CVE-2012-2143 (GCVE-0-2012-2143)

Vulnerability from cvelistv5 – Published: 2012-07-05 14:00 – Updated: 2024-08-06 19:26
VLAI?
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.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
URL Tags
http://www.postgresql.org/docs/9.1/static/release… x_refsource_CONFIRM
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://security.freebsd.org/advisories/FreeBSD-SA… vendor-advisoryx_refsource_FREEBSD
http://secunia.com/advisories/50718 third-party-advisoryx_refsource_SECUNIA
http://lists.fedoraproject.org/pipermail/package-… vendor-advisoryx_refsource_FEDORA
http://lists.fedoraproject.org/pipermail/package-… vendor-advisoryx_refsource_FEDORA
https://bugzilla.redhat.com/show_bug.cgi?id=816956 x_refsource_CONFIRM
http://www.postgresql.org/support/security/ x_refsource_CONFIRM
http://www.debian.org/security/2012/dsa-2491 vendor-advisoryx_refsource_DEBIAN
http://www.securitytracker.com/id?1026995 vdb-entryx_refsource_SECTRACK
http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=… x_refsource_CONFIRM
http://www.postgresql.org/docs/8.3/static/release… x_refsource_CONFIRM
http://www.postgresql.org/docs/8.4/static/release… x_refsource_CONFIRM
http://git.postgresql.org/gitweb/?p=postgresql.gi… x_refsource_CONFIRM
http://lists.apple.com/archives/security-announce… vendor-advisoryx_refsource_APPLE
http://support.apple.com/kb/HT5501 x_refsource_CONFIRM
http://rhn.redhat.com/errata/RHSA-2012-1037.html vendor-advisoryx_refsource_REDHAT
http://lists.fedoraproject.org/pipermail/package-… vendor-advisoryx_refsource_FEDORA
http://www.mandriva.com/security/advisories?name=… vendor-advisoryx_refsource_MANDRIVA
http://kb.juniper.net/InfoCenter/index?page=conte… x_refsource_CONFIRM
http://www.postgresql.org/docs/9.0/static/release… x_refsource_CONFIRM
http://lists.opensuse.org/opensuse-updates/2012-0… vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-updates/2012-1… vendor-advisoryx_refsource_SUSE
http://secunia.com/advisories/49304 third-party-advisoryx_refsource_SECUNIA
http://lists.opensuse.org/opensuse-updates/2012-1… vendor-advisoryx_refsource_SUSE
Date Public ?
2012-05-30 00:00
Show details on NVD website
To clipboard 

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    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2012-2143",
    "datePublished": "2012-07-05T14:00:00.000Z",
    "dateReserved": "2012-04-04T00:00:00.000Z",
    "dateUpdated": "2024-08-06T19:26:08.919Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2012-2143",
      "date": "2026-05-20",
      "epss": "0.02995",
      "percentile": "0.8671"
    },
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      "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": "2024-11-21T01:38:35.357",
      "metrics": "{\"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:N/AC:M/Au:N/C:N/I:P/A:N\", \"baseScore\": 4.3, \"accessVector\": \"NETWORK\", \"accessComplexity\": \"MEDIUM\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"PARTIAL\", \"availabilityImpact\": \"NONE\"}, \"baseSeverity\": \"MEDIUM\", \"exploitabilityScore\": 8.6, \"impactScore\": 2.9, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
      "published": "2012-07-05T14:55:02.183",
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      "sourceIdentifier": "secalert@redhat.com",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-310\"}]}]"
    },
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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 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  }
}


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Tags
Taxonomy of the tags.




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.



Detection rules are retrieved from Rulezet.