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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.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade krb5 | Jul 30, 2024 | Oct 20, 2011 |
| Gentoo Linux | — | Upgrade app-crypt/mit-krb5. | Oct 30, 2017 | Oct 20, 2011 |
| Oracle_linux | — | Upgrade krb5-serverUpgrade krb5-workstationUpgrade krb5-pkinit-opensslUpgrade krb5-develUpgrade krb5-server-ldapUpgrade krb5-libs | Oct 16, 2024 | Oct 20, 2011 |
| Suse | — | Upgrade krb5-plugin-kdb-ldapUpgrade krb5-plugin-preauth-pkinitUpgrade krb5-docUpgrade krb5-clientUpgrade krb5-plugin-preauth-spakeUpgrade krb5-develUpgrade krb5Upgrade krb5-32bitUpgrade krb5-plugin-preauth-otpUpgrade krb5-server | Aug 9, 2024 | Jun 28, 2013 |
| Ubuntu | — | Upgrade krb5-kdcUpgrade krb5-kdc-ldap | Nov 8, 2024 | Oct 20, 2011 |
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