FKIE_CVE-2008-2420
Vulnerability from fkie_nvd - Published: 2008-05-23 15:32 - Updated: 2025-04-09 00:30
Severity ?
Summary
The OCSP functionality in stunnel before 4.24 does not properly search certificate revocation lists (CRL), which allows remote attackers to bypass intended access restrictions by using revoked certificates.
References
Impacted products
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"negate": false,
"operator": "OR"
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],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "The OCSP functionality in stunnel before 4.24 does not properly search certificate revocation lists (CRL), which allows remote attackers to bypass intended access restrictions by using revoked certificates."
},
{
"lang": "es",
"value": "Vulnerabilidad en la funcionalidad OCSP en stunnel anteriores a 4.24 no busca de forma adecuada la lista de revocaci\u00f3n de certificado (CRL), que permite a atacantes remotos intentar saltarse las restricciones de acceso utilizando certificados revocados.\r\n"
}
],
"id": "CVE-2008-2420",
"lastModified": "2025-04-09T00:30:58.490",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 6.8,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": true,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
]
},
"published": "2008-05-23T15:32:00.000",
"references": [
{
"source": "cve@mitre.org",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/30335"
},
{
"source": "cve@mitre.org",
"url": "http://secunia.com/advisories/30425"
},
{
"source": "cve@mitre.org",
"url": "http://secunia.com/advisories/31438"
},
{
"source": "cve@mitre.org",
"url": "http://security.gentoo.org/glsa/glsa-200808-08.xml"
},
{
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"url": "http://stunnel.mirt.net/pipermail/stunnel-announce/2008-May/000035.html"
},
{
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},
{
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"tags": [
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},
{
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"url": "http://www.vupen.com/english/advisories/2008/1569/references"
},
{
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"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/42528"
},
{
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"url": "https://www.redhat.com/archives/fedora-package-announce/2008-May/msg00856.html"
},
{
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"url": "https://www.redhat.com/archives/fedora-package-announce/2008-May/msg00907.html"
},
{
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"url": "https://www.redhat.com/archives/fedora-package-announce/2008-May/msg00942.html"
},
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{
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"url": "http://security.gentoo.org/glsa/glsa-200808-08.xml"
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"url": "http://stunnel.mirt.net/pipermail/stunnel-announce/2008-May/000035.html"
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},
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},
{
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"url": "https://www.redhat.com/archives/fedora-package-announce/2008-May/msg00856.html"
},
{
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},
{
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"url": "https://www.redhat.com/archives/fedora-package-announce/2008-May/msg00942.html"
}
],
"sourceIdentifier": "cve@mitre.org",
"vendorComments": [
{
"comment": "Not vulnerable. OCSP protocol support was only implemented in upstream stunnel version 4.16. Therefore OCSP protocol is not available in the versions of stunnel as shipped with Red Hat Enterprise Linux 2.1, 3, 4, or 5.\n\n",
"lastModified": "2008-05-26T00:00:00",
"organization": "Red Hat"
}
],
"vulnStatus": "Deferred",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-264"
}
],
"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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