- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 200409-31 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - http://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: jabberd 1.x: Denial of Service vulnerability Date: September 23, 2004 Bugs: #64741 ID: 200409-31 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== The jabberd server was found to be vulnerable to a remote Denial of Service attack. Background ========== Jabber is a set of streaming XML protocols enabling message, presence, and other structured information exchange between two hosts. jabberd is the original implementation of the Jabber protocol server. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-im/jabberd <= 1.4.3-r3 >= 1.4.3-r4 Description =========== Jose Antonio Calvo found a defect in routines handling XML parsing of incoming data. jabberd 1.x may crash upon reception of invalid data on any socket connection on which XML is parsed. Impact ====== A remote attacker may send a specific sequence of bytes to an open socket to crash the jabberd server, resulting in a Denial of Service. Workaround ========== There is no known workaround at this time. Resolution ========== All jabberd users should upgrade to the latest version: # emerge sync # emerge -pv ">=net-im/jabberd-1.4.3-r4" # emerge ">=net-im/jabberd-1.4.3-r4" References ========== [ 1 ] Vulnerability disclosure http://www.jabber.org/pipermail/jabberd/2004-September/002004.html [ 2 ] Jabber announcement http://www.jabber.org/pipermail/jadmin/2004-September/018046.html Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-200409-31.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/1.0
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