Onlyoffice: >> Document Server >> 5.5.0 Security Vulnerabilities
A file extension handling issue was found in [core] module of ONLYOFFICE DocumentServer v4.0.0-9-v5.6.3. An attacker must request the conversion of the crafted file from PPTT into PPTX format. Using the chain of two other bugs related to improper string handling, a remote attacker can obtain remote code execution on DocumentServer.
CVSS Score
9.8
EPSS Score
0.036
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
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.
CVSS Score
9.8
EPSS Score
0.076
Published
2021-03-01
Directory traversal with remote code execution can occur in /upload in ONLYOFFICE Document Server before 5.6.3, when JWT is used, via a /.. sequence in an image upload parameter.
CVSS Score
9.8
EPSS Score
0.068
Published
2021-01-26
An issue was discovered in ONLYOFFICE Document Server 5.5.0. An attacker can craft a malicious .docx file, and exploit the NSFileDownloader function to pass parameters to a binary (such as curl or wget) and remotely execute code on a victim's server.
CVSS Score
9.8
EPSS Score
0.006
Published
2020-04-15
An issue was discovered in ONLYOFFICE Document Server 5.5.0. An attacker can craft a malicious .docx file, and exploit XML injection to enter an attacker-controlled parameter into the x2t binary, to rewrite this binary and/or libxcb.so.1, and execute code on a victim's server.
CVSS Score
9.8
EPSS Score
0.006
Published
2020-04-15
An issue was discovered in ONLYOFFICE Document Server 5.5.0. An attacker can craft a malicious .docx file, and exploit the unzip function to rewrite a binary and remotely execute code on a victim's server.
CVSS Score
9.8
EPSS Score
0.005
Published
2020-04-15
A SQL Injection issue was discovered in ONLYOFFICE Document Server 5.5.0. An attacker can execute arbitrary SQL queries via injection to DocID parameter of Websocket API.
CVSS Score
9.8
EPSS Score
0.003
Published
2020-04-15
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