PT-2021-16807

Name of the Vulnerable Software and Affected Versions ONLYOFFICE DocumentServer versions 4.0.0 through 6.0.0 Description A heap buffer overflow vulnerability was found in the BMP image processing of the core module. This issue allows an attacker to gain remote code execution on the DocumentServer...

CVE-2021-25832: Out-of-bounds Write

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...

PT-2021-16804

Name of the Vulnerable Software and Affected Versions ONLYOFFICE DocumentServer versions 4.0.0 through 5.6.3 Description An improper binary stream data handling issue was found in the core module. This issue allows an attacker to produce a denial of service attack that can eventually shut down th...

PT-2021-16806

Name of the Vulnerable Software and Affected Versions ONLYOFFICE DocumentServer versions 4.0.0 through 5.6.3 Description A file extension handling issue was found in the core module of ONLYOFFICE DocumentServer. An attacker must request the conversion of a crafted file from PPTT into PPTX format...

PT-2021-16805

Name of the Vulnerable Software and Affected Versions ONLYOFFICE DocumentServer versions 4.2.0.236 through 5.6.4.13 Description A file extension handling issue was found in the core module of ONLYOFFICE DocumentServer. An attacker must request the conversion of a crafted file from DOCT into DOCX...

PT-2021-16808

Name of the Vulnerable Software and Affected Versions ONLYOFFICE DocumentServer versions 4.2.0.71 through 5.6.0.21 Description A file extension handling issue was found in the server module of ONLYOFFICE DocumentServer. The file extension can be controlled by an attacker through the request data,...

CVE-2021-25830: Undefined Security Weakness

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...