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FKIE_CVE-2012-2143

Vulnerability from fkie_nvd - Published: 2012-07-05 14:55 - Updated: 2026-06-16 23:41
Severity
Summary
The crypt_des (aka DES-based crypt) function in FreeBSD before 9.0-RELEASE-p2, as used in PHP, PostgreSQL, and other products, does not process the complete cleartext password if this password contains a 0x80 character, which makes it easier for context-dependent attackers to obtain access via an authentication attempt with an initial substring of the intended password, as demonstrated by a Unicode password.
References
secalert@redhat.comhttp://git.php.net/?p=php-src.git%3Ba=commit%3Bh=aab49e934de1fff046e659cbec46e3d053b41c34Broken Link, Patch
secalert@redhat.comhttp://git.postgresql.org/gitweb/?p=postgresql.git&a=commit&h=932ded2ed51e8333852e370c7a6dad75d9f236f9Vendor Advisory
secalert@redhat.comhttp://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705Third Party Advisory
secalert@redhat.comhttp://lists.apple.com/archives/security-announce/2012/Sep/msg00004.htmlMailing List, Third Party Advisory
secalert@redhat.comhttp://lists.fedoraproject.org/pipermail/package-announce/2012-June/082258.htmlMailing List, Third Party Advisory
secalert@redhat.comhttp://lists.fedoraproject.org/pipermail/package-announce/2012-June/082292.htmlMailing List, Third Party Advisory
secalert@redhat.comhttp://lists.fedoraproject.org/pipermail/package-announce/2012-June/082294.htmlMailing List, Third Party Advisory
secalert@redhat.comhttp://lists.opensuse.org/opensuse-security-announce/2012-07/msg00003.htmlMailing List, Third Party Advisory
secalert@redhat.comhttp://lists.opensuse.org/opensuse-updates/2012-09/msg00102.htmlMailing List, Third Party Advisory
secalert@redhat.comhttp://lists.opensuse.org/opensuse-updates/2012-10/msg00013.htmlMailing List, Third Party Advisory
secalert@redhat.comhttp://lists.opensuse.org/opensuse-updates/2012-10/msg00024.htmlMailing List, Third Party Advisory
secalert@redhat.comhttp://rhn.redhat.com/errata/RHSA-2012-1037.htmlThird Party Advisory
secalert@redhat.comhttp://secunia.com/advisories/49304Broken Link, Vendor Advisory
secalert@redhat.comhttp://secunia.com/advisories/50718Broken Link, Vendor Advisory
secalert@redhat.comhttp://security.freebsd.org/advisories/FreeBSD-SA-12:02.crypt.ascVendor Advisory
secalert@redhat.comhttp://support.apple.com/kb/HT5501Third Party Advisory
secalert@redhat.comhttp://www.debian.org/security/2012/dsa-2491Third Party Advisory
secalert@redhat.comhttp://www.mandriva.com/security/advisories?name=MDVSA-2012:092Broken Link
secalert@redhat.comhttp://www.postgresql.org/docs/8.3/static/release-8-3-19.htmlVendor Advisory
secalert@redhat.comhttp://www.postgresql.org/docs/8.4/static/release-8-4-12.htmlVendor Advisory
secalert@redhat.comhttp://www.postgresql.org/docs/9.0/static/release-9-0-8.htmlVendor Advisory
secalert@redhat.comhttp://www.postgresql.org/docs/9.1/static/release-9-1-4.htmlVendor Advisory
secalert@redhat.comhttp://www.postgresql.org/support/security/Vendor Advisory
secalert@redhat.comhttp://www.securitytracker.com/id?1026995Third Party Advisory, VDB Entry
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=816956Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=aab49e934de1fff046e659cbec46e3d053b41c34Broken Link, Patch
af854a3a-2127-422b-91ae-364da2661108http://git.postgresql.org/gitweb/?p=postgresql.git&a=commit&h=932ded2ed51e8333852e370c7a6dad75d9f236f9Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.apple.com/archives/security-announce/2012/Sep/msg00004.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.fedoraproject.org/pipermail/package-announce/2012-June/082258.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.fedoraproject.org/pipermail/package-announce/2012-June/082292.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.fedoraproject.org/pipermail/package-announce/2012-June/082294.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2012-07/msg00003.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-updates/2012-09/msg00102.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-updates/2012-10/msg00013.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-updates/2012-10/msg00024.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://rhn.redhat.com/errata/RHSA-2012-1037.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/49304Broken Link, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/50718Broken Link, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://security.freebsd.org/advisories/FreeBSD-SA-12:02.crypt.ascVendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://support.apple.com/kb/HT5501Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.debian.org/security/2012/dsa-2491Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.mandriva.com/security/advisories?name=MDVSA-2012:092Broken Link
af854a3a-2127-422b-91ae-364da2661108http://www.postgresql.org/docs/8.3/static/release-8-3-19.htmlVendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.postgresql.org/docs/8.4/static/release-8-4-12.htmlVendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.postgresql.org/docs/9.0/static/release-9-0-8.htmlVendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.postgresql.org/docs/9.1/static/release-9-1-4.htmlVendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.postgresql.org/support/security/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id?1026995Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=816956Issue Tracking, Third Party Advisory

