VULNERABILITY INTELLIGENCE

CVE-2013-1416

CVSS score4 MEDIUM
EPSS probability2.92%
CISA KEVNot currently listed
Published2013-04-19
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:S/C:N/I:N/A:P

Description

The prep_reprocess_req function in do_tgs_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.10.5 does not properly perform service-principal realm referral, which allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted TGS-REQ request.

Weakness classification

  • CWE-476: NULL Pointer Dereference

Primary references