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)
9 June 2009
A security issue affects these releases of Ubuntu and its derivatives:
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)
The problem can be corrected by updating your system to the following package versions:
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.
Vulmon