National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

    Vulnerabilities Detail

CVE-2006-4924 Detail

Current 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.

Source:  MITRE
Description Last Modified:  09/26/2006
View Analysis Description

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 7.8 HIGH
Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:C) (V2 legend)
Impact Subscore: 6.9
Exploitability Subscore: 10.0

Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Complete
Additional Information:
Allows disruption of service

Vendor Statements (disclaimer)

Official Statement from Red Hat (03/14/2007)

Red Hat Enterprise Linux 5 is not vulnerable to this issue as it contains a backported patch.

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to nvd@nist.gov.

Hyperlink Resource
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://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.debian.org/security/2006/dsa-1189 Patch
http://www.debian.org/security/2006/dsa-1212 Patch
http://www.kb.cert.org/vuls/id/787448 US 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.redhat.com/support/errata/RHSA-2006-0697.html
http://www.redhat.com/support/errata/RHSA-2006-0698.html
http://www.securityfocus.com/archive/1/archive/1/447153/100/0/threaded
http://www.securityfocus.com/bid/20216 Exploit Patch
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 US Government Resource
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 Patch Vendor Advisory
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/oval%3Aorg.mitre.oval%3Adef%3A10462
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1193

References to Check Content

Identifier:
oval:org.mitre.oval:def:10462
Check System:
http://oval.mitre.org/XMLSchema/oval-definitions-5
Hyperlink:
http://oval.mitre.org/repository/data/DownloadDefinition?id=oval:org.mitre.oval:def:10462
Identifier:
oval:org.mitre.oval:def:1193
Check System:
http://oval.mitre.org/XMLSchema/oval-definitions-5
Hyperlink:
http://oval.mitre.org/repository/data/DownloadDefinition?id=oval:org.mitre.oval:def:1193

Technical Details

Vulnerability Type (View All)

  • Resource Management Errors (CWE-399)

Vulnerable software and versions Switch to CPE 2.2

Configuration 1
OR
cpe:2.3:a:openbsd:openssh:1.2:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:1.2.1:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:1.2.2:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:1.2.3:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:1.2.27:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:2.1:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:2.1.1:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:2.2:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:2.3:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:2.5:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:2.5.1:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:2.5.2:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:2.9:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:2.9.9:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:2.9.9p2:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:2.9p1:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:2.9p2:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:3.0:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:3.0.1:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:3.0.1p1:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:3.0.2:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:3.0.2p1:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:3.0p1:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:3.1:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:3.1p1:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:3.2:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:3.2.2:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:3.2.2p1:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:3.2.3p1:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:3.3:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:3.3p1:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:3.4:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:3.4p1:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:3.5:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:3.5p1:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:3.6:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:3.6.1:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:3.6.1p1:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:3.6.1p2:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:3.7:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:3.7.1:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:3.7.1p1:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:3.7.1p2:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:3.8:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:3.8.1:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:3.8.1p1:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:3.9:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:3.9.1:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:3.9.1p1:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:4.0:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:4.0p1:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:4.1p1:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:4.2:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:4.2p1:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:4.3:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:4.3p1:*:*:*:*:*:*:*

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History

5 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2006-4924
NVD Published Date:
09/26/2006
NVD Last Modified:
10/10/2017