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Posted on 17 April 2007
Gentoo-announce--DiL7RhKs8rK9YGuFContent-Type: text/plain; charset=us-asciiContent-Disposition: inline- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -Gentoo Linux Security Advisory GLSA 200704-14- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - http://security.gentoo.org/- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: FreeRADIUS: Denial of Service Date: April 17, 2007 Bugs: #174292 ID: 200704-14- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -Synopsis========A memory leak has been discovered in FreeRADIUS, possibly allowing fora Denial of Service.Background==========FreeRADIUS is an open source RADIUS authentication serverimplementation.Affected packages================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-dialup/freeradius < 1.1.6 >= 1.1.6Description===========The Coverity Scan project has discovered a memory leak within thehandling of certain malformed Diameter format values inside an EAP-TTLStunnel.Impact======A remote attacker could send a large amount of specially craftedpackets to a FreeRADIUS server using EAP-TTLS authentication andexhaust all memory, possibly resulting in a Denial of Service.Workaround==========There is no known workaround at this time.Resolution==========All FreeRADIUS users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=net-dialup/freeradius-1.1.6"References========== [ 1 ] CVE-2007-2028 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-2028Availability============This GLSA and any updates to it are available for viewing atthe Gentoo Security Website: http://security.gentoo.org/glsa/glsa-200704-14.xmlConcerns?=========Security is a primary focus of Gentoo Linux and ensuring theconfidentiality and security of our users machines is of utmostimportance to us. Any security concerns should be addressed tosecurity@gentoo.org or alternatively, you may file a bug athttp://bugs.gentoo.org.License=======Copyright 2007 Gentoo Foundation, Inc; referenced textbelongs to its owner(s).The contents of this document are licensed under theCreative Commons - Attribution / Share Alike license.http://creativecommons.org/licenses/by-sa/2.5--DiL7RhKs8rK9YGuFContent-Type: application/pgp-signatureContent-Disposition: inline
