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CVE-2021-25833

CRITICAL

9.8

Descripcion

A file extension handling issue was found in [server] module of ONLYOFFICE DocumentServer v4.2.0.71-v5.6.0.21. The file extension is controlled by an attacker through the request data and leads to arbitrary file overwriting. Using this vulnerability, a remote attacker can obtain remote code execution on DocumentServer.

Detalles CVE

Puntuacion CVSS v3.19.8

SeveridadCRITICAL

Vector CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Vector de ataqueNETWORK

ComplejidadLOW

Privilegios requeridosNONE

Interaccion usuarioNONE

Publicado3/1/2021

Ultima modificacion11/21/2024

Fuentenvd

Avistamientos honeypot0

Productos afectados

onlyoffice:document_server

Debilidades (CWE)

CWE-22

Referencias

https://github.com/ONLYOFFICE/DocumentServer(cve@mitre.org)

https://github.com/ONLYOFFICE/server(cve@mitre.org)

https://github.com/ONLYOFFICE/server/blob/v5.6.0.21/DocService/sources/converterservice.js#L200(cve@mitre.org)

https://github.com/ONLYOFFICE/server/blob/v5.6.0.21/FileConverter/sources/converter.js#L283(cve@mitre.org)

https://github.com/ONLYOFFICE/server/blob/v5.6.0.21/FileConverter/sources/converter.js#L593(cve@mitre.org)

https://github.com/merrychap/poc_exploits/tree/master/ONLYOFFICE/CVE-2021-25833(cve@mitre.org)

https://github.com/ONLYOFFICE/DocumentServer(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/ONLYOFFICE/server(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/ONLYOFFICE/server/blob/v5.6.0.21/DocService/sources/converterservice.js#L200(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/ONLYOFFICE/server/blob/v5.6.0.21/FileConverter/sources/converter.js#L283(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/ONLYOFFICE/server/blob/v5.6.0.21/FileConverter/sources/converter.js#L593(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/merrychap/poc_exploits/tree/master/ONLYOFFICE/CVE-2021-25833(af854a3a-2127-422b-91ae-364da2661108)

Correlaciones IOC

Sin correlaciones registradas

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