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AUSCERT Security Bulletin
A number of vulnerabilities have been identified in Wireshark
25 July 2012
AusCERT Security Bulletin Summary
Operating System: UNIX variants (UNIX, Linux, OSX)
Impact/Access: Denial of Service -- Remote with User Interaction
CVE Names: CVE-2012-4048 CVE-2012-4049
Member content until: Friday, August 24 2012
A number of vulnerabilities have been identified in Wireshark prior
to versions 1.8.1, 1.6.9 and 1.4.14.
The vendor has provided the following details regarding these
"It may be possible to make Wireshark crash by injecting a malformed
packet onto the wire or by convincing someone to read a malformed
packet trace file." 
"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." 
The vendor recommends upgrading to the latest releases of Wireshark to
correct these issues.
 PPP dissector crash
 Large loop in the NFS dissector
AusCERT has made every effort to ensure that the information contained
in this document is accurate. However, the decision to use the information
described is the responsibility of each user or organisation. The decision to
follow or act on information or advice contained in this security bulletin is
the responsibility of each user or organisation, and should be considered in
accordance with your organisation's site policies and procedures. AusCERT
takes no responsibility for consequences which may arise from following or
acting on information or advice contained in this security bulletin.
Australian Computer Emergency Response Team
The University of Queensland
Internet Email: email@example.com
Facsimile: (07) 3365 7031
Telephone: (07) 3365 4417 (International: +61 7 3365 4417)
AusCERT personnel answer during Queensland business hours
which are GMT+10:00 (AEST).
On call after hours for member emergencies only.
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