Bug 807611 (CVE-2012-1593)

Summary: CVE-2012-1593 wireshark: NULL pointer dereference in ANSI A dissector
Product: [Other] Security Response Reporter: Jan Lieskovsky <jlieskov>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedCC: alekcejk, huzaifas, jsafrane, rvokal
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2014-04-22 20:43:29 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: 808973    
Bug Blocks:    

Description Jan Lieskovsky 2012-03-28 10:40:55 UTC
A NULL pointer dereference flaw was found in the way ANSI A dissector of the Wireshark, a network traffic analyzer, processed certain capture files (those causing wireshark to pass NULL packet information via a global variable to the call_dissector() routine). A remote attacker could provide a specially-crafted packet capture file, which once opened by a local unsuspecting user would lead to wireshark executable crash.

Upstream bug report:
[1] https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=6823

Relevant upstream patch:
[2] http://anonsvn.wireshark.org/viewvc?view=revision&revision=40962

CVE Request:
[3] http://www.openwall.com/lists/oss-security/2012/03/28/7

[4] http://www.wireshark.org/download/automated/captures/fuzz-2012-02-10-23234.pcap

Comment 3 Kurt Seifried 2012-03-28 15:08:38 UTC
Added CVE as per http://www.openwall.com/lists/oss-security/2012/03/28/13

Comment 4 Huzaifa S. Sidhpurwala 2012-03-30 07:56:01 UTC

Not Vulnerable. This issue does not affect the version of wireshark as shipped
with Red Hat Enterprise Linux 5 and 6.

Comment 5 Huzaifa S. Sidhpurwala 2012-04-02 04:25:15 UTC
Created wireshark tracking bugs for this issue

Affects: fedora-16 [bug 808973]

Comment 6 Fedora Update System 2012-04-19 05:22:49 UTC
wireshark-1.6.6-1.fc16 has been pushed to the Fedora 16 stable repository.  If problems still persist, please make note of it in this bug report.