===================================================================== CERT-Renater Note d'Information No. 2005/VULN092 _____________________________________________________________________ DATE : 18/02/2005 HARDWARE PLATFORM(S) : / OPERATING SYSTEM(S) : Systems running Emacs, XEmacs. ====================================================================== - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 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 at gentoo.org 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 -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 256 bytes Desc: OpenPGP digital signature Url : http://lists.netsys.com/pipermail/full-disclosure/attachments/20050215/fe2d21a7/signature.bin ====================================================================== ========================================================= Les serveurs de référence du CERT-Renater http://www.urec.fr/securite http://www.cru.fr/securite http://www.renater.fr ========================================================= + CERT-RENATER | tel : 01-53-94-20-44 + + 151 bd de l'Hopital | fax : 01-53-94-20-41 + + 75013 Paris | email: certsvp@renater.fr + =========================================================