NULL Pointer Dereference in MIT Kerberos 5 (krb5) Plugin

CVE-2018-5710 · MEDIUM Severity

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

An issue was discovered in MIT Kerberos 5 (aka krb5) through 1.16. The pre-defined function "strlen" is getting a "NULL" string as a parameter value in plugins/kdb/ldap/libkdb_ldap/ldap_principal2.c in the Key Distribution Center (KDC), which allows remote authenticated users to cause a denial of service (NULL pointer dereference) via a modified kadmin client.

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