CVE-2021-23797 Directory Traversal
Attackers can read arbitrary files from the server if the --path-as-is option is enabled in http-server-node.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-23797?
CVE-2021-23797 is a high-severity path traversal vulnerability in http-server-node, published on 17 Dec 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
All versions of package http-server-node are vulnerable to Directory Traversal via use of --path-as-is.
Weakness: CWE-22
Which versions are affected by CVE-2021-23797?
2 open source packages ship an affected version, including http-server-node. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
http-server-node npm | All versions to 1.0.2 | None |
http-server-node npm | All versions to 1.0.2 | None |
Products include Http-Server-Node Project Http-Server-Node.
How do I fix CVE-2021-23797?
No fix has been published for CVE-2021-23797 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2021-23797 being exploited?
There is no known exploitation of CVE-2021-23797 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-hj3m-v758-jwx5, UBUNTU-CVE-2021-23797.