Vulnerabilities > CVE-2020-11707 - Incorrect Authorization vulnerability in Provideserver Provide FTP Server 13.1
Attack vector
NETWORK Attack complexity
LOW Privileges required
LOW Confidentiality impact
HIGH Integrity impact
HIGH Availability impact
HIGH Summary
An issue was discovered in ProVide (formerly zFTPServer) through 13.1. It doesn't enforce permission over Windows Symlinks or Junctions. As a result, a low-privileged user (non-admin) can craft a Junction Link in a directory he has full control of, breaking out of the sandbox.
Vulnerable Configurations
| Part | Description | Count |
|---|---|---|
| Application | 2 |
Common Weakness Enumeration (CWE)
References
- https://github.com/belong2yourself/vulnerabilities/tree/master/ProVide/Sandbox%20Escape%20via%20Symlink%20or%20Junction
- https://www.provideserver.com/security/
- https://github.com/belong2yourself/vulnerabilities/tree/master/ProVide/Sandbox%20Escape%20via%20Symlink%20or%20Junction
- https://www.provideserver.com/security/