Ubuntu Security Notice USN-785-1
9th June, 2009
ipsec-tools vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 9.04
- Ubuntu 8.10
- Ubuntu 8.04 LTS
- Ubuntu 6.06 LTS
Software description
- ipsec-tools
Details
It was discovered that ipsec-tools did not properly handle certain
fragmented packets. A remote attacker could send specially crafted packets
to the server and cause a denial of service. (CVE-2009-1574)
It was discovered that ipsec-tools did not properly handle memory usage
when verifying certificate signatures or processing nat-traversal
keep-alive messages. A remote attacker could send specially crafted packets
to the server and exhaust available memory, leading to a denial of service.
(CVE-2009-1632)
Update instructions
The problem can be corrected by updating your system to the following package version:
- Ubuntu 9.04:
- racoon 1:0.7-2.1ubuntu1.9.04.1
- Ubuntu 8.10:
- racoon 1:0.7-2.1ubuntu1.8.10.1
- Ubuntu 8.04 LTS:
- racoon 1:0.6.7-1.1ubuntu1.2
- Ubuntu 6.06 LTS:
- racoon 1:0.6.5-4ubuntu1.3
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.