About Ubuntu

=========================================================== Ubuntu Security Notice USN-561-1 January 08, 2008 pwlib vulnerability CVE-2007-4897 =========================================================== 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: libpt-1.10.0 1.10.0-1ubuntu1.1 Ubuntu 6.10: libpt-1.10.0 1.10.2.dfsg-0ubuntu3.1 Ubuntu 7.04: libpt-1.10.0 1.10.3-0ubuntu1.1 Ubuntu 7.10: libpt-1.10.0 1.10.10-0ubuntu2.1 After a standard system upgrade you need to restart your session to effect the necessary changes. Details follow: Jose Miguel Esparza discovered that pwlib did not correctly handle large string lengths. A remote attacker could send specially crafted packets to applications linked against pwlib (e.g. Ekiga) causing them to crash, leading to a denial of service.