Referenced CVEs:
CVE-2010-0825
Description:
=========================================================== Ubuntu Security Notice USN-919-1 March 29, 2010 emacs22, emacs23 vulnerability CVE-2010-0825 =========================================================== A security issue affects the following Ubuntu releases: Ubuntu 8.04 LTS Ubuntu 8.10 Ubuntu 9.04 Ubuntu 9.10 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 8.04 LTS: emacs22-bin-common 22.1-0ubuntu10.2 Ubuntu 8.10: emacs22-bin-common 22.2-0ubuntu2.8.10.1 Ubuntu 9.04: emacs22-bin-common 22.2-0ubuntu2.9.04.1 Ubuntu 9.10: emacs22-bin-common 22.2-0ubuntu6.2 emacs23-bin-common 23.1+1-4ubuntu3.2 In general, a standard system upgrade is sufficient to effect the necessary changes. Details follow: Dan Rosenberg discovered that the email helper in Emacs did not correctly check file permissions. A local attacker could perform a symlink race to read or append to another user's mailbox if it was stored under a group-writable group-"mail" directory.
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