CVE-2021-3199

ONLYOFFICE Docs Server Path Traversal Vulnerability

Document Server

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.

26. Jan 2021

Ausgewertete Quellen

• CISA
  https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-3199
• CISA
  ONLYOFFICE Docs Server Path Traversal Vulnerability
• NVD
  CVE-2021-3199
• GitHub
  https://github.com/ONLYOFFICE/DocumentServer/blob/903fe5ab7a275bd69c3c3346af2d21cf87ebeabf/CHANGELOG.md#563
• GitHub
  https://github.com/moehw/poc_exploits/tree/master/CVE-2021-3199/poc_uploadImageFile.py
• GitHub
  https://github.com/nola-milkin/poc_exploits/blob/master/CVE-2021-3199/poc_uploadImageFile.py