CVE-2006-4924

N/A Unknown
Published: September 27, 2006 Modified: April 23, 2026
View on NVD

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.

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References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-06:22.openssh.asc
Source: secalert@redhat.com
ftp://ftp.sco.com/pub/unixware7/714/security/p534336/p534336.txt
Source: secalert@redhat.com
ftp://patches.sgi.com/support/free/security/advisories/20061001-01-P.asc
Source: secalert@redhat.com
http://blogs.sun.com/security/entry/sun_alert_102962_security_vulnerability
Source: secalert@redhat.com
http://bugs.gentoo.org/show_bug.cgi?id=148228
Source: secalert@redhat.com
http://docs.info.apple.com/article.html?artnum=305214
Source: secalert@redhat.com
http://itrc.hp.com/service/cki/docDisplay.do?docId=c00815112
Source: secalert@redhat.com
http://lists.apple.com/archives/security-announce/2007/Mar/msg00002.html
Source: secalert@redhat.com
http://marc.info/?l=openssh-unix-dev&m=115939141729160&w=2
Source: secalert@redhat.com
http://secunia.com/advisories/21923
Source: secalert@redhat.com
Vendor Advisory
http://secunia.com/advisories/22091
Source: secalert@redhat.com
Vendor Advisory
http://secunia.com/advisories/22116
Source: secalert@redhat.com
Vendor Advisory
http://secunia.com/advisories/22158
Source: secalert@redhat.com
Vendor Advisory
http://secunia.com/advisories/22164
Source: secalert@redhat.com
Vendor Advisory
http://secunia.com/advisories/22183
Source: secalert@redhat.com
Vendor Advisory
http://secunia.com/advisories/22196
Source: secalert@redhat.com
Vendor Advisory
http://secunia.com/advisories/22208
Source: secalert@redhat.com
Vendor Advisory
http://secunia.com/advisories/22236
Source: secalert@redhat.com
Vendor Advisory
http://secunia.com/advisories/22245
Source: secalert@redhat.com
Vendor Advisory
http://secunia.com/advisories/22270
Source: secalert@redhat.com
Vendor Advisory
http://secunia.com/advisories/22298
Source: secalert@redhat.com
Vendor Advisory
http://secunia.com/advisories/22352
Source: secalert@redhat.com
Vendor Advisory
http://secunia.com/advisories/22362
Source: secalert@redhat.com
Vendor Advisory
http://secunia.com/advisories/22487
Source: secalert@redhat.com
Vendor Advisory
http://secunia.com/advisories/22495
Source: secalert@redhat.com
Vendor Advisory
http://secunia.com/advisories/22823
Source: secalert@redhat.com
Vendor Advisory
http://secunia.com/advisories/22926
Source: secalert@redhat.com
Vendor Advisory
http://secunia.com/advisories/23038
Source: secalert@redhat.com
Vendor Advisory
http://secunia.com/advisories/23241
Source: secalert@redhat.com
Vendor Advisory
http://secunia.com/advisories/23340
Source: secalert@redhat.com
Vendor Advisory
http://secunia.com/advisories/23680
Source: secalert@redhat.com
http://secunia.com/advisories/24479
Source: secalert@redhat.com
http://secunia.com/advisories/24799
Source: secalert@redhat.com
http://secunia.com/advisories/24805
Source: secalert@redhat.com
http://secunia.com/advisories/25608
Source: secalert@redhat.com
http://secunia.com/advisories/29371
Source: secalert@redhat.com
http://secunia.com/advisories/34274
Source: secalert@redhat.com
http://security.freebsd.org/advisories/FreeBSD-SA-06%3A22.openssh.asc
Source: secalert@redhat.com
http://security.gentoo.org/glsa/glsa-200609-17.xml
Source: secalert@redhat.com
http://security.gentoo.org/glsa/glsa-200611-06.xml
Source: secalert@redhat.com
http://securitytracker.com/id?1016931
Source: secalert@redhat.com
http://slackware.com/security/viewer.php?l=slackware-security&y=2006&m=slackware-security.592566
Source: secalert@redhat.com
http://sourceforge.net/forum/forum.php?forum_id=681763
Source: secalert@redhat.com
http://sourceforge.net/project/shownotes.php?release_id=461863&group_id=69227
Source: secalert@redhat.com
http://sunsolve.sun.com/search/document.do?assetkey=1-26-102962-1
Source: secalert@redhat.com
http://support.avaya.com/elmodocs2/security/ASA-2006-216.htm
Source: secalert@redhat.com
http://support.avaya.com/elmodocs2/security/ASA-2006-262.htm
Source: secalert@redhat.com
http://www-unix.globus.org/mail_archive/security-announce/2007/04/msg00000.html
Source: secalert@redhat.com
http://www.debian.org/security/2006/dsa-1189
Source: secalert@redhat.com
Patch
http://www.debian.org/security/2006/dsa-1212
Source: secalert@redhat.com
Patch
http://www.kb.cert.org/vuls/id/787448
Source: secalert@redhat.com
US Government Resource
http://www.mandriva.com/security/advisories?name=MDKSA-2006:179
Source: secalert@redhat.com
http://www.novell.com/linux/security/advisories/2006_24_sr.html
Source: secalert@redhat.com
http://www.novell.com/linux/security/advisories/2006_62_openssh.html
Source: secalert@redhat.com
http://www.openbsd.org/errata.html#ssh
