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Category:   Application (Generic)  >   Wireshark Vendors:
Wireshark ANSI A/IEEE 802.11/PCAP/MP2T Bugs Let Remote Users Deny Service
SecurityTracker Alert ID:  1026874
SecurityTracker URL:
CVE Reference:   CVE-2012-1593, CVE-2012-1594, CVE-2012-1595, CVE-2012-1596   (Links to External Site)
Date:  Mar 30 2012
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to 1.4.12 and 1.6.6
Description:   Several vulnerabilities were reported in Wireshark. A remote user can cause denial of service conditions.

A remote user can send specially crafted data to cause the target service to crash.

A null pointer dereference can be triggered in the ANSI A dissector [CVE-2012-1593].

An infinite loop can occur in the IEEE 802.11 dissector [CVE-2012-1594].

A memory corruption error can occur in the pcap and pcap-ng file parsers when reading ERF data [CVE-2012-1595].

A memory allocation error can occur in the MP2T dissector [CVE-2012-1596].

Impact:   A remote user can cause Wireshark to crash.
Solution:   The vendor has issued a fix (1.4.12, 1.6.6).

The vendor's advisories are available at:

Vendor URL: (Links to External Site)
Cause:   Access control error, Input validation error, State error
Underlying OS:  Linux (Any), UNIX (Any), Windows (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Apr 24 2012 (Red Hat Issues Fix) Wireshark ANSI A/IEEE 802.11/PCAP/MP2T Bugs Let Remote Users Deny Service
Red Hat has issued a fix for Red Hat Enterprise Linux 6.

 Source Message Contents

[Original Message Not Available for Viewing]

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