Bug 1222433 (CVE-2015-3808, CVE-2015-3809)

Summary:	CVE-2015-3808 CVE-2015-3809 wireshark: LBMR infinite loop (wnpa-sec-2015-12)
Product:	[Other] Security Response	Reporter:	Martin Prpič <mprpic>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	huzaifas, jrusnack, lemenkov, manisandro, phatina, rvokal, sisharma
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	wireshark 1.12.5	Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2015-06-17 10:14:06 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:
Bug Blocks:	1222441

Description Martin Prpič 2015-05-18 08:38:57 UTC

It was reported that Wireshark's LBMR dissector could enter an infinite loop. 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.

This flaw is fixed in versions the following Wireshark versions: 1.12.5.

Upstream bug:

https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=11036

External References:

https://www.wireshark.org/security/wnpa-sec-2015-12

Comment 1 Martin Prpič 2015-05-18 08:41:53 UTC

Fixed in Fedora via:

FEDORA-2015-8150 -- wireshark-1.12.5-1.fc21

Comment 2 Siddharth Sharma 2015-06-17 10:14:06 UTC

Statement:

This issue did not affect the versions of wireshark as shipped with Red Hat Enterprise Linux 5, 6 and 7.

Comment 3 Siddharth Sharma 2015-06-17 17:11:22 UTC

Patch
-----

https://code.wireshark.org/review/gitweb?p=wireshark.git;a=patch;h=8c6929254e6b30bc64b6f7e29699085ee2611b93