Race condition in OpenSSH - CVE-2006-5051
Published: July 1, 2024 / Updated: January 8, 2025
Vulnerability identifier: #VU93515
CSH Severity: Critical
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Red
CVE-ID: CVE-2006-5051
CWE-ID: CWE-362
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: OpenSSH
Affected software:
OpenSSH
OpenSSH
Detailed vulnerability description
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to a race condition in sshd when GSSAPI authentication is enabled. A remote attacker can send specially crafted requests to the daemon, trigger a race condition and execute arbitrary code on the system.
How to mitigate CVE-2006-5051
Install updates from vendor's website.
Sources
- ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-06:22.openssh.asc
- http://www.redhat.com/support/errata/RHSA-2006-0698.html
- http://www.redhat.com/support/errata/RHSA-2006-0697.html
- http://slackware.com/security/viewer.php?l=slackware-security&y=2006&m=slackware-security.592566
- http://www.ubuntu.com/usn/usn-355-1
- http://www.securityfocus.com/bid/20241
- http://securitytracker.com/id?1016940
- http://secunia.com/advisories/22158
- http://secunia.com/advisories/22173
- http://secunia.com/advisories/22183
- http://secunia.com/advisories/22196
- http://secunia.com/advisories/22236
- http://lists.freebsd.org/pipermail/freebsd-security/2006-October/004051.html
- http://www.debian.org/security/2006/dsa-1189
- http://security.freebsd.org/advisories/FreeBSD-SA-06%3A22.openssh.asc
- http://www.kb.cert.org/vuls/id/851340
- http://secunia.com/advisories/22270
- http://secunia.com/advisories/22208
- http://secunia.com/advisories/22245
- http://www.arkoon.fr/upload/alertes/36AK-2006-07-FR-1.0_FAST360_OPENSSH.pdf
- http://www.openbsd.org/errata.html#ssh
- http://secunia.com/advisories/22352
- http://support.avaya.com/elmodocs2/security/ASA-2006-216.htm
- http://www.openpkg.org/security/advisories/OpenPKG-SA-2006.022-openssh.html
- http://secunia.com/advisories/22362
- http://www.novell.com/linux/security/advisories/2006_62_openssh.html
- http://secunia.com/advisories/22495
- http://www.arkoon.fr/upload/alertes/43AK-2006-09-FR-1.0_SSL360_OPENSSH.pdf
- ftp://patches.sgi.com/support/free/security/advisories/20061001-01-P.asc
- http://secunia.com/advisories/22487
- http://security.gentoo.org/glsa/glsa-200611-06.xml
- http://secunia.com/advisories/22823
- http://www.debian.org/security/2006/dsa-1212
- http://secunia.com/advisories/22926
- http://www.vmware.com/support/vi3/doc/esx-3069097-patch.html
- http://www.vmware.com/support/vi3/doc/esx-9986131-patch.html
- http://secunia.com/advisories/23680
- http://docs.info.apple.com/article.html?artnum=305214
- http://secunia.com/advisories/24479
- http://www-unix.globus.org/mail_archive/security-announce/2007/04/msg00000.html
- http://secunia.com/advisories/24805
- http://openssh.org/txt/release-4.4
- http://www.osvdb.org/29264
- http://sourceforge.net/forum/forum.php?forum_id=681763
- http://lists.apple.com/archives/security-announce/2007/Mar/msg00002.html
- http://www.mandriva.com/security/advisories?name=MDKSA-2006:179
- http://www.us-cert.gov/cas/techalerts/TA07-072A.html
- http://secunia.com/advisories/24799
- http://www.vupen.com/english/advisories/2007/0930
- http://www.vupen.com/english/advisories/2007/1332
- http://www.vupen.com/english/advisories/2006/4329
- http://www.vupen.com/english/advisories/2006/4018
- http://marc.info/?l=openssh-unix-dev&m=115939141729160&w=2
- https://exchange.xforce.ibmcloud.com/vulnerabilities/29254
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11387