CVE-2006-5051

8.1 HIGH
Published: September 27, 2006 Modified: April 23, 2026
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

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

116 reference(s) from NVD

Quick Stats

CVSS v3 Score
8.1 / 10.0
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-415

Affected Vendors

debian openbsd apple

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