CVE-2011-1530

Severity: medium (CVSS 6.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2011-12-08 · updated 2026-06-16
Weakness: CWE-399

Description

The process_tgs_req function in do_tgs_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.9 through 1.9.2 allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted TGS request that triggers an error other than the KRB5_KDB_NOENTRY error.

Affected products

Mit Kerberos: 5.1.9, 5.1.9.1, 5.1.9.2

References

http://secunia.com/advisories/47124
http://securitytracker.com/id?1026374
http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2011-007.txt
http://www.mandriva.com/security/advisories?name=MDVSA-2011:184
http://www.redhat.com/support/errata/RHSA-2011-1790.html
http://www.securityfocus.com/archive/1/520756/100/0/threaded
http://www.securityfocus.com/bid/50929
https://exchange.xforce.ibmcloud.com/vulnerabilities/71655
http://secunia.com/advisories/47124
http://securitytracker.com/id?1026374
http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2011-007.txt
http://www.mandriva.com/security/advisories?name=MDVSA-2011:184

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