CVE-2021-4326 Imperative Local Command Injection allows Activity Masking
Privileged local users can execute arbitrary shell commands via Zowe CLI plugin operations or environment variables.
- 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-2021-4326?
CVE-2021-4326 is a low-severity command injection vulnerability in Open Mainframe Project Zowe, published on 22 Feb 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A vulnerability in Imperative framework which allows already-privileged local actors to execute arbitrary shell commands via plugin install/update commands, or maliciously formed environment variables. Impacts Zowe CLI.
Which versions are affected by CVE-2021-4326?
4 open source packages ship an affected version, including @zowe/imperative. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
@zowe/imperative npm | All versions | 4.18.10 |
@zowe/imperative npm | All versions | 4.18.10 |
@zowe/imperative npm | From 5.0.0 | 5.7.1 |
@zowe/imperative npm | From 5.0.0 | 5.7.1 |
Products include Linuxfoundation Zowe.
How do I fix CVE-2021-4326?
Upgrade @zowe/imperative to a fixed version for your release line: 4.18.10 or 5.7.1.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2021-4326 being exploited?
There is no known exploitation of CVE-2021-4326 in the wild and no public exploit code.
Sources
Also known as GHSA-6q8m-42qq-64r7.