CVE-2022-1537 Race Condition in Grunt
A TOCTOU race condition in GruntJS file.copy allows local attackers to perform arbitrary file writes, potentially leading to privilege escalation.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-1537?
CVE-2022-1537 is a high-severity vulnerability in gruntjs/grunt, published on 10 May 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
file.copy operations in GruntJS are vulnerable to a TOCTOU race condition leading to arbitrary file write in GitHub repository gruntjs/grunt prior to 1.5.3. This vulnerability is capable of arbitrary file writes which can lead to local privilege escalation to the GruntJS user if a lower-privileged user has write access to both source and destination directories as the lower-privileged user can create a symlink to the GruntJS user's .bashrc file or replace /etc/shadow file if the GruntJS user is root.
Weakness: CWE-367
Which versions are affected by CVE-2022-1537?
2 open source packages ship an affected version, including grunt. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
grunt npm | All versions | 1.5.3 |
grunt npm | All versions | 1.5.3 |
Products include Gruntjs Grunt.
How do I fix CVE-2022-1537?
Upgrade grunt to 1.5.3 or later.
Is CVE-2022-1537 being exploited?
There is no known exploitation of CVE-2022-1537 in the wild and no public exploit code.
Other vulnerabilities in gruntjs/grunt
Sources
Also known as AZL-44082, DEBIAN-CVE-2022-1537, DLA-3383-1, GHSA-rm36-94g8-835r, UBUNTU-CVE-2022-1537.