CVE-2006-5051

moderate-risk
Published 2006-09-27

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.

Do I need to act?

~
2.6% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.1/10 High
NETWORK / HIGH complexity

Affected Products (4)

Affected Vendors

Debian Openbsd Apple

References (116)

Broken Link ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-06:22.openssh.asc
Broken Link ftp://patches.sgi.com/support/free/security/advisories/20061001-01-P.asc
Broken Link http://docs.info.apple.com/article.html?artnum=305214
Mailing List http://lists.apple.com/archives/security-announce/2007/Mar/msg00002.html
Mailing List http://lists.freebsd.org/pipermail/freebsd-security/2006-October/004051.html
Mailing List http://marc.info/?l=openssh-unix-dev&m=115939141729160&w=2
Release Notes http://openssh.org/txt/release-4.4
Broken Link http://secunia.com/advisories/22158
Broken Link http://secunia.com/advisories/22173
Broken Link http://secunia.com/advisories/22183
Broken Link http://secunia.com/advisories/22196
Broken Link http://secunia.com/advisories/22208
Broken Link http://secunia.com/advisories/22236
Broken Link http://secunia.com/advisories/22245
Broken Link http://secunia.com/advisories/22270
Broken Link http://secunia.com/advisories/22352
Broken Link http://secunia.com/advisories/22362
Broken Link http://secunia.com/advisories/22487
Broken Link http://secunia.com/advisories/22495
Broken Link http://secunia.com/advisories/22823
and 96 more references
40
/ 100
moderate-risk
Severity 24/34 · High
Exploitability 6/34 · Minimal
Exposure 10/34 · Low