QwikSec

Security Database

CVE

CWE

Training

CVE-2021-25833

Published: Mar 1, 2021

Modified: Aug 3, 2024

PUBLISHED

Description

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.

Vendor	Product	Versions
n/a	n/a	affected `n/a`

References

https://github.com/ONLYOFFICE/DocumentServer

x_refsource_MISC

https://github.com/ONLYOFFICE/server

x_refsource_MISC

https://github.com/ONLYOFFICE/server/blob/v5.6.0.21/DocService/sources/converterservice.js#L200

x_refsource_MISC

https://github.com/ONLYOFFICE/server/blob/v5.6.0.21/FileConverter/sources/converter.js#L593

x_refsource_MISC

https://github.com/ONLYOFFICE/server/blob/v5.6.0.21/FileConverter/sources/converter.js#L283

x_refsource_MISC

https://github.com/merrychap/poc_exploits/tree/master/ONLYOFFICE/CVE-2021-25833

x_refsource_MISC

Security Training

Train your team to recognize and prevent security threats with our comprehensive security awareness program.

Vulnerability Scanning

Discover vulnerabilities in your applications and infrastructure before attackers do.