CVE-2006-6493: Buffer Overflow
First published: Wed Dec 13 2006(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Red Hat OpenLDAP Servers | =2.0.2 | |
| Red Hat OpenLDAP Servers | =2.0.11_11 | |
| Red Hat OpenLDAP Servers | =2.1.15 | |
| Red Hat OpenLDAP Servers | =2.1.10 | |
| Red Hat OpenLDAP Servers | =2.2.4 | |
| Red Hat OpenLDAP Servers | =2.2.22 | |
| Red Hat OpenLDAP Servers | =2.1.29 | |
| Red Hat OpenLDAP Servers | =2.2.18 | |
| Red Hat OpenLDAP Servers | =2.1.9 | |
| Red Hat OpenLDAP Servers | =1.2.6 | |
| Red Hat OpenLDAP Servers | =1.1.2 | |
| Red Hat OpenLDAP Servers | =2.0.22 | |
| Red Hat OpenLDAP Servers | =2.0.9 | |
| Red Hat OpenLDAP Servers | =2.2.0 | |
| Red Hat OpenLDAP Servers | =2.1.19 | |
| Red Hat OpenLDAP Servers | =1.0 | |
| Red Hat OpenLDAP Servers | =1.2.7 | |
| Red Hat OpenLDAP Servers | =2.2.12 | |
| Red Hat OpenLDAP Servers | =2.2.20 | |
| Red Hat OpenLDAP Servers | =2.0.15 | |
| Red Hat OpenLDAP Servers | =2.2.13 | |
| Red Hat OpenLDAP Servers | =2.1.30 | |
| Red Hat OpenLDAP Servers | =2.0.26 | |
| Red Hat OpenLDAP Servers | =2.1.5 | |
| Red Hat OpenLDAP Servers | =2.1.14 | |
| Red Hat OpenLDAP Servers | =2.1.21 | |
| Red Hat OpenLDAP Servers | =1.0.2 | |
| Red Hat OpenLDAP Servers | =2.1.24 | |
| Red Hat OpenLDAP Servers | =2.1.20 | |
| Red Hat OpenLDAP Servers | =2.0.14 | |
| Red Hat OpenLDAP Servers | =2.0.7 | |
| Red Hat OpenLDAP Servers | =1.2.11 | |
| Red Hat OpenLDAP Servers | =1.1.0 | |
| Red Hat OpenLDAP Servers | =2.0.13 | |
| Red Hat OpenLDAP Servers | =2.0.27 | |
| Red Hat OpenLDAP Servers | =2.0.11_9 | |
| Red Hat OpenLDAP Servers | =2.2.9 | |
| Red Hat OpenLDAP Servers | =2.1.26 | |
| Red Hat OpenLDAP Servers | =2.2.27 | |
| Red Hat OpenLDAP Servers | =2.1.17 | |
| Red Hat OpenLDAP Servers | =2.1.2 | |
| Red Hat OpenLDAP Servers | =2.2.14 | |
| Red Hat OpenLDAP Servers | =2.1.6 | |
| Red Hat OpenLDAP Servers | =2.0.3 | |
| Red Hat OpenLDAP Servers | =2.2.10 | |
| Red Hat OpenLDAP Servers | =2.2.7 | |
| Red Hat OpenLDAP Servers | =1.2.12 | |
| Red Hat OpenLDAP Servers | =2.0.25 | |
| Red Hat OpenLDAP Servers | =2.1.12 | |
| Red Hat OpenLDAP Servers | =2.0.12 | |
| Red Hat OpenLDAP Servers | =2.1_.20 | |
| Red Hat OpenLDAP Servers | =2.2.24 | |
| Red Hat OpenLDAP Servers | =1.2.1 | |
| Red Hat OpenLDAP Servers | =1.1.4 | |
| Red Hat OpenLDAP Servers | =1.1 | |
| Red Hat OpenLDAP Servers | =1.2.10 | |
| Red Hat OpenLDAP Servers | =2.0.24 | |
| Red Hat OpenLDAP Servers | =1.1.1 | |
| Red Hat OpenLDAP Servers | =2.0.20 | |
| Red Hat OpenLDAP Servers | =1.2.2 | |
| Red Hat OpenLDAP Servers | =2.3.28_e1.0.0 | |
| Red Hat OpenLDAP Servers | =1.0.1 | |
| Red Hat OpenLDAP Servers | =1.2.4 | |
| Red Hat OpenLDAP Servers | =2.0.4 | |
