fkie_cve-2009-3639
Vulnerability from fkie_nvd
Published
2009-10-28 14:30
Modified
2025-04-09 00:30
Severity ?
Summary
The mod_tls module in ProFTPD before 1.3.2b, and 1.3.3 before 1.3.3rc2, when the dNSNameRequired TLS option is enabled, does not properly handle a '\0' character in a domain name in the Subject Alternative Name field of an X.509 client certificate, which allows remote attackers to bypass intended client-hostname restrictions via a crafted certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408.
References
Impacted products
{
"configurations": [
{
"nodes": [
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"versionEndIncluding": "1.3.2",
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],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "The mod_tls module in ProFTPD before 1.3.2b, and 1.3.3 before 1.3.3rc2, when the dNSNameRequired TLS option is enabled, does not properly handle a \u0027\\0\u0027 character in a domain name in the Subject Alternative Name field of an X.509 client certificate, which allows remote attackers to bypass intended client-hostname restrictions via a crafted certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408."
},
{
"lang": "es",
"value": "El m\u00f3dulo mod_tls en ProFTPD anterior v1.3.2b, y v1.3.3 anterior v1.3.3rc2, cuando la opci\u00f3n dNSNameRequired TLS es activada, no maneja adecuadamente el caracter \u0027/0\u0027 en un nombre de dominio, dentro del campo Subject Alternative Name de un certificado cliente X.509, lo que permite a atacantes remotos eludir las restricciones cliente-hostname a trav\u00e9s de un certificado manipulado concedido por una Autoridad Certificadora leg\u00edtima, esta relacionado con CVE-2009-2408."
}
],
"id": "CVE-2009-3639",
"lastModified": "2025-04-09T00:30:58.490",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 5.8,
"confidentialityImpact": "NONE",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 4.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
]
},
"published": "2009-10-28T14:30:00.217",
"references": [
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"url": "http://bugs.proftpd.org/show_bug.cgi?id=3275"
},
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{
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"tags": [
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},
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"url": "http://www.mandriva.com/security/advisories?name=MDVSA-2009:288"
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=530719"
},
{
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"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/53936"
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{
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"url": "http://marc.info/?l=oss-security\u0026m=125632960508211\u0026w=2"
},
{
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},
{
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"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Deferred",
"weaknesses": [
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"description": [
{
"lang": "en",
"value": "CWE-310"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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