- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 200502-20 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - http://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: Emacs, XEmacs: Format string vulnerabilities in movemail Date: February 15, 2005 Bugs: #79686 ID: 200502-20 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== The movemail utility shipped with Emacs and XEmacs contains several format string vulnerabilities, potentially leading to the execution of arbitrary code. Background ========== GNU Emacs and XEmacs are highly extensible and customizable text editors. movemail is an Emacs utility that can fetch mail on remote mail servers. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 app-editors/emacs < 21.4 >= 21.4 2 app-editors/xemacs < 21.4.15-r3 >= 21.4.15-r3 ------------------------------------------------------------------- 2 affected packages on all of their supported architectures. ------------------------------------------------------------------- Description =========== Max Vozeler discovered that the movemail utility contains several format string errors. Impact ====== An attacker could set up a malicious POP server and entice a user to connect to it using movemail, resulting in the execution of arbitrary code with the rights of the victim user. Workaround ========== There is no known workaround at this time. Resolution ========== All Emacs users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=app-editors/emacs-21.4" All XEmacs users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=app-editors/xemacs-21.4.15-r3" References ========== [ 1 ] CAN-2005-0100 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-0100 Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-200502-20.xml Concerns? ========= Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@xxxxxxxxxx or alternatively, you may file a bug at http://bugs.gentoo.org. License ======= Copyright 2005 Gentoo Foundation, Inc; referenced text belongs to its owner(s). The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license. http://creativecommons.org/licenses/by-sa/2.0
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