Vulnerability · Published Mar 1, 2021 · Assigned by mitre
CVE-2021-25832
Critical 9.8
In plain English
A critical-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 12.6% (higher than 96% of all known vulnerabilities).
Severity (CVSS NVD)9.8Critical
Exploit odds (30 days)12.6%top 3.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
References
- https://github.com/ONLYOFFICE/DocumentServer x_refsource_MISC
- https://github.com/ONLYOFFICE/core x_refsource_MISC
- https://github.com/ONLYOFFICE/core/blob/v6.0.1.15/DesktopEditor/cximage/CxImage/ximabmp.cpp#L358 x_refsource_MISC
- https://github.com/ONLYOFFICE/core/blob/v6.0.1.15/DesktopEditor/cximage/CxImage/ximabmp.cpp#L354 x_refsource_MISC
- https://github.com/ONLYOFFICE/core/blob/v6.0.1.15/ASCOfficePPTXFile/Editor/BinaryFileReaderWriter.cpp#L424 x_refsource_MISC
- https://github.com/ONLYOFFICE/core/blob/v6.0.1.15/ASCOfficePPTXFile/Editor/BinaryFileReaderWriter.cpp#L428 x_refsource_MISC
- https://github.com/merrychap/poc_exploits/tree/master/ONLYOFFICE/CVE-2021-25832 x_refsource_MISC