Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2006-6493

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
13/12/2006
Last modified:
09/04/2025

Description

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.

Impact

Vector 2.0
AV:N/AC:H/Au:N/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 5.10 MEDIUM
Vector: AV:N/AC:H/Au:N/C:P/I:P/A:P

Attack Vector (AV): Network
Attack Complexity (AC): High
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): Physical

Base Score 2.0
5.10
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:openldap:openldap:*:*:*:*:*:*:*:* 2.4.3 (including)
cpe:2.3:a:openldap:openldap:1.0:*:*:*:*:*:*:*
cpe:2.3:a:openldap:openldap:1.0.1:*:*:*:*:*:*:*
cpe:2.3:a:openldap:openldap:1.0.2:*:*:*:*:*:*:*
cpe:2.3:a:openldap:openldap:1.0.3:*:*:*:*:*:*:*
cpe:2.3:a:openldap:openldap:1.1:*:*:*:*:*:*:*
cpe:2.3:a:openldap:openldap:1.1.0:*:*:*:*:*:*:*
cpe:2.3:a:openldap:openldap:1.1.1:*:*:*:*:*:*:*
cpe:2.3:a:openldap:openldap:1.1.2:*:*:*:*:*:*:*
cpe:2.3:a:openldap:openldap:1.1.3:*:*:*:*:*:*:*
cpe:2.3:a:openldap:openldap:1.1.4:*:*:*:*:*:*:*
cpe:2.3:a:openldap:openldap:1.2:*:*:*:*:*:*:*
cpe:2.3:a:openldap:openldap:1.2.0:*:*:*:*:*:*:*
cpe:2.3:a:openldap:openldap:1.2.1:*:*:*:*:*:*:*
cpe:2.3:a:openldap:openldap:1.2.2:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools