Vulnerability CVE-2006-6493
Published: 2006-12-12   Modified: 2012-02-12

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.

See advisories in our WLB2 database:
Topic
Author
Date
High
OpenLDAP kbind authentication buffer overflow
Solar Eclipse
14.12.2006

Type:

CWE-119

 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

CVSS2 => (AV:N/AC:H/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5.1/10
6.4/10
4.9/10
Exploit range
Attack complexity
Authentication
Remote
High
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Openldap -> Openldap 

 References:
http://www.vupen.com/english/advisories/2006/4964
http://www.securityfocus.com/archive/1/454181/30/0/threaded
http://www.phreedom.org/solar/exploits/openldap-kbind
http://secunia.com/advisories/23334
http://securityreason.com/securityalert/2023
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