Bug 1854882 (CVE-2020-15466)

Summary:	CVE-2020-15466 wireshark: GVCP dissector infinite loop
Product:	[Other] Security Response	Reporter:	msiddiqu
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED WONTFIX	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	denis, huzaifas, lemenkov, mruprich, msehnout, peter, rvokal, sergey.avseyev
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	Wireshark 3.2.5	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2021-06-29 20:31:39 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:	1854884, 1855166
Bug Blocks:	1854885

Description msiddiqu 2020-07-08 12:08:16 UTC

In Wireshark 3.2.0 to 3.2.4, the GVCP dissector could go into an infinite loop. This was addressed in epan/dissectors/packet-gvcp.c by ensuring that an offset increases in all situations.

References:

https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=16029

Upstream patch:

https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=11f40896b696e4e8c7f8b2ad96028404a83a51a4

Comment 1 msiddiqu 2020-07-08 12:09:03 UTC

Created wireshark tracking bugs for this issue:

Affects: fedora-all [bug 1854884]

Comment 2 msiddiqu 2020-07-08 12:10:19 UTC

External References:

https://www.wireshark.org/security/wnpa-sec-2020-09.html

Comment 4 Tomas Hoger 2020-07-14 09:15:30 UTC

*** Bug 1854879 has been marked as a duplicate of this bug. ***