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: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedCC: 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:
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.