CVE-2021-23359

Public Exploit
Arbitrary Command Injection

Description

This affects all versions of package port-killer. If (attacker-controlled) user input is given, it is possible for an attacker to execute arbitrary commands. This is due to use of the child_process exec function without input sanitization. Running this PoC will cause the command touch success to be executed, leading to the creation of a file called success.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.61%
Third-Party Advisory snyk.io
Affected: n/a port-killer
Published at:
Updated at:

References

Link Tags
https://snyk.io/vuln/SNYK-JS-PORTKILLER-1078533 third party advisory exploit
https://github.com/tylerjpeterson/port-killer/blob/1ca3a99ad80cc9ed5498d12b185189c10329025b/index.js%23L19 broken link

Frequently Asked Questions

What is the severity of CVE-2021-23359?
CVE-2021-23359 has been scored as a high severity vulnerability.
How to fix CVE-2021-23359?
To fix CVE-2021-23359, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-23359 being actively exploited in the wild?
It is possible that CVE-2021-23359 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-23359?
CVE-2021-23359 affects n/a port-killer.
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