CVE-2018-6342 react-dev-utils on Windows vulnerable to Remote Code Execution
An attacker can execute arbitrary commands on a developer's Windows machine by sending unsanitized requests to the local react-dev-utils server.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2018-6342?
CVE-2018-6342 is a critical command injection vulnerability in Facebook react-dev-utils, published on 31 Dec 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
react-dev-utils on Windows allows developers to run a local webserver for accepting various commands, including a command to launch an editor. The input to that command was not properly sanitized, allowing an attacker who can make a network request to the server (either via CSRF or by direct request) to execute arbitrary commands on the targeted system. This issue affects multiple branches: 1.x.x prior to 1.0.4, 2.x.x prior to 2.0.2, 3.x.x prior to 3.1.2, 4.x.x prior to 4.2.2, and 5.x.x prior to 5.0.2.
Weakness: CWE-78
Which versions are affected by CVE-2018-6342?
10 open source packages ship an affected version, including react-dev-utils. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
react-dev-utils npm | From 1.0.0 | 1.0.4 |
react-dev-utils npm | From 1.0.0 | 1.0.4 |
react-dev-utils npm | From 2.0.0 | 2.0.2 |
react-dev-utils npm | From 2.0.0 | 2.0.2 |
react-dev-utils npm | From 3.0.0 | 3.1.2 |
react-dev-utils npm | From 3.0.0 | 3.1.2 |
4 more packages
react-dev-utils npm | From 4.0.0 | 4.2.2 |
react-dev-utils npm | From 4.0.0 | 4.2.2 |
react-dev-utils npm | From 5.0.0 | 5.0.2 |
react-dev-utils npm | From 5.0.0 | 5.0.2 |
Products include Facebook React-Dev-Utils.
How do I fix CVE-2018-6342?
Upgrade react-dev-utils to a fixed version for your release line: 1.0.4, 2.0.2, 3.1.2 or 4.2.2.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2018-6342 being exploited?
There is no known exploitation of CVE-2018-6342 in the wild and no public exploit code.
Other vulnerabilities in Facebook react-dev-utils
Sources
Also known as GHSA-29gp-92wp-94q8.