CVE-2006-5051 Information

Description

Signal handler race condition in OpenSSH before 4.4 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code if GSSAPI authentication is enabled via unspecified vectors that lead to a double-free.

Reference

ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-06:22.openssh.asc ftp://patches.sgi.com/support/free/security/advisories/20061001-01-P.asc http://docs.info.apple.com/article.html?artnum=305214 http://lists.apple.com/archives/security-announce/2007/Mar/msg00002.html http://lists.freebsd.org/pipermail/freebsd-security/2006-October/004051.html http://marc.info/?l=openssh-unix-dev&m=115939141729160&w=2 http://openssh.org/txt/release-4.4 http://secunia.com/advisories/22158 http://secunia.com/advisories/22173 http://secunia.com/advisories/22183 http://secunia.com/advisories/22196 http://secunia.com/advisories/22208 http://secunia.com/advisories/22236 http://secunia.com/advisories/22245 http://secunia.com/advisories/22270 http://secunia.com/advisories/22352 http://secunia.com/advisories/22362 http://secunia.com/advisories/22487 http://secunia.com/advisories/22495 http://secunia.com/advisories/22823 http://secunia.com/advisories/22926 http://secunia.com/advisories/23680 http://secunia.com/advisories/24479 http://secunia.com/advisories/24799 http://secunia.com/advisories/24805 http://security.freebsd.org/advisories/FreeBSD-SA-063A22.openssh.asc http://security.gentoo.org/glsa/glsa-200611-06.xml http://securitytracker.com/id?1016940 http://slackware.com/security/viewer.php?l=slackware-security&y=2006&m=slackware-security.592566 http://sourceforge.net/forum/forum.php?forum_id=681763 http://support.avaya.com/elmodocs2/security/ASA-2006-216.htm http://www.arkoon.fr/upload/alertes/36AK-2006-07-FR-1.0_FAST360_OPENSSH.pdf http://www.arkoon.fr/upload/alertes/43AK-2006-09-FR-1.0_SSL360_OPENSSH.pdf http://www.debian.org/security/2006/dsa-1189 http://www.debian.org/security/2006/dsa-1212 http://www.kb.cert.org/vuls/id/851340 http://www.mandriva.com/security/advisories?name=MDKSA-2006:179 http://www.novell.com/linux/security/advisories/2006_62_openssh.html http://www.openbsd.org/errata.htmlssh http://www.openpkg.org/security/advisories/OpenPKG-SA-2006.022-openssh.html http://www.osvdb.org/29264 http://www.redhat.com/support/errata/RHSA-2006-0697.html http://www.redhat.com/support/errata/RHSA-2006-0698.html http://www.securityfocus.com/bid/20241 http://www.ubuntu.com/usn/usn-355-1 http://www.us-cert.gov/cas/techalerts/TA07-072A.html http://www.vmware.com/support/vi3/doc/esx-3069097-patch.html http://www.vmware.com/support/vi3/doc/esx-9986131-patch.html http://www.vupen.com/english/advisories/2006/4018 http://www.vupen.com/english/advisories/2006/4329 http://www.vupen.com/english/advisories/2007/0930 http://www.vupen.com/english/advisories/2007/1332 http://www-unix.globus.org/mail_archive/security-announce/2007/04/msg00000.html https://exchange.xforce.ibmcloud.com/vulnerabilities/29254 https://oval.cisecurity.org/repository/search/definition/oval3Aorg.mitre.oval3Adef3A11387