FKIE_CVE-2014-0016
Vulnerability from fkie_nvd - Published: 2014-03-24 16:31 - Updated: 2025-04-12 10:46
Severity ?
Summary
stunnel before 5.00, when using fork threading, does not properly update the state of the OpenSSL pseudo-random number generator (PRNG), which causes subsequent children with the same process ID to use the same entropy pool and allows remote attackers to obtain private keys for EC (ECDSA) or DSA certificates.
References
Impacted products
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},
{
"criteria": "cpe:2.3:a:stunnel:stunnel:4.40:*:*:*:*:*:*:*",
"matchCriteriaId": "D8E83FE3-B2C1-4DDB-8BD4-48A1DCD25496",
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},
{
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"matchCriteriaId": "7F82A3BF-F540-4C6B-846F-4E614849EDC8",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:stunnel:stunnel:4.42:*:*:*:*:*:*:*",
"matchCriteriaId": "3C88D6AE-BE42-4E3A-9B95-A9E5A3C7ED11",
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},
{
"criteria": "cpe:2.3:a:stunnel:stunnel:4.43:*:*:*:*:*:*:*",
"matchCriteriaId": "F9E334EF-1A35-4028-8B60-CA6A6890E490",
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},
{
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},
{
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},
{
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"matchCriteriaId": "67AF1A8D-9C55-4488-9E03-F0D824912BC7",
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},
{
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},
{
"criteria": "cpe:2.3:a:stunnel:stunnel:4.48:*:*:*:*:*:*:*",
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},
{
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"matchCriteriaId": "4015B215-4FFA-423E-A7E2-7F43ADEBA326",
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},
{
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"matchCriteriaId": "84826AED-EEA7-4527-9A8E-258641B5C637",
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},
{
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},
{
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},
{
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{
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}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "stunnel before 5.00, when using fork threading, does not properly update the state of the OpenSSL pseudo-random number generator (PRNG), which causes subsequent children with the same process ID to use the same entropy pool and allows remote attackers to obtain private keys for EC (ECDSA) or DSA certificates."
},
{
"lang": "es",
"value": "stunnel anterior a 5.00, cuando utilizando hilo de bifurcaci\u00f3n, no actualiza debidamente el estado del generador de n\u00fameros psuedoaleatorios OpenSSL (PRNG), lo que causa que hijos posteriores con el mismo proceso ID utilicen el mismo pool de entrop\u00eda y permite a atacantes remotos obtener claves privadas para certificados EC (ECDSA) o DSA."
}
],
"id": "CVE-2014-0016",
"lastModified": "2025-04-12T10:46:40.837",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 4.3,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
]
},
"published": "2014-03-24T16:31:08.447",
"references": [
{
"source": "secalert@redhat.com",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "http://www.openwall.com/lists/oss-security/2014/03/05/1"
},
{
"source": "secalert@redhat.com",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"url": "http://www.securityfocus.com/bid/65964"
},
{
"source": "secalert@redhat.com",
"tags": [
"Patch"
],
"url": "https://bugzilla.redhat.com/attachment.cgi?id=870826\u0026action=diff"
},
{
"source": "secalert@redhat.com",
"tags": [
"Issue Tracking",
"Third Party Advisory",
"VDB Entry"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1072180"
},
{
"source": "secalert@redhat.com",
"tags": [
"Release Notes",
"Vendor Advisory"
],
"url": "https://www.stunnel.org/sdf_ChangeLog.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "http://www.openwall.com/lists/oss-security/2014/03/05/1"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
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"VDB Entry"
],
"url": "http://www.securityfocus.com/bid/65964"
},
{
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"tags": [
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],
"url": "https://bugzilla.redhat.com/attachment.cgi?id=870826\u0026action=diff"
},
{
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],
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},
{
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"tags": [
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],
"url": "https://www.stunnel.org/sdf_ChangeLog.html"
}
],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Deferred",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-332"
}
],
"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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