Bug 2039005 (CVE-2021-4182, wnpa-sec-2021-20)

Summary:	CVE-2021-4182 wireshark: RFC 7468 file parser infinite loop
Product:	[Other] Security Response	Reporter:	Guilherme de Almeida Suckevicz <gsuckevi>
Component:	vulnerability	Assignee:	Nobody <nobody>
Status:	NEW ---	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
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 3.6.1, wireshark 3.4.11	Doc Type:	If docs needed, set a value
Doc Text:	A parser infinite-loop flaw was found in wireshark. An attacker with local network access could pass specially crafted capture files causing an application to halt, crash, or infinite loop.	Story Points:	---
Clone Of:		Environment:
Last Closed:		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:	2039006, 2039189
Bug Blocks:	2039018

Description Guilherme de Almeida Suckevicz 2022-01-10 17:54:05 UTC

Crash in the RFC 7468 dissector in Wireshark 3.6.0 and 3.4.0 to 3.4.10 allows denial of service via packet injection or crafted capture file.

Reference:
https://www.wireshark.org/security/wnpa-sec-2021-20.html

Comment 1 Guilherme de Almeida Suckevicz 2022-01-10 17:54:47 UTC

Created wireshark tracking bugs for this issue:

Affects: fedora-all [bug 2039006]