CVE-2006-5051

high

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.

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/29254

http://www.us-cert.gov/cas/techalerts/TA07-072A.html

http://www.ubuntu.com/usn/usn-355-1

http://www.redhat.com/support/errata/RHSA-2006-0698.html

http://www.redhat.com/support/errata/RHSA-2006-0697.html

http://www.openpkg.org/security/advisories/OpenPKG-SA-2006.022-openssh.html

http://www.openbsd.org/errata.html#ssh

http://www.novell.com/linux/security/advisories/2006_62_openssh.html

http://www.mandriva.com/security/advisories?name=MDKSA-2006:179

http://www.kb.cert.org/vuls/id/851340

http://www.debian.org/security/2006/dsa-1212

http://www.debian.org/security/2006/dsa-1189

http://support.avaya.com/elmodocs2/security/ASA-2006-216.htm

http://slackware.com/security/viewer.php?l=slackware-security&y=2006&m=slackware-security.592566

http://security.gentoo.org/glsa/glsa-200611-06.xml

http://security.freebsd.org/advisories/FreeBSD-SA-06%3A22.openssh.asc

http://lists.apple.com/archives/security-announce/2007/Mar/msg00002.html

https://www.cisa.gov/news-events/ics-advisories/icsa-24-256-15

https://www.openwall.com/lists/oss-security/2024/07/28/3

https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11387

http://www.vupen.com/english/advisories/2007/1332

http://www.vupen.com/english/advisories/2007/0930

http://www.vupen.com/english/advisories/2006/4329

http://www.vupen.com/english/advisories/2006/4018

http://www.vmware.com/support/vi3/doc/esx-9986131-patch.html

http://www.vmware.com/support/vi3/doc/esx-3069097-patch.html

http://www.securityfocus.com/bid/20241

http://www.osvdb.org/29264

http://www.openwall.com/lists/oss-security/2024/07/28/3

http://www.openwall.com/lists/oss-security/2024/07/01/3

http://www.arkoon.fr/upload/alertes/43AK-2006-09-FR-1.0_SSL360_OPENSSH.pdf

http://www.arkoon.fr/upload/alertes/36AK-2006-07-FR-1.0_FAST360_OPENSSH.pdf

http://www-unix.globus.org/mail_archive/security-announce/2007/04/msg00000.html

http://sourceforge.net/forum/forum.php?forum_id=681763

http://securitytracker.com/id?1016940

http://secunia.com/advisories/24805

http://secunia.com/advisories/24799

http://secunia.com/advisories/24479

http://secunia.com/advisories/23680

http://secunia.com/advisories/22926

http://secunia.com/advisories/22823

http://secunia.com/advisories/22495

http://secunia.com/advisories/22487

http://secunia.com/advisories/22362

http://secunia.com/advisories/22352

http://secunia.com/advisories/22270

http://secunia.com/advisories/22245

http://secunia.com/advisories/22236

http://secunia.com/advisories/22208

http://secunia.com/advisories/22196

http://secunia.com/advisories/22183

http://secunia.com/advisories/22173

http://secunia.com/advisories/22158

http://openssh.org/txt/release-4.4

http://marc.info/?l=openssh-unix-dev&m=115939141729160&w=2

http://lists.freebsd.org/pipermail/freebsd-security/2006-October/004051.html

http://docs.info.apple.com/article.html?artnum=305214

Details

Source: Mitre, NVD

Published: 2006-09-27

Updated: 2025-04-09

Named Vulnerability: regreSSHionNamed Vulnerability: RegreSSHion

Risk Information

CVSS v2

Base Score: 9.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 8.1

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.03832