CVE-2021-23377 : Vulnerability Insights and Analysis
Learn about CVE-2021-23377, a critical Arbitrary Command Injection vulnerability impacting onion-oled-js package. Understand the impact, technical details, and mitigation steps.
This CVE-2021-23377 article provides insights into a critical vulnerability known as Arbitrary Command Injection affecting the 'onion-oled-js' package.
Understanding CVE-2021-23377
CVE-2021-23377, also known as Arbitrary Command Injection, was made public on April 18, 2021. The vulnerability impacts all versions of the 'onion-oled-js' package, allowing attackers to execute arbitrary commands when user input is not properly sanitized.
What is CVE-2021-23377?
This vulnerability stems from the use of the 'child_process exec' function without input sanitization in the 'onion-oled-js' package. Attackers can exploit this flaw by providing malicious user input to the scroll function.
The Impact of CVE-2021-23377
The CVSSv3.1 base score for CVE-2021-23377 is 9.8, classifying it as critical. It has a high impact on confidentiality, integrity, and availability of affected systems, posing a significant security risk.
Technical Details of CVE-2021-23377
This section delves into the specifics of the vulnerability, the affected systems, and how it can be exploited.
Vulnerability Description
The vulnerability allows threat actors to execute arbitrary commands by manipulating user input provided to the scroll function due to inadequate input sanitization.
Affected Systems and Versions
All versions of the 'onion-oled-js' package are susceptible to this vulnerability. Specifically, when unfiltered user input is passed to the scroll function.
Exploitation Mechanism
Exploiting this vulnerability involves providing attacker-controlled input to the scroll function, enabling the execution of arbitrary commands within the affected system.
Mitigation and Prevention
Protecting systems from CVE-2021-23377 requires immediate actions and long-term security measures to prevent exploitation.
Immediate Steps to Take
Developers and users should update to a patched version of the 'onion-oled-js' package and sanitize user inputs to prevent command injection attacks.
Long-Term Security Practices
Implement input validation and sanitization practices to ensure user inputs are safe and perform regular security audits to detect and mitigate such vulnerabilities.
Patching and Updates
Stay informed about security updates for the 'onion-oled-js' package and apply patches promptly to prevent exploitation of known vulnerabilities.