FKIE_CVE-2012-4522
Vulnerability from fkie_nvd - Published: 2012-11-24 20:55 - Updated: 2026-06-16 23:45
Severity
Summary
The rb_get_path_check function in file.c in Ruby 1.9.3 before patchlevel 286 and Ruby 2.0.0 before r37163 allows context-dependent attackers to create files in unexpected locations or with unexpected names via a NUL byte in a file path.
References
{
"affected": [
{
"affectedData": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"source": "secalert@redhat.com"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:ruby-lang:ruby:1.9.3:*:*:*:*:*:*:*",
"matchCriteriaId": "D0535DC9-EB0E-4745-80AC-4A020DF26E38",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:ruby-lang:ruby:2.0.0:*:*:*:*:*:*:*",
"matchCriteriaId": "B03B7561-A854-4EFA-9E4E-CFC4EEAE4EE1",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "The rb_get_path_check function in file.c in Ruby 1.9.3 before patchlevel 286 and Ruby 2.0.0 before r37163 allows context-dependent attackers to create files in unexpected locations or with unexpected names via a NUL byte in a file path."
},
{
"lang": "es",
"value": "La funci\u00f3n rb_get_path_check en file.c en Ruby v1.9.3 anterior a patchlevel 286 y Ruby v2.0.0 anterior a r37163 permite a atacantes dependientes de contexto crear archivos en ubicaciones inesperadas o con nombres inesperados a trav\u00e9s de un byte NUL en una ruta de archivo."
}
],
"id": "CVE-2012-4522",
"lastModified": "2026-06-16T23:45:15.250",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 5.0,
"confidentialityImpact": "NONE",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
]
},
"published": "2012-11-24T20:55:03.150",
"references": [
{
"source": "secalert@redhat.com",
"url": "http://lists.fedoraproject.org/pipermail/package-announce/2012-October/090235.html"
},
{
"source": "secalert@redhat.com",
"url": "http://lists.fedoraproject.org/pipermail/package-announce/2012-October/090515.html"
},
{
"source": "secalert@redhat.com",
"url": "http://rhn.redhat.com/errata/RHSA-2013-0129.html"
},
{
"source": "secalert@redhat.com",
"url": "http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision\u0026revision=37163"
},
{
"source": "secalert@redhat.com",
"url": "http://www.openwall.com/lists/oss-security/2012/10/12/6"
},
{
"source": "secalert@redhat.com",
"url": "http://www.openwall.com/lists/oss-security/2012/10/13/1"
},
{
"source": "secalert@redhat.com",
"url": "http://www.openwall.com/lists/oss-security/2012/10/16/1"
},
{
"source": "secalert@redhat.com",
"url": "http://www.ruby-lang.org/en/news/2012/10/12/poisoned-NUL-byte-vulnerability/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://lists.fedoraproject.org/pipermail/package-announce/2012-October/090235.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://lists.fedoraproject.org/pipermail/package-announce/2012-October/090515.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://rhn.redhat.com/errata/RHSA-2013-0129.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision\u0026revision=37163"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.openwall.com/lists/oss-security/2012/10/12/6"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.openwall.com/lists/oss-security/2012/10/13/1"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.openwall.com/lists/oss-security/2012/10/16/1"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.ruby-lang.org/en/news/2012/10/12/poisoned-NUL-byte-vulnerability/"
}
],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-264"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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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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