CVE-2018-3729 Path Traversal in localhost-now
A path traversal vulnerability in the localhost-now Node.js module allows attackers to read arbitrary files with known paths.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2018-3729?
CVE-2018-3729 is a high-severity path traversal vulnerability in HackerOne localhost-now node module, published on 7 Jun 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
localhost-now node module suffers from a Path Traversal vulnerability due to lack of validation of file, which allows a malicious user to read content of any file with known path.
Weakness: CWE-22
Which versions are affected by CVE-2018-3729?
2 open source packages ship an affected version, including localhost-now. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
localhost-now npm | All versions | 1.0.2 |
localhost-now npm | All versions | 1.0.2 |
Products include Localhost-Now Project Localhost-Now.
How do I fix CVE-2018-3729?
Upgrade localhost-now to 1.0.2 or later.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2018-3729 being exploited?
There is no known exploitation of CVE-2018-3729 in the wild and no public exploit code.
Other vulnerabilities in HackerOne localhost-now node module
Sources
Also known as GHSA-2gjg-5x33-mmp2.