CVE-2021-25832

Description

A heap buffer overflow vulnerability inside of BMP image processing was found at [core] module of ONLYOFFICE DocumentServer v4.0.0-9-v6.0.0. Using this vulnerability, an attacker is able to gain remote code executions on DocumentServer.

References

https://github.com/merrychap/poc_exploits/tree/master/ONLYOFFICE/CVE-2021-25832

https://github.com/ONLYOFFICE/core/blob/v6.0.1.15/DesktopEditor/cximage/CxImage/ximabmp.cpp#L358

https://github.com/ONLYOFFICE/core/blob/v6.0.1.15/DesktopEditor/cximage/CxImage/ximabmp.cpp#L354

https://github.com/ONLYOFFICE/core/blob/v6.0.1.15/ASCOfficePPTXFile/Editor/BinaryFileReaderWriter.cpp#L428

https://github.com/ONLYOFFICE/core/blob/v6.0.1.15/ASCOfficePPTXFile/Editor/BinaryFileReaderWriter.cpp#L424

https://github.com/ONLYOFFICE/core

https://github.com/ONLYOFFICE/DocumentServer

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3

EPSS