The prep_reprocess_req function in kdc/do_tgs_req.c in the cross-realm referral implementation in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.7 before 1.7.1 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a ticket request.
http://secunia.com/advisories/37977
http://securitytracker.com/id?1023392
http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2009-003.txt
http://www.securityfocus.com/archive/1/508622/100/0/threaded
Source: MITRE
Published: 2009-12-29
Updated: 2020-01-21
Type: NVD-CWE-Other
Base Score: 5
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
Impact Score: 2.9
Exploitability Score: 10
Severity: MEDIUM