Source: secalert@redhat.com
http://www.openpkg.org/security/advisories/OpenPKG-SA-2006.022-openssh.html
Source: secalert@redhat.com
http://www.osvdb.org/29152
Source: secalert@redhat.com
http://www.redhat.com/support/errata/RHSA-2006-0697.html
Source: secalert@redhat.com
http://www.redhat.com/support/errata/RHSA-2006-0698.html
Source: secalert@redhat.com
http://www.securityfocus.com/archive/1/447153/100/0/threaded
Source: secalert@redhat.com
http://www.securityfocus.com/bid/20216
Source: secalert@redhat.com
Exploit Patch
http://www.trustix.org/errata/2006/0054
Source: secalert@redhat.com
http://www.ubuntu.com/usn/usn-355-1
Source: secalert@redhat.com
http://www.us-cert.gov/cas/techalerts/TA07-072A.html
Source: secalert@redhat.com
US Government Resource
http://www.vmware.com/support/vi3/doc/esx-3069097-patch.html
Source: secalert@redhat.com
http://www.vmware.com/support/vi3/doc/esx-9986131-patch.html
Source: secalert@redhat.com
http://www.vupen.com/english/advisories/2006/3777
Source: secalert@redhat.com
http://www.vupen.com/english/advisories/2006/4401
Source: secalert@redhat.com
http://www.vupen.com/english/advisories/2006/4869
Source: secalert@redhat.com
http://www.vupen.com/english/advisories/2007/0930
Source: secalert@redhat.com
http://www.vupen.com/english/advisories/2007/1332
Source: secalert@redhat.com
http://www.vupen.com/english/advisories/2007/2119
Source: secalert@redhat.com
http://www.vupen.com/english/advisories/2009/0740
Source: secalert@redhat.com
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=207955
Source: secalert@redhat.com
Patch Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/29158
Source: secalert@redhat.com
https://hypersonic.bluecoat.com/support/securityadvisories/ssh_server_on_sg
Source: secalert@redhat.com
https://issues.rpath.com/browse/RPL-661
Source: secalert@redhat.com
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10462
Source: secalert@redhat.com
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1193
Source: secalert@redhat.com
ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-06:22.openssh.asc
Source: af854a3a-2127-422b-91ae-364da2661108
ftp://ftp.sco.com/pub/unixware7/714/security/p534336/p534336.txt
Source: af854a3a-2127-422b-91ae-364da2661108
ftp://patches.sgi.com/support/free/security/advisories/20061001-01-P.asc
Source: af854a3a-2127-422b-91ae-364da2661108
http://blogs.sun.com/security/entry/sun_alert_102962_security_vulnerability
Source: af854a3a-2127-422b-91ae-364da2661108
http://bugs.gentoo.org/show_bug.cgi?id=148228
Source: af854a3a-2127-422b-91ae-364da2661108
http://docs.info.apple.com/article.html?artnum=305214
Source: af854a3a-2127-422b-91ae-364da2661108
http://itrc.hp.com/service/cki/docDisplay.do?docId=c00815112
Source: af854a3a-2127-422b-91ae-364da2661108
http://lists.apple.com/archives/security-announce/2007/Mar/msg00002.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://marc.info/?l=openssh-unix-dev&m=115939141729160&w=2
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/21923
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://secunia.com/advisories/22091
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://secunia.com/advisories/22116
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://secunia.com/advisories/22158
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://secunia.com/advisories/22164
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://secunia.com/advisories/22183
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://secunia.com/advisories/22196
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://secunia.com/advisories/22208
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://secunia.com/advisories/22236
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://secunia.com/advisories/22245
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://secunia.com/advisories/22270
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://secunia.com/advisories/22298
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://secunia.com/advisories/22352
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://secunia.com/advisories/22362
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://secunia.com/advisories/22487
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://secunia.com/advisories/22495
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://secunia.com/advisories/22823
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://secunia.com/advisories/22926
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://secunia.com/advisories/23038
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://secunia.com/advisories/23241
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://secunia.com/advisories/23340
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://secunia.com/advisories/23680
