Description
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.
Published: 2011-10-20
Score: 7.8 High
EPSS: 2.6% Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

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Advisories
Source ID Title
EUVD EUVD EUVD-2011-1528 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.
Ubuntu USN Ubuntu USN USN-1233-1 Kerberos Vulnerabilities
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Mit Kerberos 5
Redhat Enterprise Linux
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-06T22:28:41.799Z

Reserved: 2011-03-29T00:00:00.000Z

Link: CVE-2011-1527

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2011-10-20T21:55:00.857

Modified: 2026-04-29T01:13:23.040

Link: CVE-2011-1527

cve-icon Redhat

Severity : Moderate

Publid Date: 2011-10-18T00:00:00Z

Links: CVE-2011-1527 - Bugzilla

cve-icon OpenCVE Enrichment

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Weaknesses