The pserver_shutdown function in fence_egenera in cman 2.20080629 and 2.20080801 allows local users to overwrite arbitrary files via a symlink attack on the /tmp/eglog temporary file.Referenceshttp://www.securityfocus.com/bid/30898http://secunia.com/advisories/32390http://www.openwall.com/lists/oss-security/2008/10/30/2http://dev.gentoo.org/~rbu/security/debiantemp/cmanhttp://secunia.com/advisories/32387https://bugs.gentoo.org/show_bug.cgi?id=235770http://secunia.com/advisories/31887http://uvw.ru/report.lenny.txthttps://exchange.xforce.ibmcloud.com/vulnerabilities/44845http://www.vupen.com/english/advisories/2011/0419http://www.ubuntu.com/usn/USN-875-1https://bugzilla.redhat.com/show_bug.cgi?id=460476http://www.openwall.com/lists/oss-security/2008/09/18/3http://www.openwall.com/lists/oss-security/2008/09/24/2http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=496410https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00666.htmlhttp://secunia.com/advisories/43362http://www.redhat.com/support/errata/RHSA-2011-0266.html
