Vulnerability Description
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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Provideserver | Provide Ftp Server | <= 13.1 |
Related Weaknesses (CWE)
References
- https://github.com/belong2yourself/vulnerabilities/tree/master/ProVide/Sandbox%2ExploitThird Party Advisory
- https://www.provideserver.com/security/Vendor Advisory
- https://github.com/belong2yourself/vulnerabilities/tree/master/ProVide/Sandbox%2ExploitThird Party Advisory
- https://www.provideserver.com/security/Vendor Advisory
FAQ
What is CVE-2020-11707?
CVE-2020-11707 is a vulnerability with a CVSS score of 8.8 (HIGH). 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 Junc...
How severe is CVE-2020-11707?
CVE-2020-11707 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-11707?
Check the references section above for vendor advisories and patch information. Affected products include: Provideserver Provide Ftp Server.