CVE-2006-6493

Severity

51%

Complexity

49%

Confidentiality

106%

Successful exploitation requires that OpenLDAP allows the use of the LDAPv2 protocol, and is compiled with the --enable-kbind (Kerberos KBIND) option which has been disabled by default since version 2.0.2 and was removed from the configure script in the 2.1 release.

Buffer overflow in the krbv4_ldap_auth function in servers/slapd/kerberos.c in OpenLDAP 2.4.3 and earlier, when OpenLDAP is compiled with the --enable-kbind (Kerberos KBIND) option, allows remote attackers to execute arbitrary code via an LDAP bind request using the LDAP_AUTH_KRBV41 authentication method and long credential data.

Successful exploitation requires that OpenLDAP allows the use of the LDAPv2 protocol, and is compiled with the --enable-kbind (Kerberos KBIND) option which has been disabled by default since version 2.0.2 and was removed from the configure script in the 2.1 release.

CVSS 2.0 Base Score 5.1. CVSS Attack Vector: network. CVSS Attack Complexity: high. CVSS Vector: (AV:N/AC:H/Au:N/C:P/I:P/A:P).

Overview

Type

OpenLDAP

First reported 18 years ago

2006-12-13 00:28:00

Last updated 13 years ago

2011-03-08 02:46:00

Affected Software

OpenLDAP 2.0

2.0

OpenLDAP OpenLDAP

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