Ubuntu USN-818-1 (curl)

Summary
The remote host is missing an update to curl announced via advisory USN-818-1.
Solution
The problem can be corrected by upgrading your system to the following package versions: Ubuntu 6.06 LTS: libcurl3 7.15.1-1ubuntu3.2 Ubuntu 8.04 LTS: libcurl3 7.18.0-1ubuntu2.2 Ubuntu 8.10: libcurl3 7.18.2-1ubuntu4.4 Ubuntu 9.04: libcurl3 7.18.2-8ubuntu4.1 In general, a standard system upgrade is sufficient to effect the necessary changes. https://secure1.securityspace.com/smysecure/catid.html?in=USN-818-1
Insight
Scott Cantor discovered that Curl did not correctly handle SSL certificates with zero bytes in the Common Name. A remote attacker could exploit this to perform a man in the middle attack to view sensitive information or alter encrypted communications.