Ubuntu 6.06 LTS / 7.10 / 8.04 LTS / 8.10 : gnutls12, gnutls13, gnutls26 vulnerability (USN-678-1)
Medium Nessus Plugin ID 37965
SynopsisThe remote Ubuntu host is missing one or more security-related patches.
DescriptionMartin von Gagern discovered that GnuTLS did not properly verify certificate chains when the last certificate in the chain was self-signed. If a remote attacker were able to perform a man-in-the-middle attack, this flaw could be exploited to view sensitive information. (CVE-2008-4989).
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 packages.