{
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              "version": "n/a"
            }
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      ],
      "source": "secalert@redhat.com"
    }
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              "matchCriteriaId": "DD5ECA1A-D9B4-4ED7-95EC-684E7AA2B765",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:freebsd:freebsd:8.3:*:*:*:*:*:*:*",
              "matchCriteriaId": "30C501A1-FE2D-41E7-A5DB-C61D8701B9B4",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "4771E65B-4C4C-4299-B6DB-E7B35233C63C",
              "versionEndExcluding": "5.3.14",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "64C21940-9DA6-4922-B43E-4EA79FD918C1",
              "versionEndExcluding": "5.4.4",
              "versionStartIncluding": "5.4.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "036E8A89-7A16-411F-9D31-676313BB7244",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The crypt_des (aka DES-based crypt) function in FreeBSD before 9.0-RELEASE-p2, as used in PHP, PostgreSQL, and other products, does not process the complete cleartext password if this password contains a 0x80 character, which makes it easier for context-dependent attackers to obtain access via an authentication attempt with an initial substring of the intended password, as demonstrated by a Unicode password."
    },
    {
      "lang": "es",
      "value": "La funci\u00f3n crypt_des (tambi\u00e9n conocido como crypt basado en DES), en FreeBSD v9.0-RELEASE-p2, tal y como se utiliza en PHP, PostgreSQL y otros productos, no procesa las contrase\u00f1as en claro si la contrase\u00f1a contiene un car\u00e1cter de 0x80, lo que hace m\u00e1s f\u00e1cil para los atacantes dependientes del contexto a la hora de obtener acceso a trav\u00e9s de un intento de autenticaci\u00f3n con una subcadena inicial con la contrase\u00f1a, tal y como se demuestra con una contrase\u00f1a Unicode."
    }
  ],
  "id": "CVE-2012-2143",
  "lastModified": "2026-06-16T23:41:04.677",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 4.3,
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/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": "2012-07-05T14:55:02.183",
  "references": [
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Broken Link",
        "Patch"
      ],
      "url": "http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=aab49e934de1fff046e659cbec46e3d053b41c34"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://git.postgresql.org/gitweb/?p=postgresql.git\u0026a=commit\u0026h=932ded2ed51e8333852e370c7a6dad75d9f236f9"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://kb.juniper.net/InfoCenter/index?page=content\u0026id=JSA10705"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://lists.apple.com/archives/security-announce/2012/Sep/msg00004.html"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2012-June/082258.html"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2012-June/082292.html"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2012-June/082294.html"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://lists.opensuse.org/opensuse-security-announce/2012-07/msg00003.html"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://lists.opensuse.org/opensuse-updates/2012-09/msg00102.html"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://lists.opensuse.org/opensuse-updates/2012-10/msg00013.html"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://lists.opensuse.org/opensuse-updates/2012-10/msg00024.html"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://rhn.redhat.com/errata/RHSA-2012-1037.html"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Broken Link",
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/49304"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Broken Link",
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/50718"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://security.freebsd.org/advisories/FreeBSD-SA-12:02.crypt.asc"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://support.apple.com/kb/HT5501"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://www.debian.org/security/2012/dsa-2491"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Broken Link"
      ],
      "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2012:092"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://www.postgresql.org/docs/8.3/static/release-8-3-19.html"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://www.postgresql.org/docs/8.4/static/release-8-4-12.html"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://www.postgresql.org/docs/9.0/static/release-9-0-8.html"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://www.postgresql.org/docs/9.1/static/release-9-1-4.html"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://www.postgresql.org/support/security/"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securitytracker.com/id?1026995"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Issue Tracking",
        "Third Party Advisory"
      ],
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=816956"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Broken Link",
        "Patch"
      ],
      "url": "http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=aab49e934de1fff046e659cbec46e3d053b41c34"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://git.postgresql.org/gitweb/?p=postgresql.git\u0026a=commit\u0026h=932ded2ed51e8333852e370c7a6dad75d9f236f9"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://kb.juniper.net/InfoCenter/index?page=content\u0026id=JSA10705"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://lists.apple.com/archives/security-announce/2012/Sep/msg00004.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2012-June/082258.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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        "Third Party Advisory"
      ],
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2012-June/082292.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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        "Third Party Advisory"
      ],
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2012-June/082294.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
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      "url": "http://lists.opensuse.org/opensuse-security-announce/2012-07/msg00003.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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        "Third Party Advisory"
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      "url": "http://lists.opensuse.org/opensuse-updates/2012-09/msg00102.html"
    },
    {
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    },
    {
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    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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    {
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    },
    {
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    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      "url": "http://security.freebsd.org/advisories/FreeBSD-SA-12:02.crypt.asc"
    },
    {
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      "tags": [
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      "tags": [
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      ],
      "url": "http://www.postgresql.org/docs/8.3/static/release-8-3-19.html"
    },
    {
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    },
    {
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      ],
      "url": "http://www.postgresql.org/docs/9.0/static/release-9-0-8.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      ],
      "url": "http://www.postgresql.org/docs/9.1/static/release-9-1-4.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      "url": "http://www.postgresql.org/support/security/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
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    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Issue Tracking",
        "Third Party Advisory"
      ],
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=816956"
    }
  ],
  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-310"
        }
      ],
      "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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Detection rules are retrieved from Rulezet.

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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.


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