fkie_cve-2010-2023
Vulnerability from fkie_nvd
Published
2010-06-07 17:12
Modified
2025-04-11 00:51
Severity ?
Summary
transports/appendfile.c in Exim before 4.72, when a world-writable sticky-bit mail directory is used, does not verify the st_nlink field of mailbox files, which allows local users to cause a denial of service or possibly gain privileges by creating a hard link to another user's file.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| exim | exim | * | |
| exim | exim | 4.10 | |
| exim | exim | 4.20 | |
| exim | exim | 4.21 | |
| exim | exim | 4.22 | |
| exim | exim | 4.23 | |
| exim | exim | 4.24 | |
| exim | exim | 4.30 | |
| exim | exim | 4.31 | |
| exim | exim | 4.32 | |
| exim | exim | 4.33 | |
| exim | exim | 4.34 | |
| exim | exim | 4.40 | |
| exim | exim | 4.41 | |
| exim | exim | 4.42 | |
| exim | exim | 4.43 | |
| exim | exim | 4.44 | |
| exim | exim | 4.50 | |
| exim | exim | 4.51 | |
| exim | exim | 4.52 | |
| exim | exim | 4.53 | |
| exim | exim | 4.54 | |
| exim | exim | 4.60 | |
| exim | exim | 4.61 | |
| exim | exim | 4.62 | |
| exim | exim | 4.63 | |
| exim | exim | 4.64 | |
| exim | exim | 4.65 | |
| exim | exim | 4.66 | |
| exim | exim | 4.67 | |
| exim | exim | 4.68 | |
| exim | exim | 4.69 | |
| exim | exim | 4.70 |
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"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "transports/appendfile.c in Exim before 4.72, when a world-writable sticky-bit mail directory is used, does not verify the st_nlink field of mailbox files, which allows local users to cause a denial of service or possibly gain privileges by creating a hard link to another user\u0027s file."
},
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"value": "transports/appendfile.c en Exim antes de v4.72, cuando se usa un directorio de correo con permisos de escritura para todos y sticky-bit activado, no verifica el campo de st_nlink de los ficheros de buz\u00f3n de correo, que permite a usuarios locales causar una denegaci\u00f3n de servicio o posiblemente obtener privilegios mediante la creaci\u00f3n de un v\u00ednculo f\u00edsico a un archivo de otro usuario."
}
],
"id": "CVE-2010-2023",
"lastModified": "2025-04-11T00:51:21.963",
"metrics": {
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"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
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"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.4,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:L/AC:M/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 3.4,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
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"published": "2010-06-07T17:12:48.247",
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"url": "http://archives.neohapsis.com/archives/fulldisclosure/2010-06/0079.html"
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}
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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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