Ubuntu 6.06 LTS / 8.04 LTS / 8.10 / 9.04 : ipsec-tools vulnerabilities (USN-785-1)
Medium Nessus Plugin ID 39353
SynopsisThe remote Ubuntu host is missing one or more security-related patches.
DescriptionIt 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).
Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
SolutionUpdate the affected ipsec-tools and / or racoon packages.