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[ GLSA 200812-08 ] Mgetty: Insecure temporary file usage
From: Pierre-Yves Rofes <py () gentoo org>
Date: Sat, 06 Dec 2008 18:53:43 +0100
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 200812-08 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - http://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: Mgetty: Insecure temporary file usage Date: December 06, 2008 Bugs: #235806 ID: 200812-08 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== Mgetty uses temporary files in an insecure manner, allowing for symlink attacks. Background ========== Mgetty is a set of fax and voice modem programs. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-dialup/mgetty < 1.1.36-r2 >= 1.1.36-r2 Description =========== Dmitry E. Oboukhov reported that the "spooldir" directory in fax/faxspool.in is created in an insecure manner. Impact ====== A local attacker could exploit this vulnerability to overwrite arbitrary files with the privileges of the user running the application. Workaround ========== There is no known workaround at this time. Resolution ========== All Mgetty users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=net-dialup/mgetty-1.1.36-r2" References ========== [ 1 ] CVE-2008-4936 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-4936 Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-200812-08.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 () gentoo org or alternatively, you may file a bug at http://bugs.gentoo.org. License ======= Copyright 2008 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/2.5
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- [ GLSA 200812-08 ] Mgetty: Insecure temporary file usage Pierre-Yves Rofes (Dec 06)