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.
Remediation
References
https://github.com/tylerjpeterson/port-killer/blob/1ca3a99ad80cc9ed5498d12b185189c10329025b/index.js%23L19
https://snyk.io/vuln/SNYK-JS-PORTKILLER-1078533
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