CVE-2021-23389 : Exploit Details and Defense Strategies
Learn about CVE-2021-23389, a critical vulnerability in Total.js versions before 3.4.9 that allows arbitrary code execution via the U.set() and U.get() functions. Understand the impact, technical details, and mitigation strategies for this security issue.
Total.js before version 3.4.9 is susceptible to Arbitrary Code Execution through the U.set() and U.get() functions.
Understanding CVE-2021-23389
This CVE highlights a critical vulnerability in Total.js that could allow an attacker to execute arbitrary code on the affected system.
What is CVE-2021-23389?
The vulnerability in Total.js versions prior to 3.4.9 enables an attacker to exploit the U.set() and U.get() functions, leading to arbitrary code execution.
The Impact of CVE-2021-23389
With a CVSS base score of 9.8 (Critical), this vulnerability poses a severe threat to the confidentiality, integrity, and availability of the system. Exploitation can result in unauthorized code execution.
Technical Details of CVE-2021-23389
This section provides detailed technical information related to CVE-2021-23389.
Vulnerability Description
The vulnerability allows threat actors to perform arbitrary code execution using the U.set() and U.get() functions in Total.js versions before 3.4.9.
Affected Systems and Versions
Total.js versions earlier than 3.4.9 are impacted by this vulnerability, making them susceptible to arbitrary code execution attacks.
Exploitation Mechanism
Attackers can exploit this vulnerability by manipulating the U.set() and U.get() functions to execute malicious code on the target system.
Mitigation and Prevention
Protecting systems from CVE-2021-23389 requires immediate action and long-term security measures.
Immediate Steps to Take
Organizations should update Total.js to version 3.4.9 or later to mitigate the risk of arbitrary code execution. Additionally, monitoring for any suspicious activity is crucial.
Long-Term Security Practices
Implementing strong input validation, adopting least privilege principles, and conducting regular security audits can enhance overall system security.
Patching and Updates
Regularly applying security patches and updates provided by Total.js is essential to address known vulnerabilities and enhance the platform's security posture.