Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2006-5051

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.

Published

2006-09-27T23:07:00.000

Last Modified

2025-04-09T00:30:58.490

Status

Deferred

Source

[email protected]

Severity

CVSSv3.1: 8.1 (HIGH)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:C/I:C/A:C

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

8.6

Impact Score

10.0

Weaknesses

Type: Primary
CWE-415

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	openbsd	openssh	≤ 4.4	Yes
Operating System	debian	debian_linux	3.1	Yes
Operating System	apple	mac_os_x	< 10.3.9	Yes
Operating System	apple	mac_os_x	≤ 10.4.8	Yes
Operating System	apple	mac_os_x_server	< 10.3.9	Yes
Operating System	apple	mac_os_x_server	≤ 10.4.8	Yes

References

ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-06:22.openssh.asc Broken Link ([email protected])
ftp://patches.sgi.com/support/free/security/advisories/20061001-01-P.asc Broken Link ([email protected])
http://docs.info.apple.com/article.html?artnum=305214 Broken Link ([email protected])
http://lists.apple.com/archives/security-announce/2007/Mar/msg00002.html Mailing List ([email protected])
http://lists.freebsd.org/pipermail/freebsd-security/2006-October/004051.html Mailing List ([email protected])
http://marc.info/?l=openssh-unix-dev&m=115939141729160&w=2 Mailing List ([email protected])
http://openssh.org/txt/release-4.4 Release Notes ([email protected])
http://secunia.com/advisories/22158 Broken Link, Vendor Advisory ([email protected])
http://secunia.com/advisories/22173 Broken Link, Vendor Advisory ([email protected])
http://secunia.com/advisories/22183 Broken Link, Vendor Advisory ([email protected])
http://secunia.com/advisories/22196 Broken Link, Vendor Advisory ([email protected])
http://secunia.com/advisories/22208 Broken Link, Vendor Advisory ([email protected])
http://secunia.com/advisories/22236 Broken Link, Vendor Advisory ([email protected])
http://secunia.com/advisories/22245 Broken Link, Vendor Advisory ([email protected])
http://secunia.com/advisories/22270 Broken Link, Vendor Advisory ([email protected])
http://secunia.com/advisories/22352 Broken Link, Vendor Advisory ([email protected])
http://secunia.com/advisories/22362 Broken Link, Vendor Advisory ([email protected])
http://secunia.com/advisories/22487 Broken Link, Vendor Advisory ([email protected])
http://secunia.com/advisories/22495 Broken Link ([email protected])
http://secunia.com/advisories/22823 Broken Link, Vendor Advisory ([email protected])
http://secunia.com/advisories/22926 Broken Link, Vendor Advisory ([email protected])
http://secunia.com/advisories/23680 Broken Link, Vendor Advisory ([email protected])
http://secunia.com/advisories/24479 Broken Link, Vendor Advisory ([email protected])
http://secunia.com/advisories/24799 Broken Link, Vendor Advisory ([email protected])
http://secunia.com/advisories/24805 Broken Link, Vendor Advisory ([email protected])
http://security.freebsd.org/advisories/FreeBSD-SA-06%3A22.openssh.asc Third Party Advisory ([email protected])
http://security.gentoo.org/glsa/glsa-200611-06.xml Third Party Advisory ([email protected])
http://securitytracker.com/id?1016940 Broken Link, Third Party Advisory, VDB Entry ([email protected])
http://slackware.com/security/viewer.php?l=slackware-security&y=2006&m=slackware-security.592566 Broken Link ([email protected])
http://sourceforge.net/forum/forum.php?forum_id=681763 Broken Link ([email protected])
http://support.avaya.com/elmodocs2/security/ASA-2006-216.htm Third Party Advisory ([email protected])
http://www-unix.globus.org/mail_archive/security-announce/2007/04/msg00000.html Broken Link ([email protected])
http://www.arkoon.fr/upload/alertes/36AK-2006-07-FR-1.0_FAST360_OPENSSH.pdf Broken Link ([email protected])
