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CVE-2021-25833

CVE-2021-25833

EPSS 43.5%
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.
Produtos afetados
n/a · n/a

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Referências
https://github.com/merrychap/poc_exploits/tree/master/ONLYOFFICE/CVE-2021-25833https://github.com/ONLYOFFICE/DocumentServerhttps://github.com/ONLYOFFICE/serverhttps://github.com/ONLYOFFICE/server/blob/v5.6.0.21/DocService/sources/converterservice.js#L200https://github.com/ONLYOFFICE/server/blob/v5.6.0.21/FileConverter/sources/converter.js#L283https://github.com/ONLYOFFICE/server/blob/v5.6.0.21/FileConverter/sources/converter.js#L593