CVE-2006-4924 Information

Description

sshd in OpenSSH before 4.4 when using the version 1 SSH protocol allows remote attackers to cause a denial of service (CPU consumption) via an SSH packet that contains duplicate blocks which is not properly handled by the CRC compensation attack detector.

Reference

ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-06:22.openssh.asc ftp://ftp.sco.com/pub/unixware7/714/security/p534336/p534336.txt ftp://patches.sgi.com/support/free/security/advisories/20061001-01-P.asc http://blogs.sun.com/security/entry/sun_alert_102962_security_vulnerability http://bugs.gentoo.org/show_bug.cgi?id=148228 http://docs.info.apple.com/article.html?artnum=305214 http://itrc.hp.com/service/cki/docDisplay.do?docId=c00815112 http://lists.apple.com/archives/security-announce/2007/Mar/msg00002.html http://marc.info/?l=openssh-unix-dev&m=115939141729160&w=2 http://secunia.com/advisories/21923 http://secunia.com/advisories/22091 http://secunia.com/advisories/22116 http://secunia.com/advisories/22158 http://secunia.com/advisories/22164 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/22298 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/23038 http://secunia.com/advisories/23241 http://secunia.com/advisories/23340 http://secunia.com/advisories/23680 http://secunia.com/advisories/24479 http://secunia.com/advisories/24799 http://secunia.com/advisories/24805 http://secunia.com/advisories/25608 http://secunia.com/advisories/29371 http://secunia.com/advisories/34274 http://security.freebsd.org/advisories/FreeBSD-SA-063A22.openssh.asc http://security.gentoo.org/glsa/glsa-200609-17.xml http://security.gentoo.org/glsa/glsa-200611-06.xml http://securitytracker.com/id?1016931 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://sourceforge.net/project/shownotes.php?release_id=461863&group_id=69227 http://sunsolve.sun.com/search/document.do?assetkey=1-26-102962-1 http://support.avaya.com/elmodocs2/security/ASA-2006-216.htm http://support.avaya.com/elmodocs2/security/ASA-2006-262.htm http://www.debian.org/security/2006/dsa-1189 http://www.debian.org/security/2006/dsa-1212 http://www.kb.cert.org/vuls/id/787448 http://www.mandriva.com/security/advisories?name=MDKSA-2006:179 http://www.novell.com/linux/security/advisories/2006_24_sr.html 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/29152 http://www.redhat.com/support/errata/RHSA-2006-0697.html http://www.redhat.com/support/errata/RHSA-2006-0698.html http://www.securityfocus.com/archive/1/447153/100/0/threaded http://www.securityfocus.com/bid/20216 http://www.trustix.org/errata/2006/0054 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/2006/3777 http://www.vupen.com/english/advisories/2006/4401 http://www.vupen.com/english/advisories/2006/4869 http://www.vupen.com/english/advisories/2007/0930 http://www.vupen.com/english/advisories/2007/1332 http://www.vupen.com/english/advisories/2007/2119 http://www.vupen.com/english/advisories/2009/0740 http://www-unix.globus.org/mail_archive/security-announce/2007/04/msg00000.html https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=207955 https://exchange.xforce.ibmcloud.com/vulnerabilities/29158 https://hypersonic.bluecoat.com/support/securityadvisories/ssh_server_on_sg https://issues.rpath.com/browse/RPL-661 https://oval.cisecurity.org/repository/search/definition/oval3Aorg.mitre.oval3Adef3A10462 https://oval.cisecurity.org/repository/search/definition/oval3Aorg.mitre.oval3Adef3A1193