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CVE-2011-1527

Published: 18 October 2011

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.

Notes

AuthorNote
sbeattie
CRD Tuesday, 18 October 2011, at 14:00 US/Eastern time
krb5 1.9 only

Priority

Medium

Status

Package Release Status
krb5
Launchpad, Ubuntu, Debian
hardy Not vulnerable

lucid Not vulnerable

maverick Not vulnerable

natty Not vulnerable

oneiric
Released (1.9.1+dfsg-1ubuntu1.1)
upstream Needs triage

Patches:
upstream: http://web.mit.edu/kerberos/advisories/2011-006-patch-r18.txt