Onlyoffice: >> Document Server >> 5.6.4 Security Vulnerabilities
A file extension handling issue was found in [core] module of ONLYOFFICE DocumentServer v4.2.0.236-v5.6.4.13. An attacker must request the conversion of the crafted file from DOCT into DOCX format. Using the chain of two other bugs related to improper string handling, an attacker can achieve remote code execution on DocumentServer.
CVSS Score
9.8
EPSS Score
0.053
Published
2021-03-01
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.
CVSS Score
9.8
EPSS Score
0.083
Published
2021-03-01
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