Path traversal in tgstation-server - CVE-2020-16136

 

Path traversal in tgstation-server - CVE-2020-16136

Published: August 4, 2020


Vulnerability identifier: #VU33670
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-16136
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: tgstation13.org
Affected software:
tgstation-server

Detailed vulnerability description

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

The vulnerability exists due to input validation error when processing directory traversal sequences in "/Administration/Logs/" requests. A remote authenticated attacker can send a specially crafted HTTP request and download arbitrary files on the system.


How to mitigate CVE-2020-16136

Install update from vendor's website.

Sources