CVE-2021-23363 Arbitrary Command Injection
Medium 6.3
Published
Updated
Check this codebase for CVE-2021-23363 and fix it if it is affected.
What it is: CVE-2021-23363 is a medium-severity vulnerability in kill-by-port, published on 30 Mar 2021.
Exploitation: There is no known exploitation of CVE-2021-23363 in the wild and no public exploit code.
Affected packages and fixed versions:
- kill-by-port (npm): affected all versions; fixed in 0.0.2
- kill-by-port (npm): affected all versions; fixed in 0.0.2
Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.
Reference: https://insights.sbomify.com/CVE-2021-23363/ (Markdown: https://insights.sbomify.com/CVE-2021-23363/index.md)
- Exploited in the wild
- Not known
- Fix
- Available
What is CVE-2021-23363?
CVE-2021-23363 is a medium-severity vulnerability in kill-by-port, published on 30 Mar 2021.
Official description
This affects the package kill-by-port before 0.0.2. If (attacker-controlled) user input is given to the killByPort function, it is possible for an attacker to execute arbitrary commands. This is due to use of the child_process exec function without input sanitization.
Weakness: CWE-78
Which versions are affected by CVE-2021-23363?
2 open source packages ship an affected version, including kill-by-port. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
kill-by-port npm | All versions | 0.0.2 |
kill-by-port npm | All versions | 0.0.2 |
Products include Kill-by-Port Project Kill-by-Port.
How do I fix CVE-2021-23363?
Upgrade kill-by-port to 0.0.2 or later.
Is CVE-2021-23363 being exploited?
There is no known exploitation of CVE-2021-23363 in the wild and no public exploit code.
Sources
Also known as GHSA-mm4f-47ch-f7hx, SNYK-JS-KILLBYPORT-1078531.