CVE-2010-4022

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2011-02-10 · updated 2026-06-16
Weakness: CWE-20

Description

The do_standalone function in the MIT krb5 KDC database propagation daemon (kpropd) in Kerberos 1.7, 1.8, and 1.9, when running in standalone mode, does not properly handle when a worker child process "exits abnormally," which allows remote attackers to cause a denial of service (listening process termination, no new connections, and lack of updates in slave KVC) via unspecified vectors.

Affected products

MIT Kerberos 5: 1.7, 1.8, 1.9

References

http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00004.html
http://secunia.com/advisories/43260
http://secunia.com/advisories/43275
http://securityreason.com/securityalert/8070
http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2011-001.txt
http://www.mandriva.com/security/advisories?name=MDVSA-2011:025
http://www.redhat.com/support/errata/RHSA-2011-0200.html
http://www.securityfocus.com/archive/1/516286/100/0/threaded
http://www.securityfocus.com/bid/46269
http://www.securitytracker.com/id?1025035
http://www.vupen.com/english/advisories/2011/0329
http://www.vupen.com/english/advisories/2011/0333

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