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CVE-2006-5051 Detail

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.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

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

Evaluator Impact

Successful code execution exploitation requires that GSSAPI authentication is enabled.

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 [email protected].

URL Source(s) Tag(s)
ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-06:22.openssh.asc CVE, Inc., Red Hat Broken Link 
ftp://patches.sgi.com/support/free/security/advisories/20061001-01-P.asc CVE, Inc., Red Hat Broken Link 
http://docs.info.apple.com/article.html?artnum=305214 CVE, Inc., Red Hat Broken Link 
http://lists.apple.com/archives/security-announce/2007/Mar/msg00002.html CVE, Inc., Red Hat Mailing List 
http://lists.freebsd.org/pipermail/freebsd-security/2006-October/004051.html CVE, Inc., Red Hat Mailing List 
http://marc.info/?l=openssh-unix-dev&m=115939141729160&w=2 CVE, Inc., Red Hat Mailing List 
http://openssh.org/txt/release-4.4 CVE, Inc., Red Hat Release Notes 
http://secunia.com/advisories/22158 CVE, Inc., Red Hat Broken Link  Vendor Advisory 
http://secunia.com/advisories/22173 CVE, Inc., Red Hat Broken Link  Vendor Advisory 
http://secunia.com/advisories/22183 CVE, Inc., Red Hat Broken Link  Vendor Advisory 
http://secunia.com/advisories/22196 CVE, Inc., Red Hat Broken Link  Vendor Advisory 
http://secunia.com/advisories/22208 CVE, Inc., Red Hat Broken Link  Vendor Advisory 
http://secunia.com/advisories/22236 CVE, Inc., Red Hat Broken Link  Vendor Advisory 
http://secunia.com/advisories/22245 CVE, Inc., Red Hat Broken Link  Vendor Advisory 
http://secunia.com/advisories/22270 CVE, Inc., Red Hat Broken Link  Vendor Advisory 
http://secunia.com/advisories/22352 CVE, Inc., Red Hat Broken Link  Vendor Advisory 
http://secunia.com/advisories/22362 CVE, Inc., Red Hat Broken Link  Vendor Advisory 
http://secunia.com/advisories/22487 CVE, Inc., Red Hat Broken Link  Vendor Advisory 
http://secunia.com/advisories/22495 CVE, Inc., Red Hat Broken Link 
http://secunia.com/advisories/22823 CVE, Inc., Red Hat Broken Link  Vendor Advisory 
http://secunia.com/advisories/22926 CVE, Inc., Red Hat Broken Link  Vendor Advisory 
http://secunia.com/advisories/23680 CVE, Inc., Red Hat Broken Link  Vendor Advisory 
http://secunia.com/advisories/24479 CVE, Inc., Red Hat Broken Link  Vendor Advisory 
http://secunia.com/advisories/24799 CVE, Inc., Red Hat Broken Link  Vendor Advisory 
http://secunia.com/advisories/24805 CVE, Inc., Red Hat Broken Link  Vendor Advisory 
http://security.freebsd.org/advisories/FreeBSD-SA-06%3A22.openssh.asc CVE, Inc., Red Hat Third Party Advisory 
http://security.gentoo.org/glsa/glsa-200611-06.xml CVE, Inc., Red Hat Third Party Advisory 
http://securitytracker.com/id?1016940 CVE, Inc., Red Hat Broken Link  Third Party Advisory  VDB Entry 
http://slackware.com/security/viewer.php?l=slackware-security&y=2006&m=slackware-security.592566 CVE, Inc., Red Hat Broken Link 
http://sourceforge.net/forum/forum.php?forum_id=681763 CVE, Inc., Red Hat Broken Link 
http://support.avaya.com/elmodocs2/security/ASA-2006-216.htm CVE, Inc., Red Hat Third Party Advisory 
http://www-unix.globus.org/mail_archive/security-announce/2007/04/msg00000.html CVE, Inc., Red Hat Broken Link 
http://www.arkoon.fr/upload/alertes/36AK-2006-07-FR-1.0_FAST360_OPENSSH.pdf CVE, Inc., Red Hat Broken Link 
http://www.arkoon.fr/upload/alertes/43AK-2006-09-FR-1.0_SSL360_OPENSSH.pdf CVE, Inc., Red Hat Broken Link 
http://www.debian.org/security/2006/dsa-1189 CVE, Inc., Red Hat Mailing List 
http://www.debian.org/security/2006/dsa-1212 CVE, Inc., Red Hat Broken Link 
http://www.kb.cert.org/vuls/id/851340 CVE, Inc., Red Hat Third Party Advisory  US Government Resource 
http://www.mandriva.com/security/advisories?name=MDKSA-2006:179 CVE, Inc., Red Hat Third Party Advisory 
http://www.novell.com/linux/security/advisories/2006_62_openssh.html CVE, Inc., Red Hat Broken Link 
http://www.openbsd.org/errata.html#ssh CVE, Inc., Red Hat Release Notes 
http://www.openpkg.org/security/advisories/OpenPKG-SA-2006.022-openssh.html CVE, Inc., Red Hat Broken Link 
http://www.openwall.com/lists/oss-security/2024/07/01/3 CVE, Inc., Red Hat
http://www.openwall.com/lists/oss-security/2024/07/28/3 CVE, Inc., Red Hat
http://www.osvdb.org/29264 CVE, Inc., Red Hat Broken Link 
http://www.redhat.com/support/errata/RHSA-2006-0697.html CVE, Inc., Red Hat Broken Link 
http://www.redhat.com/support/errata/RHSA-2006-0698.html CVE, Inc., Red Hat Broken Link 
http://www.securityfocus.com/bid/20241 CVE, Inc., Red Hat Broken Link  Third Party Advisory  VDB Entry 
http://www.ubuntu.com/usn/usn-355-1 CVE, Inc., Red Hat Broken Link 
http://www.us-cert.gov/cas/techalerts/TA07-072A.html CVE, Inc., Red Hat Third Party Advisory  US Government Resource 
http://www.vmware.com/support/vi3/doc/esx-3069097-patch.html CVE, Inc., Red Hat Broken Link 
http://www.vmware.com/support/vi3/doc/esx-9986131-patch.html CVE, Inc., Red Hat Broken Link 
http://www.vupen.com/english/advisories/2006/4018 CVE, Inc., Red Hat Broken Link 
http://www.vupen.com/english/advisories/2006/4329 CVE, Inc., Red Hat Broken Link 
http://www.vupen.com/english/advisories/2007/0930 CVE, Inc., Red Hat Broken Link 
http://www.vupen.com/english/advisories/2007/1332 CVE, Inc., Red Hat Broken Link 
https://exchange.xforce.ibmcloud.com/vulnerabilities/29254 CVE, Inc., Red Hat Third Party Advisory  VDB Entry 
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11387 CVE, Inc., Red Hat Broken Link 
https://www.openwall.com/lists/oss-security/2024/07/28/3 CVE, Inc., Red Hat

Weakness Enumeration

CWE-ID CWE Name Source
CWE-415 Double Free cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

11 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2006-5051
NVD Published Date:
09/27/2006
NVD Last Modified:
04/08/2025
Source:
Red Hat, Inc.