fkie_cve-2023-42794
Vulnerability from fkie_nvd
Published
2023-10-10 18:15
Modified
2025-10-29 12:15
Severity ?
Summary
Incomplete Cleanup vulnerability in Apache Tomcat.
The internal fork of Commons FileUpload packaged with Apache Tomcat 9.0.70 through 9.0.80 and 8.5.85 through 8.5.93 included an unreleased,
in progress refactoring that exposed a potential denial of service on
Windows if a web application opened a stream for an uploaded file but
failed to close the stream. The file would never be deleted from disk
creating the possibility of an eventual denial of service due to the
disk being full.
Other, EOL versions may also be affected.
Users are recommended to upgrade to version 9.0.81 onwards or 8.5.94 onwards, which fixes the issue.
References
| URL | Tags | ||
|---|---|---|---|
| security@apache.org | https://lists.apache.org/thread/vvbr2ms7lockj1hlhz5q3wmxb2mwcw82 | Mailing List, Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | http://www.openwall.com/lists/oss-security/2023/10/10/8 | Mailing List, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://lists.apache.org/thread/vvbr2ms7lockj1hlhz5q3wmxb2mwcw82 | Mailing List, Vendor Advisory |
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"versionEndExcluding": "8.5.94",
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"descriptions": [
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"lang": "en",
"value": "Incomplete Cleanup vulnerability in Apache Tomcat.\n\nThe internal fork of Commons FileUpload packaged with Apache Tomcat 9.0.70 through 9.0.80 and 8.5.85 through 8.5.93 included an unreleased, \nin progress refactoring that exposed a potential denial of service on \nWindows if a web application opened a stream for an uploaded file but \nfailed to close the stream. The file would never be deleted from disk \ncreating the possibility of an eventual denial of service due to the \ndisk being full.\n\nOther, EOL versions may also be affected.\n\n\nUsers are recommended to upgrade to version 9.0.81 onwards or 8.5.94 onwards, which fixes the issue."
},
{
"lang": "es",
"value": "Vulnerabilidad de limpieza incompleta en Apache Tomcat. El fork interno de Commons FileUpload empaquetado con Apache Tomcat 9.0.70 a 9.0.80 y 8.5.85 a 8.5.93 inclu\u00eda una refactorizaci\u00f3n en curso que expuso una posible denegaci\u00f3n de servicio en Windows si una aplicaci\u00f3n web abr\u00eda una secuencia para un archivo cargado pero no lograba cerrar la secuencia. El archivo nunca se eliminar\u00eda del disco, creando la posibilidad de una eventual denegaci\u00f3n de servicio debido a que el disco est\u00e9 lleno. Se recomienda a los usuarios actualizar a la versi\u00f3n 9.0.81 en adelante o 8.5.94 en adelante, lo que soluciona el problema."
}
],
"id": "CVE-2023-42794",
"lastModified": "2025-10-29T12:15:33.270",
"metrics": {
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"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 5.9,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
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"exploitabilityScore": 2.2,
"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
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"published": "2023-10-10T18:15:18.863",
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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.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- 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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