FKIE_CVE-2002-0640

Vulnerability from fkie_nvd - Published: 2002-07-03 04:00 - Updated: 2026-06-16 21:57
Severity
Summary
Buffer overflow in sshd in OpenSSH 2.3.1 through 3.3 may allow remote attackers to execute arbitrary code via a large number of responses during challenge response authentication when OpenBSD is using PAM modules with interactive keyboard authentication (PAMAuthenticationViaKbdInt).
References
cve@mitre.orgftp://ftp.caldera.com/pub/security/OpenLinux/CSSA-2002-030.0.txt
cve@mitre.orghttp://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000502
cve@mitre.orghttp://marc.info/?l=bugtraq&m=102514371522793&w=2
cve@mitre.orghttp://marc.info/?l=bugtraq&m=102514631524575&w=2
cve@mitre.orghttp://marc.info/?l=bugtraq&m=102521542826833&w=2
cve@mitre.orghttp://marc.info/?l=bugtraq&m=102532054613894&w=2
cve@mitre.orghttp://www.cert.org/advisories/CA-2002-18.htmlUS Government Resource
cve@mitre.orghttp://www.debian.org/security/2002/dsa-134
cve@mitre.orghttp://www.kb.cert.org/vuls/id/369347US Government Resource
cve@mitre.orghttp://www.linuxsecurity.com/advisories/other_advisory-2177.html
cve@mitre.orghttp://www.mandrakesoft.com/security/advisories?name=MDKSA-2002:040
cve@mitre.orghttp://www.novell.com/linux/security/advisories/2002_024_openssh_txt.html
cve@mitre.orghttp://www.openwall.com/lists/oss-security/2024/07/01/3
cve@mitre.orghttp://www.osvdb.org/839
cve@mitre.orghttp://www.redhat.com/support/errata/RHSA-2002-127.html
cve@mitre.orghttp://www.redhat.com/support/errata/RHSA-2002-131.html
cve@mitre.orghttp://www.securityfocus.com/bid/5093
cve@mitre.orghttp://www1.itrc.hp.com/service/cki/docDisplay.do?docId=HPSBUX0206-195
af854a3a-2127-422b-91ae-364da2661108ftp://ftp.caldera.com/pub/security/OpenLinux/CSSA-2002-030.0.txt
af854a3a-2127-422b-91ae-364da2661108http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000502
af854a3a-2127-422b-91ae-364da2661108http://marc.info/?l=bugtraq&m=102514371522793&w=2
af854a3a-2127-422b-91ae-364da2661108http://marc.info/?l=bugtraq&m=102514631524575&w=2
af854a3a-2127-422b-91ae-364da2661108http://marc.info/?l=bugtraq&m=102521542826833&w=2
af854a3a-2127-422b-91ae-364da2661108http://marc.info/?l=bugtraq&m=102532054613894&w=2
af854a3a-2127-422b-91ae-364da2661108http://www.cert.org/advisories/CA-2002-18.htmlUS Government Resource
af854a3a-2127-422b-91ae-364da2661108http://www.debian.org/security/2002/dsa-134
af854a3a-2127-422b-91ae-364da2661108http://www.kb.cert.org/vuls/id/369347US Government Resource
af854a3a-2127-422b-91ae-364da2661108http://www.linuxsecurity.com/advisories/other_advisory-2177.html
af854a3a-2127-422b-91ae-364da2661108http://www.mandrakesoft.com/security/advisories?name=MDKSA-2002:040
af854a3a-2127-422b-91ae-364da2661108http://www.novell.com/linux/security/advisories/2002_024_openssh_txt.html
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2024/07/01/3
af854a3a-2127-422b-91ae-364da2661108http://www.osvdb.org/839
af854a3a-2127-422b-91ae-364da2661108http://www.redhat.com/support/errata/RHSA-2002-127.html
af854a3a-2127-422b-91ae-364da2661108http://www.redhat.com/support/errata/RHSA-2002-131.html
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/5093
af854a3a-2127-422b-91ae-364da2661108http://www1.itrc.hp.com/service/cki/docDisplay.do?docId=HPSBUX0206-195
Impacted products
Vendor Product Version
openbsd openssh 1.2.2
openbsd openssh 1.2.3
openbsd openssh 2.1
openbsd openssh 2.1.1
openbsd openssh 2.2
openbsd openssh 2.3
openbsd openssh 2.5
openbsd openssh 2.5.1
openbsd openssh 2.5.2
openbsd openssh 2.9
openbsd openssh 2.9.9
openbsd openssh 2.9p1
openbsd openssh 2.9p2
openbsd openssh 3.0
openbsd openssh 3.0.1
openbsd openssh 3.0.1p1
openbsd openssh 3.0.2
openbsd openssh 3.0.2p1
openbsd openssh 3.0p1
openbsd openssh 3.1
openbsd openssh 3.1p1
openbsd openssh 3.2
openbsd openssh 3.2.2p1
openbsd openssh 3.2.3p1
openbsd openssh 3.3
openbsd openssh 3.3p1
To clipboard 

{
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Buffer overflow in sshd in OpenSSH 2.3.1 through 3.3 may allow remote attackers to execute arbitrary code via a large number of responses during challenge response authentication when OpenBSD is using PAM modules with interactive keyboard authentication (PAMAuthenticationViaKbdInt)."
    }
  ],
  "id": "CVE-2002-0640",
  "lastModified": "2026-06-16T21:57:50.567",
  "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
      }
    ]
  },
  "published": "2002-07-03T04:00:00.000",
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    {
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    {
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    },
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  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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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.

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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