CVE-2011-1527 in Kerberos

Summary

The kdb_ldap plugin in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.9 through 1.9.1, when the LDAP back end is used, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a kinit operation with incorrect string case for the realm, related to the is_principal_in_realm, krb5_set_error_message, krb5_ldap_get_principal, and process_as_req functions.

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• Reservation: 03/29/2011
• Disclosure: 10/20/2011
• Moderation: VulDB entry created
• Entries: 1: VDB-59176
• CPE: ready
• CWE: CWE-20 (Confirmed)
• CVSS: 7.5
• EPSS: 0.02618
• Activities: Very Low

Sources

• MITRE: https://www.cve.org/CVERecord?id=CVE-2011-1527
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2011-1527
• CVE Details: https://www.cvedetails.com/cve/CVE-2011-1527/