- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 200411-20 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - http://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: High Title: ez-ipupdate: Format string vulnerability Date: November 11, 2004 Bugs: #69658 ID: 200411-20 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== ez-ipupdate contains a format string vulnerability that could lead to execution of arbitrary code. Background ========== ez-ipupdate is a utility for updating host name information for a large number of dynamic DNS services. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-dns/ez-ipupdate <= 3.0.11_beta8 >= 3.0.11_beta8-r1 Description =========== Ulf Harnhammar from the Debian Security Audit Project discovered a format string vulnerability in ez-ipupdate. Impact ====== An attacker could exploit this to execute arbitrary code with the permissions of the user running ez-ipupdate, which could be the root user. Workaround ========== There is no known workaround at this time. Resolution ========== All ez-ipupdate users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=net-dns/ez-ipupdate-3.0.11_beta8-r1" References ========== [ 1 ] CAN-2004-0980 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0980 [ 2 ] Full Disclosure Announcement http://lists.netsys.com/pipermail/full-disclosure/2004-November/028590.html Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-200411-20.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 2004 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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