CVE-2020-16136 — HIGH (7.7)

Vulnerability Description

In tgstation-server 4.4.0 and 4.4.1, an authenticated user with permission to download logs can download any file on the server machine (accessible by the owner of the server process) via directory traversal ../ sequences in /Administration/Logs/ requests. The attacker is unable to enumerate files, however.

CVSS Score

7.7

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Tgstation13	Tgstation-Server	4.4.0

Related Weaknesses (CWE)

CWE-22

References

https://github.com/tgstation/tgstation-serverThird Party Advisory
https://github.com/tgstation/tgstation-server/security/advisories/GHSA-r8pp-42wrThird Party Advisory
https://github.com/tgstation/tgstation-serverThird Party Advisory
https://github.com/tgstation/tgstation-server/security/advisories/GHSA-r8pp-42wrThird Party Advisory

FAQ

What is CVE-2020-16136?

CVE-2020-16136 is a vulnerability with a CVSS score of 7.7 (HIGH). In tgstation-server 4.4.0 and 4.4.1, an authenticated user with permission to download logs can download any file on the server machine (accessible by the owner of the server process) via directory tr...

How severe is CVE-2020-16136?

CVE-2020-16136 has been rated HIGH with a CVSS base score of 7.7/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-16136?

Check the references section above for vendor advisories and patch information. Affected products include: Tgstation13 Tgstation-Server.