Pedro Sampaio <psampaio>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	alekcejk, denis, huzaifas, lemenkov, mruprich, msehnout, peter, rvokal, sergey.avseyev
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	wireshark 3.4.3	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2021-06-29 21:00:26 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:	1922468, 1922520
Bug Blocks:	1922470

Description Pedro Sampaio 2021-01-29 20:24:44 UTC

It may be possible to make Wireshark consume excessive CPU resources by injecting a malformed packet onto the wire or by convincing someone to read a malformed packet trace file. 

References:

https://www.wireshark.org/security/wnpa-sec-2021-01.html

Comment 1 Pedro Sampaio 2021-01-29 20:25:36 UTC

Created wireshark tracking bugs for this issue:

Affects: fedora-all [bug 1922468]

Comment 3 Todd Cullum 2021-01-30 00:19:36 UTC

Statement:

Wireshark as shipped with Red Hat Enterprise Linux 6, 7, and 8 is not affected by this flaw as the vulnerable code was introduced in a newer version of Wireshark.

Comment 5 Todd Cullum 2021-02-03 00:12:03 UTC

External References:

https://www.wireshark.org/security/wnpa-sec-2021-01.html

Comment 6 Todd Cullum 2021-02-03 00:12:30 UTC

Mitigation:

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.