USN-429-1: tcpdump vulnerability

Ubuntu Security Notice USN-429-1

6th March, 2007

tcpdump vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 6.10
  • Ubuntu 6.06 LTS
  • Ubuntu 5.10


Moritz Jodeit discovered that tcpdump had an overflow in the 802.11
packet parser. Remote attackers could send specially crafted packets,
crashing tcpdump, possibly leading to a denial of service.

Update instructions

The problem can be corrected by updating your system to the following package version:

Ubuntu 6.10:
tcpdump 3.9.4-4ubuntu0.1
Ubuntu 6.06 LTS:
tcpdump 3.9.4-2ubuntu0.1
Ubuntu 5.10:
tcpdump 3.9.1-1ubuntu1.1

To update your system, please follow these instructions:

In general, a standard system upgrade is sufficient to effect the
necessary changes.