CVE-2012-2143 (GCVE-0-2012-2143)
Vulnerability from cvelistv5 – Published: 2012-07-05 14:00 – Updated: 2024-08-06 19:26
VLAI
EPSS
VEX
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
25 references
Date Public
2012-05-30 00:00
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{
"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."
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"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
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},
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"Third Party Advisory"
],
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},
{
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],
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},
{
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},
{
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{
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},
{
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},
{
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},
{
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{
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},
{
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},
{
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"url": "http://www.debian.org/security/2012/dsa-2491"
},
{
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},
{
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],
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},
{
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],
"url": "http://www.postgresql.org/docs/8.4/static/release-8-4-12.html"
},
{
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],
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},
{
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],
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},
{
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],
"url": "http://www.postgresql.org/support/security/"
},
{
"source": "secalert@redhat.com",
"tags": [
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],
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},
{
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],
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},
{
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],
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},
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],
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},
{
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],
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},
{
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],
"url": "http://lists.apple.com/archives/security-announce/2012/Sep/msg00004.html"
},
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{
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{
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}
],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-310"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2025-11-21T12:52:06+00:00",
"cve": "CVE-2012-2143",
"id": "CVE-2012-2143",
"initial_release_date": "2012-05-30T00:00:00+00:00",
"product_status:fixed": "1711",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "crypt(): DES encrypted password weakness",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2012/cve-2012-2143.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "moderate",
"current_release_date": "2026-08-27T02:09:29Z",
"cve": "CVE-2012-2143",
"id": "CVE-2012-2143",
"initial_release_date": "2023-02-15T05:47:12Z",
"product_status:known_affected": "3",
"product_status:known_not_affected": "2",
"product_status:recommended": "448",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2012-2143",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2012-2143.json",
"version": "12"
}
}
}
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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.
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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.
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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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