FKIE_CVE-2006-6493
Vulnerability from fkie_nvd - Published: 2006-12-13 00:28 - Updated: 2025-04-09 00:30
Severity ?
Summary
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.
References
Impacted products
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],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "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."
},
{
"lang": "es",
"value": "Desbordamiento de b\u00fafer en la funci\u00f3n krbv4_ldap_auth de servers/slapd/kerberos.c en OpenLDAP 2.4.3 y versiones anteriores, cuando el OpenLDAP es compilado con la opci\u00f3n kbind (Kerberos KBIND) habilitada, permite a atacantes remotos ejecutar c\u00f3digo de su elecci\u00f3n a trav\u00e9s de una petici\u00f3n LDAP utilizando el m\u00e9todo de autenticaci\u00f3n LDAP_AUTH_KRBV41 y un dato largo en las credenciales."
}
],
"evaluatorSolution": "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.",
"id": "CVE-2006-6493",
"lastModified": "2025-04-09T00:30:58.490",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "HIGH",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 5.1,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:H/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 4.9,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": true,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
]
},
"published": "2006-12-13T00:28:00.000",
"references": [
{
"source": "cve@mitre.org",
"url": "http://secunia.com/advisories/23334"
},
{
"source": "cve@mitre.org",
"url": "http://securityreason.com/securityalert/2023"
},
{
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"tags": [
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],
"url": "http://www.phreedom.org/solar/exploits/openldap-kbind"
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{
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"Vendor Advisory"
],
"url": "http://www.securityfocus.com/archive/1/454181/30/0/threaded"
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{
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},
{
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"sourceIdentifier": "cve@mitre.org",
"vendorComments": [
{
"comment": "Not vulnerable. OpenLDAP as shipped with Red Hat Enterprise Linux 2.1, 3, and 4 does not support the LDAP_AUTH_KRBV41 authentication method.",
"lastModified": "2006-12-19T00:00:00",
"organization": "Red Hat"
}
],
"vulnStatus": "Deferred",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "NVD-CWE-Other"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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