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Vendor: Gentoo Vendor ID: GLSA 200606-26 Title: EnergyMech denial of service Publishing date: June 26, 2006 Published by: Nikola Strahija Other advisories by Gentoo: Wireshark dissectors vulnerabilities GIMP buffer overflow bug Xine-lib buffer overflow Libpng buffer overflow bug SHOUTcast server multiple vulnerabilities     Printable version  |    Send to a friend   Security Advisory info: By sending an empty CTCP NOTICE, a remote attacker could exploit this vulnerability to cause a Denial of Service. Scroll down to see the full advisory - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 200606-26 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - http://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: EnergyMech: Denial of Service Date: June 26, 2006 Bugs: #132749 ID: 200606-26 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== A Denial of Service vulnerability was discovered in EnergyMech that is easily exploitable via IRC. Background ========== EnergyMech is an IRC bot programmed in C. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-irc/emech < 3.0.2 >= 3.0.2 Description =========== A bug in EnergyMech fails to handle empty CTCP NOTICEs correctly, and will cause a crash from a segmentation fault. Impact ====== By sending an empty CTCP NOTICE, a remote attacker could exploit this vulnerability to cause a Denial of Service. Workaround ========== There is no known workaround at this time. Resolution ========== All EnergyMech users should update to the latest stable version: # emerge --sync # emerge --ask --oneshot --verbose ">=net-irc/emech-3.0.2" References ========== [ 1 ] EnergyMech Changelog http://www.energymech.net/versions-3.0.html Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-200606-26.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 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     Printable version  |    Send to a friend

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