http://www.arkoon.fr/upload/alertes/43AK-2006-09-FR-1.0_SSL360_OPENSSH.pdf Broken Link ([email protected])
http://www.debian.org/security/2006/dsa-1189 Mailing List ([email protected])
http://www.debian.org/security/2006/dsa-1212 Broken Link ([email protected])
http://www.kb.cert.org/vuls/id/851340 Third Party Advisory, US Government Resource ([email protected])
http://www.mandriva.com/security/advisories?name=MDKSA-2006:179 Third Party Advisory ([email protected])
http://www.novell.com/linux/security/advisories/2006_62_openssh.html Broken Link ([email protected])
http://www.openbsd.org/errata.html#ssh Release Notes ([email protected])
http://www.openpkg.org/security/advisories/OpenPKG-SA-2006.022-openssh.html Broken Link ([email protected])
http://www.openwall.com/lists/oss-security/2024/07/01/3 ([email protected])
http://www.openwall.com/lists/oss-security/2024/07/28/3 ([email protected])
http://www.osvdb.org/29264 Broken Link ([email protected])
http://www.redhat.com/support/errata/RHSA-2006-0697.html Broken Link ([email protected])
http://www.redhat.com/support/errata/RHSA-2006-0698.html Broken Link ([email protected])
http://www.securityfocus.com/bid/20241 Broken Link, Third Party Advisory, VDB Entry ([email protected])
http://www.ubuntu.com/usn/usn-355-1 Broken Link ([email protected])
http://www.us-cert.gov/cas/techalerts/TA07-072A.html Third Party Advisory, US Government Resource ([email protected])
http://www.vmware.com/support/vi3/doc/esx-3069097-patch.html Broken Link ([email protected])
http://www.vmware.com/support/vi3/doc/esx-9986131-patch.html Broken Link ([email protected])
http://www.vupen.com/english/advisories/2006/4018 Broken Link ([email protected])
http://www.vupen.com/english/advisories/2006/4329 Broken Link ([email protected])
http://www.vupen.com/english/advisories/2007/0930 Broken Link ([email protected])
http://www.vupen.com/english/advisories/2007/1332 Broken Link ([email protected])
https://exchange.xforce.ibmcloud.com/vulnerabilities/29254 Third Party Advisory, VDB Entry ([email protected])
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11387 Broken Link ([email protected])
https://www.openwall.com/lists/oss-security/2024/07/28/3 ([email protected])
ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-06:22.openssh.asc Broken Link (af854a3a-2127-422b-91ae-364da2661108)
ftp://patches.sgi.com/support/free/security/advisories/20061001-01-P.asc Broken Link (af854a3a-2127-422b-91ae-364da2661108)
http://docs.info.apple.com/article.html?artnum=305214 Broken Link (af854a3a-2127-422b-91ae-364da2661108)
http://lists.apple.com/archives/security-announce/2007/Mar/msg00002.html Mailing List (af854a3a-2127-422b-91ae-364da2661108)
http://lists.freebsd.org/pipermail/freebsd-security/2006-October/004051.html Mailing List (af854a3a-2127-422b-91ae-364da2661108)
http://marc.info/?l=openssh-unix-dev&m=115939141729160&w=2 Mailing List (af854a3a-2127-422b-91ae-364da2661108)
http://openssh.org/txt/release-4.4 Release Notes (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/22158 Broken Link, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/22173 Broken Link, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/22183 Broken Link, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/22196 Broken Link, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/22208 Broken Link, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/22236 Broken Link, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/22245 Broken Link, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/22270 Broken Link, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/22352 Broken Link, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/22362 Broken Link, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/22487 Broken Link, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/22495 Broken Link (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/22823 