ID:5013 - Exploit for Path traversal in Flink - CVE-2020-17518

Link to public exploit:

Vulnerability description

The vulnerability allows a remote user to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences while uploading files via a REST handler. A remote user can send a specially crafted HTTP request with a modified HTTP header and upload files to an arbitrary location on the system.

Remediation