CVE-2006-6493: Buffer Overflow

Published Dec 13, 2006
·
Updated

Buffer overflow in the krbv4ldapauth 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 LDAPAUTHKRBV41 authentication method and long credential data.

Affected Software

119 affected components
openldap OpenLDAP=2.0.2
openldap OpenLDAP=2.0.11_11
openldap OpenLDAP=2.1.15
openldap OpenLDAP=2.1.10
openldap OpenLDAP=2.2.4
openldap OpenLDAP=2.2.22
openldap OpenLDAP=2.1.29
openldap OpenLDAP=2.2.18
openldap OpenLDAP=2.1.9
openldap OpenLDAP=1.2.6
openldap OpenLDAP=1.1.2
openldap OpenLDAP=2.0.22
openldap OpenLDAP=2.0.9
openldap OpenLDAP=2.2.0
openldap OpenLDAP=2.1.19
openldap OpenLDAP=1.0
openldap OpenLDAP=1.2.7
openldap OpenLDAP=2.2.12
openldap OpenLDAP=2.2.20
openldap OpenLDAP=2.0.15
openldap OpenLDAP=2.2.13
openldap OpenLDAP=2.1.30
openldap OpenLDAP=2.0.26
openldap OpenLDAP=2.1.5
openldap OpenLDAP=2.1.14
openldap OpenLDAP=2.1.21
openldap OpenLDAP=1.0.2
openldap OpenLDAP=2.1.24
openldap OpenLDAP=2.1.20
openldap OpenLDAP=2.0.14
openldap OpenLDAP=2.0.7
openldap OpenLDAP=1.2.11
openldap OpenLDAP=1.1.0
openldap OpenLDAP=2.0.13
openldap OpenLDAP=2.0.27
openldap OpenLDAP=2.0.11_9
openldap OpenLDAP=2.2.9
openldap OpenLDAP=2.1.26
openldap OpenLDAP=2.2.27
openldap OpenLDAP=2.1.17
openldap OpenLDAP=2.1.2
openldap OpenLDAP=2.2.14
openldap OpenLDAP=2.1.6
openldap OpenLDAP=2.0.3
openldap OpenLDAP=2.2.10
openldap OpenLDAP=2.2.7
openldap OpenLDAP=1.2.12
openldap OpenLDAP=2.0.25
openldap OpenLDAP=2.1.12
openldap OpenLDAP=2.0.12
openldap OpenLDAP=2.1_.20
openldap OpenLDAP=2.2.24
openldap OpenLDAP=1.2.1
openldap OpenLDAP=1.1.4
openldap OpenLDAP=1.1
openldap OpenLDAP=1.2.10
openldap OpenLDAP=2.0.24
openldap OpenLDAP=1.1.1
openldap OpenLDAP=2.0.20
openldap OpenLDAP=1.2.2
openldap OpenLDAP=2.3.28_e1.0.0
openldap OpenLDAP=1.0.1
openldap OpenLDAP=1.2.4
openldap OpenLDAP=2.0.4
openldap OpenLDAP=2.0.16
openldap OpenLDAP=2.2.5
openldap OpenLDAP=2.2.6
openldap OpenLDAP=2.1.25
openldap OpenLDAP=1.2.8
openldap OpenLDAP=2.1.27
openldap OpenLDAP<=2.4.3
openldap OpenLDAP=2.0.11_11s
openldap OpenLDAP=1.2.9
openldap OpenLDAP=2.0.19
openldap OpenLDAP=2.2.21
openldap OpenLDAP=2.1.8
openldap OpenLDAP=2.2.28_r2
openldap OpenLDAP=2.3.27_2_2006-10-18
openldap OpenLDAP=2.2.1
openldap OpenLDAP=1.2.13
openldap OpenLDAP=2.0.10
openldap OpenLDAP=2.1.7
openldap OpenLDAP=2.0.1
openldap OpenLDAP=2.2.15
openldap OpenLDAP=2.0
openldap OpenLDAP=2.0.23
openldap OpenLDAP=1.2.5
openldap OpenLDAP=2.2.11
openldap OpenLDAP=1.0.3
openldap OpenLDAP=2.2.17
openldap OpenLDAP=2.1.3
openldap OpenLDAP=2.2.23
openldap OpenLDAP=2.3.28_2006-10-22
openldap OpenLDAP=2.1.11
openldap OpenLDAP=2.0.8
openldap OpenLDAP=2.1.13
openldap OpenLDAP=2.2.25
openldap OpenLDAP=2.1.23
openldap OpenLDAP=2.0.18
openldap OpenLDAP=1.2
openldap OpenLDAP=2.1.16
openldap OpenLDAP=2.1.28
openldap OpenLDAP=2.1.22
openldap OpenLDAP=2.0.5
openldap OpenLDAP=2.2.8
openldap OpenLDAP=2.3.28_2_2006-10-22
openldap OpenLDAP=1.1.3
openldap OpenLDAP=2.0.11
openldap OpenLDAP=2.2.26
openldap OpenLDAP=2.0.6
openldap OpenLDAP=2.0.17
openldap OpenLDAP=2.2.19
openldap OpenLDAP=2.1.4
openldap OpenLDAP=1.2.3
openldap OpenLDAP=2.1.18
openldap OpenLDAP=2.2.16
openldap OpenLDAP=2.0.0
openldap OpenLDAP=2.0.21
openldap OpenLDAP=1.2.0

Event History

Dec 13, 2006
CVE Published
12:28 AM
Data Sourced
via NVD·12:28 AM
DescriptionSeverityAffected Software
CVE Published
via MITRE·05:00 AM
Data Sourced
via MITRE·05:00 AM
Description

Frequently Asked Questions

1

What is the severity of CVE-2006-6493?

CVE-2006-6493 is classified as a critical vulnerability due to its potential for remote code execution.

2

How do I fix CVE-2006-6493?

To fix CVE-2006-6493, update to a version of OpenLDAP later than 2.4.3 that does not use the --enable-kbind option.

3

Which versions of OpenLDAP are affected by CVE-2006-6493?

CVE-2006-6493 affects OpenLDAP versions 2.4.3 and earlier when compiled with the --enable-kbind option.

4

What type of attack does CVE-2006-6493 enable?

CVE-2006-6493 allows remote attackers to execute arbitrary code on affected OpenLDAP installations.

5

Is CVE-2006-6493 still a risk today?

If you are using an outdated version of OpenLDAP with the --enable-kbind option, CVE-2006-6493 remains a significant risk.

Contact

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