Vulnerability Details : CVE-2020-16136
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.
Vulnerability category: Directory traversal
Products affected by CVE-2020-16136
- cpe:2.3:a:tgstation13:tgstation-server:4.4.0:*:*:*:*:*:*:*
- cpe:2.3:a:tgstation13:tgstation-server:4.4.1:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-16136
0.07%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 29 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-16136
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
6.8
|
MEDIUM | AV:N/AC:L/Au:S/C:C/I:N/A:N |
8.0
|
6.9
|
NIST | |
7.7
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N |
3.1
|
4.0
|
NIST |
CWE ids for CVE-2020-16136
-
The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-16136
-
https://github.com/tgstation/tgstation-server/security/advisories/GHSA-r8pp-42wr-2gc4
Log Downloading Could Traverse Entire Filesystem · Advisory · tgstation/tgstation-server · GitHubThird Party Advisory
-
https://github.com/tgstation/tgstation-server
GitHub - tgstation/tgstation-server: A production scale tool for BYOND server managementThird Party Advisory
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