Learn about CVE-2021-23355, a vulnerability in ps-kill package allowing arbitrary command injection. Understand the impact, affected versions, and mitigation steps.
A detailed overview of CVE-2021-23355, a vulnerability affecting the 'ps-kill' package leading to arbitrary command injection.
Understanding CVE-2021-23355
This vulnerability impacts all versions of the 'ps-kill' package, potentially allowing attackers to execute arbitrary commands.
What is CVE-2021-23355?
CVE-2021-23355 is an arbitrary command injection vulnerability in the 'ps-kill' package due to inadequate input sanitization in the 'index.js' file.
The Impact of CVE-2021-23355
The vulnerability has a CVSS base score of 5.6, with a medium severity rating. Attackers can exploit it to execute arbitrary commands.
Technical Details of CVE-2021-23355
An analysis of the vulnerability's description, affected systems, and exploitation mechanism.
Vulnerability Description
The issue arises from unfiltered user input provided to the 'kill' function, enabling malicious command execution.
Affected Systems and Versions
All versions of the 'ps-kill' package are impacted by this vulnerability.
Exploitation Mechanism
Attackers can leverage the child_process exec function without proper input validation to run arbitrary commands.
Mitigation and Prevention
Guidance on addressing and safeguarding systems against CVE-2021-23355.
Immediate Steps to Take
Implement input sanitization to prevent unauthorized command execution. Consider removing or updating the vulnerable package.
Long-Term Security Practices
Regularly audit packages for security flaws and educate developers on secure coding practices.
Patching and Updates
Stay informed about security patches for the 'ps-kill' package and apply them promptly to mitigate the vulnerability.