fkie_cve-2006-6164
Vulnerability from fkie_nvd
Published
2006-11-29 01:28
Modified
2025-04-09 00:30
Severity ?
Summary
The _dl_unsetenv function in loader.c in the ELF ld.so in OpenBSD 3.9 and 4.0 does not properly remove duplicate environment variables, which allows local users to pass dangerous variables such as LD_PRELOAD to loading processes, which might be leveraged to gain privileges.
References
{
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:openbsd:openbsd:3.9:*:*:*:*:*:*:*",
"matchCriteriaId": "F5BB6C5D-4C43-4BB8-B1CE-A70BBE650CA1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:openbsd:openbsd:4.0:*:*:*:*:*:*:*",
"matchCriteriaId": "CC77812C-D84E-493E-9D21-1BA6C2129E70",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "The _dl_unsetenv function in loader.c in the ELF ld.so in OpenBSD 3.9 and 4.0 does not properly remove duplicate environment variables, which allows local users to pass dangerous variables such as LD_PRELOAD to loading processes, which might be leveraged to gain privileges."
},
{
"lang": "es",
"value": "La funci\u00f3n _dl_unsetenv en loader.c en el ELF ld.so en OpenBSD 3.9 y 4.0 no borra adecuadamente variables de entorno duplicadas, lo cual permite a usuarios locales pasar variables peligrosas como LD_PRELOAD a procesos de carga, lo cual puede ser utilizado para obtener privilegios."
}
],
"id": "CVE-2006-6164",
"lastModified": "2025-04-09T00:30:58.490",
"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": "2006-11-29T01:28:00.000",
"references": [
{
"source": "cve@mitre.org",
"url": "http://secunia.com/advisories/22993"
},
{
"source": "cve@mitre.org",
"tags": [
"Patch"
],
"url": "http://securitytracker.com/id?1017253"
},
{
"source": "cve@mitre.org",
"url": "http://www.matasano.com/log/592/finger-79tcp-mcdonald-dowd-and-schuh-challenge-part-2/"
},
{
"source": "cve@mitre.org",
"tags": [
"Patch"
],
"url": "http://www.openbsd.org/errata.html#ldso"
},
{
"source": "cve@mitre.org",
"tags": [
"Patch"
],
"url": "http://www.openbsd.org/errata39.html#ldso"
},
{
"source": "cve@mitre.org",
"url": "http://www.securityfocus.com/archive/1/452371/100/0/threaded"
},
{
"source": "cve@mitre.org",
"url": "http://www.securityfocus.com/archive/1/452428/100/0/threaded"
},
{
"source": "cve@mitre.org",
"url": "http://www.securityfocus.com/bid/21188"
},
{
"source": "cve@mitre.org",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/30441"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/22993"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
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],
"url": "http://securitytracker.com/id?1017253"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.matasano.com/log/592/finger-79tcp-mcdonald-dowd-and-schuh-challenge-part-2/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch"
],
"url": "http://www.openbsd.org/errata.html#ldso"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch"
],
"url": "http://www.openbsd.org/errata39.html#ldso"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.securityfocus.com/archive/1/452371/100/0/threaded"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.securityfocus.com/archive/1/452428/100/0/threaded"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.securityfocus.com/bid/21188"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/30441"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Deferred",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "NVD-CWE-Other"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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