FKIE_CVE-2020-17518
Vulnerability from fkie_nvd - Published: 2021-01-05 12:15 - Updated: 2024-11-21 05:08
Severity ?
Summary
Apache Flink 1.5.1 introduced a REST handler that allows you to write an uploaded file to an arbitrary location on the local file system, through a maliciously modified HTTP HEADER. The files can be written to any location accessible by Flink 1.5.1. All users should upgrade to Flink 1.11.3 or 1.12.0 if their Flink instance(s) are exposed. The issue was fixed in commit a5264a6f41524afe8ceadf1d8ddc8c80f323ebc4 from apache/flink:master.
References
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"value": "Apache Flink 1.5.1 introduced a REST handler that allows you to write an uploaded file to an arbitrary location on the local file system, through a maliciously modified HTTP HEADER. The files can be written to any location accessible by Flink 1.5.1. All users should upgrade to Flink 1.11.3 or 1.12.0 if their Flink instance(s) are exposed. The issue was fixed in commit a5264a6f41524afe8ceadf1d8ddc8c80f323ebc4 from apache/flink:master."
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"value": "Apache Flink versi\u00f3n 1.5.1, introdujo un controlador de REST que le permite escribir un archivo cargado en una ubicaci\u00f3n arbitraria en el sistema de archivos local, por medio de un encabezado HTTP modificado maliciosamente.\u0026#xa0;Los archivos se pueden escribir en cualquier ubicaci\u00f3n accesible de Flink versi\u00f3n 1.5.1.\u0026#xa0;Todos los usuarios deben actualizar a Flink versi\u00f3n 1.11.3 o 1.12.0 si sus instancias de Flink est\u00e1n expuestas.\u0026#xa0;El problema se corrigi\u00f3 en el commit a5264a6f41524afe8ceadf1d8ddc8c80f323ebc4 de apache/flink:master"
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"id": "CVE-2020-17518",
"lastModified": "2024-11-21T05:08:16.340",
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"authentication": "NONE",
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"baseScore": 5.0,
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"integrityImpact": "PARTIAL",
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"scope": "UNCHANGED",
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"sourceIdentifier": "security@apache.org",
"vulnStatus": "Modified",
"weaknesses": [
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"lang": "en",
"value": "CWE-23"
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"source": "security@apache.org",
"type": "Secondary"
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"value": "CWE-22"
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"source": "nvd@nist.gov",
"type": "Primary"
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}
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Sightings
| Author | Source | Type | Date |
|---|
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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