CVE-2021-23374 : Exploit Details and Defense Strategies
Learn about CVE-2021-23374, a high-severity vulnerability in ps-visitor package allowing arbitrary command execution. Find out its impact, affected systems, and mitigation steps.
A detailed explanation of CVE-2021-23374 focusing on arbitrary command injection vulnerability in package ps-visitor.
Understanding CVE-2021-23374
A critical vulnerability impacting all versions of ps-visitor package that could allow attackers to execute arbitrary commands.
What is CVE-2021-23374?
CVE-2021-23374 is an arbitrary command injection vulnerability in ps-visitor package due to lack of input sanitization in the kill function, enabling attackers to run malicious commands.
The Impact of CVE-2021-23374
With a CVSS base score of 7.3, this high-severity vulnerability poses a significant risk as it enables attackers to execute arbitrary commands without the need for any special privileges.
Technical Details of CVE-2021-23374
A deeper look into the technical aspects of the vulnerability affecting ps-visitor package.
Vulnerability Description
The vulnerability arises from the usage of the child_process exec function without proper input validation, allowing for arbitrary command injection.
Affected Systems and Versions
All versions of ps-visitor package are affected by this vulnerability.
Exploitation Mechanism
By providing attacker-controlled input to the kill function, threat actors can exploit this vulnerability to execute arbitrary commands.
Mitigation and Prevention
Actions to mitigate the risks posed by CVE-2021-23374 and prevent potential exploitation.
Immediate Steps to Take
- Update ps-visitor to the latest version that includes a patch addressing the vulnerability.
- Implement input validation and sanitization mechanisms to prevent command injection attacks.
Long-Term Security Practices
- Regularly monitor and audit input/output handling within the application to detect vulnerabilities early.
- Educate developers on secure coding practices and the importance of input validation.
Patching and Updates
Stay informed about security updates released by the ps-visitor package maintainer and promptly apply patches to ensure protection against known vulnerabilities.