FKIE_CVE-2002-0639
Vulnerability from fkie_nvd - Published: 2002-07-03 04:00 - Updated: 2026-06-16 21:57
Severity
Summary
Integer overflow in sshd in OpenSSH 2.9.9 through 3.3 allows remote attackers to execute arbitrary code during challenge response authentication (ChallengeResponseAuthentication) when OpenSSH is using SKEY or BSD_AUTH authentication.
References
{
"affected": [
{
"affectedData": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"source": "cve@mitre.org"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:openbsd:openssh:*:*:*:*:*:*:*:*",
"matchCriteriaId": "E68E2B14-A81E-482E-8DAF-FDDC29FF2158",
"versionEndIncluding": "3.3",
"versionStartIncluding": "2.9.9",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Integer overflow in sshd in OpenSSH 2.9.9 through 3.3 allows remote attackers to execute arbitrary code during challenge response authentication (ChallengeResponseAuthentication) when OpenSSH is using SKEY or BSD_AUTH authentication."
}
],
"id": "CVE-2002-0639",
"lastModified": "2026-06-16T21:57:50.390",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "HIGH",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 10.0,
"confidentialityImpact": "COMPLETE",
"integrityImpact": "COMPLETE",
"vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 10.0,
"obtainAllPrivilege": true,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 5.9,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2002-07-03T04:00:00.000",
"references": [
{
"source": "cve@mitre.org",
"tags": [
"Broken Link"
],
"url": "ftp://ftp.caldera.com/pub/security/OpenLinux/CSSA-2002-030.0.txt"
},
{
"source": "cve@mitre.org",
"tags": [
"Broken Link"
],
"url": "http://archives.neohapsis.com/archives/bugtraq/2002-06/0335.html"
},
{
"source": "cve@mitre.org",
"tags": [
"Broken Link"
],
"url": "http://distro.conectiva.com.br/atualizacoes/?id=a\u0026anuncio=000502"
},
{
"source": "cve@mitre.org",
"tags": [
"Exploit",
"Mailing List"
],
"url": "http://marc.info/?l=bugtraq\u0026m=102514371522793\u0026w=2"
},
{
"source": "cve@mitre.org",
"tags": [
"Exploit",
"Mailing List"
],
"url": "http://marc.info/?l=bugtraq\u0026m=102514631524575\u0026w=2"
},
{
"source": "cve@mitre.org",
"tags": [
"Exploit",
"Mailing List"
],
"url": "http://marc.info/?l=bugtraq\u0026m=102521542826833\u0026w=2"
},
{
"source": "cve@mitre.org",
"tags": [
"Third Party Advisory",
"US Government Resource"
],
"url": "http://www.cert.org/advisories/CA-2002-18.html"
},
{
"source": "cve@mitre.org",
"tags": [
"Broken Link"
],
"url": "http://www.debian.org/security/2002/dsa-134"
},
{
"source": "cve@mitre.org",
"tags": [
"Broken Link"
],
"url": "http://www.iss.net/security_center/static/9169.php"
},
{
"source": "cve@mitre.org",
"tags": [
"Third Party Advisory",
"US Government Resource"
],
"url": "http://www.kb.cert.org/vuls/id/369347"
},
{
"source": "cve@mitre.org",
"tags": [
"Broken Link"
],
"url": "http://www.linuxsecurity.com/advisories/other_advisory-2177.html"
},
{
"source": "cve@mitre.org",
"tags": [
"Broken Link"
],
"url": "http://www.mandrakesoft.com/security/advisories?name=MDKSA-2002:040"
},
{
"source": "cve@mitre.org",
"tags": [
"Broken Link"
],
"url": "http://www.osvdb.org/6245"
},
{
"source": "cve@mitre.org",
"tags": [
"Broken Link",
"Third Party Advisory",
"VDB Entry"
],
"url": "http://www.securityfocus.com/bid/5093"
},
{
"source": "cve@mitre.org",
"tags": [
"Broken Link"
],
"url": "http://www1.itrc.hp.com/service/cki/docDisplay.do?docId=HPSBUX0206-195"
},
{
"source": "cve@mitre.org",
"tags": [
"Broken Link"
],
"url": "https://twitter.com/RooneyMcNibNug/status/1152332585349111810"
},
{
"source": "cve@mitre.org",
"tags": [
"Third Party Advisory"
],
"url": "https://web.archive.org/web/20080622172542/www.iss.net/threats/advise123.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Broken Link"
],
"url": "ftp://ftp.caldera.com/pub/security/OpenLinux/CSSA-2002-030.0.txt"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Broken Link"
],
"url": "http://archives.neohapsis.com/archives/bugtraq/2002-06/0335.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Broken Link"
],
"url": "http://distro.conectiva.com.br/atualizacoes/?id=a\u0026anuncio=000502"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Mailing List"
],
"url": "http://marc.info/?l=bugtraq\u0026m=102514371522793\u0026w=2"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Mailing List"
],
"url": "http://marc.info/?l=bugtraq\u0026m=102514631524575\u0026w=2"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Mailing List"
],
"url": "http://marc.info/?l=bugtraq\u0026m=102521542826833\u0026w=2"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory",
"US Government Resource"
],
"url": "http://www.cert.org/advisories/CA-2002-18.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Broken Link"
],
"url": "http://www.debian.org/security/2002/dsa-134"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Broken Link"
],
"url": "http://www.iss.net/security_center/static/9169.php"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory",
"US Government Resource"
],
"url": "http://www.kb.cert.org/vuls/id/369347"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Broken Link"
],
"url": "http://www.linuxsecurity.com/advisories/other_advisory-2177.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Broken Link"
],
"url": "http://www.mandrakesoft.com/security/advisories?name=MDKSA-2002:040"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Broken Link"
],
"url": "http://www.osvdb.org/6245"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Broken Link",
"Third Party Advisory",
"VDB Entry"
],
"url": "http://www.securityfocus.com/bid/5093"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Broken Link"
],
"url": "http://www1.itrc.hp.com/service/cki/docDisplay.do?docId=HPSBUX0206-195"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Broken Link"
],
"url": "https://twitter.com/RooneyMcNibNug/status/1152332585349111810"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://web.archive.org/web/20080622172542/www.iss.net/threats/advise123.html"
}
],
"sourceIdentifier": "cve@mitre.org",
"vendorComments": [
{
"comment": "Not vulnerable. This issue did not affect the versions of OpenSSH as shipped with Red Hat Enterprise Linux 3 or later.\n\nThis issue did not affect the OpenSSL packages as shipped with Red Hat Enterprise Linux 2.1 as they were not compiled with S/Key or BSD_AUTH support. The upstream patch for this issue and CVE-2002-0640 was included in an errata so that users recompiling OpenSSL with support for those authentication methods would also be protected:\nhttps://rhn.redhat.com/errata/RHSA-2002-131.html",
"lastModified": "2008-05-15T00:00:00",
"organization": "Red Hat"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-190"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
Loading…
Loading…
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
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.
Loading…
The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
Loading…
Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
Loading…