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.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11536
Reference (s):
- https://gist.github.com/andrewaeva/beb92d3d2f1c5672dbda5050e323f6a0
- https://github.com/ONLYOFFICE/DocumentServer/blob/master/CHANGELOG.md#551