CVE-2020-11707

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
8.8 HIGH
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 60%
VendorProductVersion
provideserverprovide_ftp_server
𝑥
≤ 13.1
𝑥
= Vulnerable software versions
Common Weakness Enumeration
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/