About Ubuntu

=========================================================== Ubuntu Security Notice USN-597-1 April 01, 2008 openssh vulnerability CVE-2008-1483 =========================================================== A security issue affects the following Ubuntu releases: Ubuntu 6.06 LTS Ubuntu 6.10 Ubuntu 7.04 Ubuntu 7.10 This advisory also applies to the corresponding versions of Kubuntu, Edubuntu, and Xubuntu. The problem can be corrected by upgrading your system to the following package versions: Ubuntu 6.06 LTS: openssh-client 1:4.2p1-7ubuntu3.3 Ubuntu 6.10: openssh-client 1:4.3p2-5ubuntu1.2 Ubuntu 7.04: openssh-client 1:4.3p2-8ubuntu1.2 Ubuntu 7.10: openssh-client 1:4.6p1-5ubuntu0.2 In general, a standard system upgrade is sufficient to effect the necessary changes. Details follow: Timo Juhani Lindfors discovered that the OpenSSH client, when port forwarding was requested, would listen on any available address family. A local attacker could exploit this flaw on systems with IPv6 enabled to hijack connections, including X11 forwards.