Ubuntu Security Notice USN-450-1
9th April, 2007
ipsec-tools vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 6.10
- Ubuntu 6.06 LTS
- Ubuntu 5.10
Details
A flaw was discovered in the IPSec key exchange server "racoon". Remote
attackers could send a specially crafted packet and disrupt established
IPSec tunnels, 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:
- racoon 1:0.6.6-1ubuntu1.1
- Ubuntu 6.06 LTS:
- racoon 1:0.6.5-4ubuntu1.1
- Ubuntu 5.10:
- racoon 1:0.6-1ubuntu1.2
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system upgrade is sufficient to effect the
necessary changes.