CVE-2021-46508 : Security Advisory and Response
Learn about CVE-2021-46508, a vulnerability in Cesanta MJS v2.20.0 due to an assertion failure. Find out the impact, affected systems, exploitation risks, and mitigation steps.
This CVE involves an assertion failure in Cesanta MJS v2.20.0, leading to a vulnerability.
Understanding CVE-2021-46508
What is CVE-2021-46508?
The vulnerability occurs due to an Assertion `i < parts_cnt' failure in src/mjs_bcode.c within Cesanta MJS v2.20.0.
The Impact of CVE-2021-46508
The vulnerability could potentially lead to a security breach or denial of service (DoS) attack if exploited.
Technical Details of CVE-2021-46508
Vulnerability Description
The vulnerability stems from an assertion failure in the specified source file.
Affected Systems and Versions
- Vendor: Cesanta
- Product: MJS
- Version: 2.20.0
Exploitation Mechanism
- Attackers could potentially exploit this vulnerability to execute arbitrary code, cause a DoS condition, or gain unauthorized access.
Mitigation and Prevention
Immediate Steps to Take
- Update Cesanta MJS to a patched version as soon as it becomes available.
- Regularly monitor vendor announcements for security updates.
Long-Term Security Practices
- Implement secure coding practices to prevent similar vulnerabilities.
- Conduct regular security assessments and penetration testing.
Patching and Updates
- Apply security patches promptly to address known vulnerabilities and enhance overall system security.