USN-641-1: Racoon vulnerabilities

8 September 2008

ipsec-tools vulnerabilities

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

  • Ubuntu 8.04 LTS
  • Ubuntu 7.10
  • Ubuntu 7.04
  • Ubuntu 6.06 LTS

Software Description

  • ipsec-tools


It was discovered that there were multiple ways to leak memory during the IKE negotiation when handling certain packets. If a remote attacker sent repeated malicious requests, the “racoon” key exchange server could allocate large amounts of memory, possibly leading to a denial of service.

Update instructions

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

Ubuntu 8.04 LTS
racoon - 1:0.6.7-1.1ubuntu1.1
Ubuntu 7.10
racoon - 1:0.6.6-3.1ubuntu3.1
Ubuntu 7.04
racoon - 1:0.6.6-3ubuntu3.1
Ubuntu 6.06 LTS
racoon - 1:0.6.5-4ubuntu1.2

To update your system, please follow these instructions:

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