fkie_cve-2008-2420
Vulnerability from fkie_nvd
Published
2008-05-23 15:32
Modified
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"
},
{
"source": "cve@mitre.org",
"url": "http://stunnel.mirt.net/pipermail/stunnel-announce/2008-May/000035.html"
},
{
"source": "cve@mitre.org",
"url": "http://www.mandriva.com/security/advisories?name=MDVSA-2008:168"
},
{
"source": "cve@mitre.org",
"tags": [
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],
"url": "http://www.securityfocus.com/bid/29309"
},
{
"source": "cve@mitre.org",
"url": "http://www.vupen.com/english/advisories/2008/1569/references"
},
{
"source": "cve@mitre.org",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/42528"
},
{
"source": "cve@mitre.org",
"url": "https://www.redhat.com/archives/fedora-package-announce/2008-May/msg00856.html"
},
{
"source": "cve@mitre.org",
"url": "https://www.redhat.com/archives/fedora-package-announce/2008-May/msg00907.html"
},
{
"source": "cve@mitre.org",
"url": "https://www.redhat.com/archives/fedora-package-announce/2008-May/msg00942.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
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],
"url": "http://secunia.com/advisories/30335"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/30425"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/31438"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://security.gentoo.org/glsa/glsa-200808-08.xml"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://stunnel.mirt.net/pipermail/stunnel-announce/2008-May/000035.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.mandriva.com/security/advisories?name=MDVSA-2008:168"
},
{
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"tags": [
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"url": "http://www.securityfocus.com/bid/29309"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.vupen.com/english/advisories/2008/1569/references"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/42528"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://www.redhat.com/archives/fedora-package-announce/2008-May/msg00856.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://www.redhat.com/archives/fedora-package-announce/2008-May/msg00907.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"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 seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- 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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