CVE-2017-16038 Directory Traversal in f2e-server
An attacker can read arbitrary files from the server filesystem via directory traversal in f2e-server, potentially exposing sensitive data.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-16038?
CVE-2017-16038 is a high-severity path traversal vulnerability in HackerOne f2e-server node module, published on 4 Jun 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
`f2e-server` 1.12.11 and earlier is vulnerable to a directory traversal issue, giving an attacker access to the filesystem by placing "../" in the url. This is compounded by `f2e-server` requiring elevated privileges to run.
Weakness: CWE-22
Which versions are affected by CVE-2017-16038?
2 open source packages ship an affected version, including f2e-server. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
f2e-server npm | All versions | 1.12.12 |
f2e-server npm | All versions | 1.12.12 |
Products include F2e-Server Project F2e-Server.
How do I fix CVE-2017-16038?
Upgrade f2e-server to 1.12.12 or later.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2017-16038 being exploited?
There is no known exploitation of CVE-2017-16038 in the wild and no public exploit code.
Sources
Also known as GHSA-g7j3-p357-cw8p.