Kerberos kadmind Vulnerability: Bypassing Authorization Check

CVE-2014-9422 · MEDIUM Severity

AV:N/AC:H/AU:S/C:P/I:P/A:C

The check_rpcsec_auth function in kadmin/server/kadm_rpc_svc.c in kadmind in MIT Kerberos 5 (aka krb5) through 1.11.5, 1.12.x through 1.12.2, and 1.13.x before 1.13.1 allows remote authenticated users to bypass a kadmin/* authorization check and obtain administrative access by leveraging access to a two-component principal with an initial "kadmind" substring, as demonstrated by a "ka/x" principal.

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