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/24479
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/24799
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/24805
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/25608
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/29371
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/34274
Source: af854a3a-2127-422b-91ae-364da2661108
http://security.freebsd.org/advisories/FreeBSD-SA-06%3A22.openssh.asc
Source: af854a3a-2127-422b-91ae-364da2661108
http://security.gentoo.org/glsa/glsa-200609-17.xml
Source: af854a3a-2127-422b-91ae-364da2661108
http://security.gentoo.org/glsa/glsa-200611-06.xml
Source: af854a3a-2127-422b-91ae-364da2661108
http://securitytracker.com/id?1016931
Source: af854a3a-2127-422b-91ae-364da2661108
http://slackware.com/security/viewer.php?l=slackware-security&y=2006&m=slackware-security.592566
Source: af854a3a-2127-422b-91ae-364da2661108
http://sourceforge.net/forum/forum.php?forum_id=681763
Source: af854a3a-2127-422b-91ae-364da2661108
http://sourceforge.net/project/shownotes.php?release_id=461863&group_id=69227
Source: af854a3a-2127-422b-91ae-364da2661108
http://sunsolve.sun.com/search/document.do?assetkey=1-26-102962-1
Source: af854a3a-2127-422b-91ae-364da2661108
http://support.avaya.com/elmodocs2/security/ASA-2006-216.htm
Source: af854a3a-2127-422b-91ae-364da2661108
http://support.avaya.com/elmodocs2/security/ASA-2006-262.htm
Source: af854a3a-2127-422b-91ae-364da2661108
http://www-unix.globus.org/mail_archive/security-announce/2007/04/msg00000.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.debian.org/security/2006/dsa-1189
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
http://www.debian.org/security/2006/dsa-1212
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
http://www.kb.cert.org/vuls/id/787448
Source: af854a3a-2127-422b-91ae-364da2661108
US Government Resource
http://www.mandriva.com/security/advisories?name=MDKSA-2006:179
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.novell.com/linux/security/advisories/2006_24_sr.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.novell.com/linux/security/advisories/2006_62_openssh.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.openbsd.org/errata.html#ssh
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.openpkg.org/security/advisories/OpenPKG-SA-2006.022-openssh.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.osvdb.org/29152
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.redhat.com/support/errata/RHSA-2006-0697.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.redhat.com/support/errata/RHSA-2006-0698.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/archive/1/447153/100/0/threaded
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/bid/20216
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Patch
http://www.trustix.org/errata/2006/0054
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/usn-355-1
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.us-cert.gov/cas/techalerts/TA07-072A.html
Source: af854a3a-2127-422b-91ae-364da2661108
US Government Resource
http://www.vmware.com/support/vi3/doc/esx-3069097-patch.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.vmware.com/support/vi3/doc/esx-9986131-patch.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.vupen.com/english/advisories/2006/3777
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.vupen.com/english/advisories/2006/4401
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.vupen.com/english/advisories/2006/4869
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.vupen.com/english/advisories/2007/0930
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.vupen.com/english/advisories/2007/1332
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.vupen.com/english/advisories/2007/2119
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.vupen.com/english/advisories/2009/0740
Source: af854a3a-2127-422b-91ae-364da2661108
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=207955
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/29158
Source: af854a3a-2127-422b-91ae-364da2661108
https://hypersonic.bluecoat.com/support/securityadvisories/ssh_server_on_sg
Source: af854a3a-2127-422b-91ae-364da2661108
https://issues.rpath.com/browse/RPL-661
Source: af854a3a-2127-422b-91ae-364da2661108
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10462
Source: af854a3a-2127-422b-91ae-364da2661108
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1193
Source: af854a3a-2127-422b-91ae-364da2661108

158 reference(s) from NVD

Quick Stats

CVSS v3 Score
N/A / 10.0
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-399

Affected Vendors

openbsd

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