Broken Link, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/22926 Broken Link, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/23680 Broken Link, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/24479 Broken Link, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/24799 Broken Link, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/24805 Broken Link, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://security.freebsd.org/advisories/FreeBSD-SA-06%3A22.openssh.asc Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://security.gentoo.org/glsa/glsa-200611-06.xml Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://securitytracker.com/id?1016940 Broken Link, Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://slackware.com/security/viewer.php?l=slackware-security&y=2006&m=slackware-security.592566 Broken Link (af854a3a-2127-422b-91ae-364da2661108)
http://sourceforge.net/forum/forum.php?forum_id=681763 Broken Link (af854a3a-2127-422b-91ae-364da2661108)
http://support.avaya.com/elmodocs2/security/ASA-2006-216.htm Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www-unix.globus.org/mail_archive/security-announce/2007/04/msg00000.html Broken Link (af854a3a-2127-422b-91ae-364da2661108)
http://www.arkoon.fr/upload/alertes/36AK-2006-07-FR-1.0_FAST360_OPENSSH.pdf Broken Link (af854a3a-2127-422b-91ae-364da2661108)
http://www.arkoon.fr/upload/alertes/43AK-2006-09-FR-1.0_SSL360_OPENSSH.pdf Broken Link (af854a3a-2127-422b-91ae-364da2661108)
http://www.debian.org/security/2006/dsa-1189 Mailing List (af854a3a-2127-422b-91ae-364da2661108)
http://www.debian.org/security/2006/dsa-1212 Broken Link (af854a3a-2127-422b-91ae-364da2661108)
http://www.kb.cert.org/vuls/id/851340 Third Party Advisory, US Government Resource (af854a3a-2127-422b-91ae-364da2661108)
http://www.mandriva.com/security/advisories?name=MDKSA-2006:179 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.novell.com/linux/security/advisories/2006_62_openssh.html Broken Link (af854a3a-2127-422b-91ae-364da2661108)
http://www.openbsd.org/errata.html#ssh Release Notes (af854a3a-2127-422b-91ae-364da2661108)
http://www.openpkg.org/security/advisories/OpenPKG-SA-2006.022-openssh.html Broken Link (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2024/07/01/3 (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2024/07/28/3 (af854a3a-2127-422b-91ae-364da2661108)
http://www.osvdb.org/29264 Broken Link (af854a3a-2127-422b-91ae-364da2661108)
http://www.redhat.com/support/errata/RHSA-2006-0697.html Broken Link (af854a3a-2127-422b-91ae-364da2661108)
http://www.redhat.com/support/errata/RHSA-2006-0698.html Broken Link (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/20241 Broken Link, Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/usn-355-1 Broken Link (af854a3a-2127-422b-91ae-364da2661108)
http://www.us-cert.gov/cas/techalerts/TA07-072A.html Third Party Advisory, US Government Resource (af854a3a-2127-422b-91ae-364da2661108)
http://www.vmware.com/support/vi3/doc/esx-3069097-patch.html Broken Link (af854a3a-2127-422b-91ae-364da2661108)
http://www.vmware.com/support/vi3/doc/esx-9986131-patch.html Broken Link (af854a3a-2127-422b-91ae-364da2661108)
http://www.vupen.com/english/advisories/2006/4018 Broken Link (af854a3a-2127-422b-91ae-364da2661108)
http://www.vupen.com/english/advisories/2006/4329 Broken Link (af854a3a-2127-422b-91ae-364da2661108)
http://www.vupen.com/english/advisories/2007/0930 Broken Link (af854a3a-2127-422b-91ae-364da2661108)
http://www.vupen.com/english/advisories/2007/1332 Broken Link (af854a3a-2127-422b-91ae-364da2661108)
https://exchange.xforce.ibmcloud.com/vulnerabilities/29254 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11387 Broken Link (af854a3a-2127-422b-91ae-364da2661108)
https://www.openwall.com/lists/oss-security/2024/07/28/3 (af854a3a-2127-422b-91ae-364da2661108)