Bug 681753 (CVE-2011-1138)

Summary:	CVE-2011-1138 Wireshark: Off-by-one error in the dissect_6lowpan_iphc function causes application crash (Denial Of Service)
Product:	[Other] Security Response	Reporter:	Huzaifa S. Sidhpurwala <huzaifas>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	jsafrane
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2012-06-20 15:50:23 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:	676781
Bug Blocks:

Description Huzaifa S. Sidhpurwala 2011-03-03 06:54:51 UTC

Common Vulnerabilities and Exposures assigned an identifier CVE-2011-1138 to
the following vulnerability:

Name: CVE-2011-1138
URL: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-1138
Assigned: 20110302
Reference: CONFIRM:http://anonsvn.wireshark.org/viewvc?view=rev&revision=36036
Reference: CONFIRM:http://www.wireshark.org/docs/relnotes/wireshark-1.4.4.html
Reference: CONFIRM:http://www.wireshark.org/security/wnpa-sec-2011-04.html
Reference: CONFIRM:https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=5722

Off-by-one error in the dissect_6lowpan_iphc function in
packet-6lowpan.c in Wireshark 1.4.0 through 1.4.3 on 32-bit platforms
allows remote attackers to cause a denial of service (application
crash) via a malformed 6LoWPAN IPv6 packet.

Comment 1 Huzaifa S. Sidhpurwala 2011-03-03 09:28:36 UTC

Created wireshark tracking bugs for this issue

Affects: fedora-all [bug 676781]

Comment 2 Huzaifa S. Sidhpurwala 2011-03-04 06:52:02 UTC

The version of wireshark shipped with Red Hat Enterprise Linux 4, 5 and 6 does not have support for IPv6 over IEEE 802.15.4 (aka 6LoWPAN) protocol. Hence is not vulnerable.

This vulnerability does not affect fedora-13 since, it does not have support for IPv6 over IEEE 802.15.4 (aka 6LoWPAN) protocol. 

This vulnerability affects the version of wireshark shipped with fedora-14.

Statement:

Not vulnerable. This issue did not affect the versions of wireshark as
shipped with Red Hat Enterprise Linux 4, 5, or 6.