===================================================================== CERT-Renater Note d'Information No. 2006/VULN246 _____________________________________________________________________ DATE : 12/05/2006 HARDWARE PLATFORM(S) : / OPERATING SYSTEM(S) : Gentoo running ruby. ====================================================================== - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 200605-11 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - http://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: Ruby: Denial of Service Date: May 10, 2006 Bugs: #130657 ID: 200605-11 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== Ruby WEBrick and XMLRPC servers are vulnerable to Denial of Service. Background ========== Ruby is an interpreted scripting language for quick and easy object-oriented programming. It comes bundled with HTTP ("WEBrick") and XMLRPC server objects. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 dev-lang/ruby < 1.8.4-r1 >= 1.8.4-r1 Description =========== Ruby uses blocking sockets for WEBrick and XMLRPC servers. Impact ====== An attacker could send large amounts of data to an affected server to block the socket and thus deny other connections to the server. Workaround ========== There is no known workaround at this time. Resolution ========== All Ruby users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=dev-lang/ruby-1.8.4-r1" References ========== [ 1 ] CVE-2006-1931 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-1931 [ 2 ] Ruby release announcement http://www.ruby-lang.org/en/20051224.html Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-200605-11.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 2006 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 ====================================================================== ========================================================= 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 + =========================================================