| Red Hat OpenLDAP Servers | =2.0.16 | |
| Red Hat OpenLDAP Servers | =2.2.5 | |
| Red Hat OpenLDAP Servers | =2.2.6 | |
| Red Hat OpenLDAP Servers | =2.1.25 | |
| Red Hat OpenLDAP Servers | =1.2.8 | |
| Red Hat OpenLDAP Servers | =2.1.27 | |
| Red Hat OpenLDAP Servers | <=2.4.3 | |
| Red Hat OpenLDAP Servers | =2.0.11_11s | |
| Red Hat OpenLDAP Servers | =1.2.9 | |
| Red Hat OpenLDAP Servers | =2.0.19 | |
| Red Hat OpenLDAP Servers | =2.2.21 | |
| Red Hat OpenLDAP Servers | =2.1.8 | |
| Red Hat OpenLDAP Servers | =2.2.28_r2 | |
| Red Hat OpenLDAP Servers | =2.3.27_2_2006-10-18 | |
| Red Hat OpenLDAP Servers | =2.2.1 | |
| Red Hat OpenLDAP Servers | =1.2.13 | |
| Red Hat OpenLDAP Servers | =2.0.10 | |
| Red Hat OpenLDAP Servers | =2.1.7 | |
| Red Hat OpenLDAP Servers | =2.0.1 | |
| Red Hat OpenLDAP Servers | =2.2.15 | |
| Red Hat OpenLDAP Servers | =2.0 | |
| Red Hat OpenLDAP Servers | =2.0.23 | |
| Red Hat OpenLDAP Servers | =1.2.5 | |
| Red Hat OpenLDAP Servers | =2.2.11 | |
| Red Hat OpenLDAP Servers | =1.0.3 | |
| Red Hat OpenLDAP Servers | =2.2.17 | |
| Red Hat OpenLDAP Servers | =2.1.3 | |
| Red Hat OpenLDAP Servers | =2.2.23 | |
| Red Hat OpenLDAP Servers | =2.3.28_2006-10-22 | |
| Red Hat OpenLDAP Servers | =2.1.11 | |
| Red Hat OpenLDAP Servers | =2.0.8 | |
| Red Hat OpenLDAP Servers | =2.1.13 | |
| Red Hat OpenLDAP Servers | =2.2.25 | |
| Red Hat OpenLDAP Servers | =2.1.23 | |
| Red Hat OpenLDAP Servers | =2.0.18 | |
| Red Hat OpenLDAP Servers | =1.2 | |
| Red Hat OpenLDAP Servers | =2.1.16 | |
| Red Hat OpenLDAP Servers | =2.1.28 | |
| Red Hat OpenLDAP Servers | =2.1.22 | |
| Red Hat OpenLDAP Servers | =2.0.5 | |
| Red Hat OpenLDAP Servers | =2.2.8 | |
| Red Hat OpenLDAP Servers | =2.3.28_2_2006-10-22 | |
| Red Hat OpenLDAP Servers | =1.1.3 | |
| Red Hat OpenLDAP Servers | =2.0.11 | |
| Red Hat OpenLDAP Servers | =2.2.26 | |
| Red Hat OpenLDAP Servers | =2.0.6 | |
| Red Hat OpenLDAP Servers | =2.0.17 | |
| Red Hat OpenLDAP Servers | =2.2.19 | |
| Red Hat OpenLDAP Servers | =2.1.4 | |
| Red Hat OpenLDAP Servers | =1.2.3 | |
| Red Hat OpenLDAP Servers | =2.1.18 | |
| Red Hat OpenLDAP Servers | =2.2.16 | |
| Red Hat OpenLDAP Servers | =2.0.0 | |
| Red Hat OpenLDAP Servers | =2.0.21 | |
| Red Hat OpenLDAP Servers | =1.2.0 |
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Reference Links
Frequently Asked Questions
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.
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.
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.
What type of attack does CVE-2006-6493 enable?
CVE-2006-6493 allows remote attackers to execute arbitrary code on affected OpenLDAP installations.
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.
