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.
Metrics
CVSS 2.0 7.8/10
AV:N/AC:L/Au:N/C:N/I:N/A:CWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- 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/21923Vendor Advisory
- http://secunia.com/advisories/22091Vendor Advisory
- http://secunia.com/advisories/22116Vendor Advisory
- http://secunia.com/advisories/22158Vendor Advisory
- http://secunia.com/advisories/22164Vendor Advisory
- http://secunia.com/advisories/22183Vendor Advisory
- http://secunia.com/advisories/22196Vendor Advisory
- http://secunia.com/advisories/22208Vendor Advisory
- http://secunia.com/advisories/22236Vendor Advisory
- http://secunia.com/advisories/22245Vendor Advisory
- http://secunia.com/advisories/22270Vendor Advisory
- http://secunia.com/advisories/22298Vendor Advisory
- http://secunia.com/advisories/22352Vendor Advisory
- http://secunia.com/advisories/22362Vendor Advisory
- http://secunia.com/advisories/22487Vendor Advisory
- http://secunia.com/advisories/22495Vendor Advisory
- http://secunia.com/advisories/22823Vendor Advisory
- http://secunia.com/advisories/22926Vendor Advisory
- http://secunia.com/advisories/23038Vendor Advisory
- http://secunia.com/advisories/23241Vendor Advisory
- http://secunia.com/advisories/23340Vendor Advisory
- 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-06%3A22.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-unix.globus.org/mail_archive/security-announce/2007/04/msg00000.html
- http://www.debian.org/security/2006/dsa-1189Patch
- http://www.debian.org/security/2006/dsa-1212Patch
- http://www.kb.cert.org/vuls/id/787448US Government Resource
- 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.html#ssh
- 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/20216Exploit, Patch
- http://www.trustix.org/errata/2006/0054
- http://www.ubuntu.com/usn/usn-355-1
Timeline
- Published
- Sep 27, 2006
- Last modified
- Jun 16, 2026
- NVD status
- Modified