CVE-2006-5051 Detail

Current 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.


View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  N/A
NVD score not yet provided.


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have not published a CVSS score for this CVE at this time. NVD Analysts use publicly available information at the time of analysis to associate CVSS vector strings.

Evaluator Impact

Successful code execution exploitation requires that GSSAPI authentication is enabled.

Vendor Statements (disclaimer)

Official Statement fromRed 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

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Hyperlink Resource
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://security.freebsd.org/advisories/FreeBSD-SA-06%3A22.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-unix.globus.org/mail_archive/security-announce/2007/04/msg00000.html
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 US Government Resource 
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.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/bid/20241
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/2006/4018
http://www.vupen.com/english/advisories/2006/4329
http://www.vupen.com/english/advisories/2007/0930
http://www.vupen.com/english/advisories/2007/1332
https://exchange.xforce.ibmcloud.com/vulnerabilities/29254
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11387

Weakness Enumeration

CWE-ID CWE Name Source
CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') cwe source acceptance level NIST  

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Change History

5 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2006-5051
NVD Published Date:
09/27/2006
NVD Last Modified:
10/10/2017
Source:
MITRE