FKIE_CVE-2000-0993

Vulnerability from fkie_nvd - Published: 2000-12-19 05:00 - Updated: 2026-09-23 10:10
Severity
Summary
Format string vulnerability in pw_error function in BSD libutil library allows local users to gain root privileges via a malformed password in commands such as chpass or passwd.
References
cve@mitre.orgftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-00:58.chpass.asc
cve@mitre.orgftp://ftp.NetBSD.ORG/pub/NetBSD/misc/security/advisories/NetBSD-SA2000-015.txt.asc
cve@mitre.orghttp://marc.info/?l=bugtraq&m=97068555106135&w=2
cve@mitre.orghttp://www.openbsd.org/errata27.html#pw_error
cve@mitre.orghttp://www.securityfocus.com/bid/1744Exploit, Patch, Vendor Advisory
cve@mitre.orghttps://exchange.xforce.ibmcloud.com/vulnerabilities/5339
af854a3a-2127-422b-91ae-364da2661108ftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-00:58.chpass.asc
af854a3a-2127-422b-91ae-364da2661108ftp://ftp.NetBSD.ORG/pub/NetBSD/misc/security/advisories/NetBSD-SA2000-015.txt.asc
af854a3a-2127-422b-91ae-364da2661108http://marc.info/?l=bugtraq&m=97068555106135&w=2
af854a3a-2127-422b-91ae-364da2661108http://www.openbsd.org/errata27.html#pw_error
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/1744Exploit, Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/5339
Impacted products
Vendor Product Version
freebsd freebsd 3.2
freebsd freebsd 3.3
freebsd freebsd 3.4
freebsd freebsd 3.5
freebsd freebsd 4.0
netbsd netbsd 1.4
netbsd netbsd 1.4.1
netbsd netbsd 1.4.2
openbsd openbsd 2.3
openbsd openbsd 2.4
openbsd openbsd 2.5
openbsd openbsd 2.6
openbsd openbsd 2.7
To clipboard 

{
  "affected": [
    {
      "affectedData": [
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          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Format string vulnerability in pw_error function in BSD libutil library allows local users to gain root privileges via a malformed password in commands such as chpass or passwd."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de formato de cadena en la funci\u00f3n pw_error en la librer\u00eda libutil de BSD permite a usuarios locales obtener privilegios de root a trav\u00e9s de una contrase\u00f1a malformada en comandos como chpass o passwd."
    }
  ],
  "id": "CVE-2000-0993",
  "lastModified": "2026-09-23T10:10:00.673",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 7.2,
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "COMPLETE",
          "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 10.0,
        "obtainAllPrivilege": true,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2000-12-19T05:00:00.000",
  "references": [
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      "source": "cve@mitre.org",
      "url": "ftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-00:58.chpass.asc"
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        "Vendor Advisory"
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      "url": "http://www.securityfocus.com/bid/1744"
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      "source": "cve@mitre.org",
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/5339"
    },
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  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
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      "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.

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.



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