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/author
- agent/weakness
- agent/severity
- agent/last-modified-date
- agent/references
- agent/first-publish-date
- agent/event
- agent/description
- agent/source
- agent/softwarecombine
- agent/tags
- collector/nvd-historical
- agent/software-canonical-lookup-request
- collector/nvd-index
- vendor/openldap
- canonical/red hat openldap servers
- version/red hat openldap servers/2.0.2
- version/red hat openldap servers/2.0.11_11
- version/red hat openldap servers/2.1.15
- version/red hat openldap servers/2.1.10
- version/red hat openldap servers/2.2.4
- version/red hat openldap servers/2.2.22
- version/red hat openldap servers/2.1.29
- version/red hat openldap servers/2.2.18
- version/red hat openldap servers/2.1.9
- version/red hat openldap servers/1.2.6
- version/red hat openldap servers/1.1.2
- version/red hat openldap servers/2.0.22
- version/red hat openldap servers/2.0.9
- version/red hat openldap servers/2.2.0
- version/red hat openldap servers/2.1.19
- version/red hat openldap servers/1.0
- version/red hat openldap servers/1.2.7
- version/red hat openldap servers/2.2.12
- version/red hat openldap servers/2.2.20
- version/red hat openldap servers/2.0.15
- version/red hat openldap servers/2.2.13
- version/red hat openldap servers/2.1.30
- version/red hat openldap servers/2.0.26
- version/red hat openldap servers/2.1.5
- version/red hat openldap servers/2.1.14
- version/red hat openldap servers/2.1.21
- version/red hat openldap servers/1.0.2
- version/red hat openldap servers/2.1.24
- version/red hat openldap servers/2.1.20
- version/red hat openldap servers/2.0.14
- version/red hat openldap servers/2.0.7
- version/red hat openldap servers/1.2.11
- version/red hat openldap servers/1.1.0
- version/red hat openldap servers/2.0.13
- version/red hat openldap servers/2.0.27
- version/red hat openldap servers/2.0.11_9
- version/red hat openldap servers/2.2.9
- version/red hat openldap servers/2.1.26
- version/red hat openldap servers/2.2.27
- version/red hat openldap servers/2.1.17
- version/red hat openldap servers/2.1.2
- version/red hat openldap servers/2.2.14
- version/red hat openldap servers/2.1.6
- version/red hat openldap servers/2.0.3
- version/red hat openldap servers/2.2.10
- version/red hat openldap servers/2.2.7
- version/red hat openldap servers/1.2.12
- version/red hat openldap servers/2.0.25
- version/red hat openldap servers/2.1.12
- version/red hat openldap servers/2.0.12
- version/red hat openldap servers/2.1_.20
- version/red hat openldap servers/2.2.24
- version/red hat openldap servers/1.2.1
- version/red hat openldap servers/1.1.4
- version/red hat openldap servers/1.1
- version/red hat openldap servers/1.2.10
- version/red hat openldap servers/2.0.24
- version/red hat openldap servers/1.1.1
- version/red hat openldap servers/2.0.20
- version/red hat openldap servers/1.2.2
- version/red hat openldap servers/2.3.28_e1.0.0
- version/red hat openldap servers/1.0.1
- version/red hat openldap servers/1.2.4
- version/red hat openldap servers/2.0.4
- version/red hat openldap servers/2.0.16
- version/red hat openldap servers/2.2.5
- version/red hat openldap servers/2.2.6
- version/red hat openldap servers/2.1.25
- version/red hat openldap servers/1.2.8
- version/red hat openldap servers/2.1.27
- version/red hat openldap servers/2.4.3
- version/red hat openldap servers/2.0.11_11s
- version/red hat openldap servers/1.2.9
- version/red hat openldap servers/2.0.19
- version/red hat openldap servers/2.2.21
- version/red hat openldap servers/2.1.8
- version/red hat openldap servers/2.2.28_r2
- version/red hat openldap servers/2.3.27_2_2006-10-18
- version/red hat openldap servers/2.2.1
- version/red hat openldap servers/1.2.13
- version/red hat openldap servers/2.0.10
- version/red hat openldap servers/2.1.7
- version/red hat openldap servers/2.0.1
- version/red hat openldap servers/2.2.15
- version/red hat openldap servers/2.0
- version/red hat openldap servers/2.0.23
- version/red hat openldap servers/1.2.5
- version/red hat openldap servers/2.2.11
- version/red hat openldap servers/1.0.3
- version/red hat openldap servers/2.2.17
- version/red hat openldap servers/2.1.3
- version/red hat openldap servers/2.2.23
- version/red hat openldap servers/2.3.28_2006-10-22
- version/red hat openldap servers/2.1.11
- version/red hat openldap servers/2.0.8
- version/red hat openldap servers/2.1.13
- version/red hat openldap servers/2.2.25
- version/red hat openldap servers/2.1.23
- version/red hat openldap servers/2.0.18
- version/red hat openldap servers/1.2
- version/red hat openldap servers/2.1.16
- version/red hat openldap servers/2.1.28
- version/red hat openldap servers/2.1.22
- version/red hat openldap servers/2.0.5
- version/red hat openldap servers/2.2.8
- version/red hat openldap servers/2.3.28_2_2006-10-22
- version/red hat openldap servers/1.1.3
- version/red hat openldap servers/2.0.11
- version/red hat openldap servers/2.2.26
- version/red hat openldap servers/2.0.6
- version/red hat openldap servers/2.0.17
- version/red hat openldap servers/2.2.19
- version/red hat openldap servers/2.1.4
- version/red hat openldap servers/1.2.3
- version/red hat openldap servers/2.1.18
- version/red hat openldap servers/2.2.16
- version/red hat openldap servers/2.0.0
- version/red hat openldap servers/2.0.21
- version/red hat openldap servers/1.2.0