CVE-2021-46344 : Exploit Details and Defense Strategies
Learn about CVE-2021-46344, an Assertion failure in JerryScript 3.0.0 leading to a denial of service (DoS) issue. Find out the affected systems, exploitation mechanism, and mitigation steps.
This CVE-2021-46344 relates to an Assertion failure in JerryScript 3.0.0.
Understanding CVE-2021-46344
What is CVE-2021-46344?
This CVE involves an Assertion failure in JerryScript 3.0.0, specifically in the file js-parser-expr.c.
The Impact of CVE-2021-46344
The vulnerability can lead to a denial of service (DoS) due to the Assertion failure in JerryScript 3.0.0.
Technical Details of CVE-2021-46344
Vulnerability Description
The issue arises from the Assertion 'flags & PARSER_PATTERN_HAS_REST_ELEMENT' failed in JerryScript 3.0.0.
Affected Systems and Versions
- Affected Product: Not applicable
- Affected Vendor: Not applicable
- Affected Version: JerryScript 3.0.0
Exploitation Mechanism
The vulnerability can be exploited to trigger a DoS condition by leveraging the specific Assertion failure.
Mitigation and Prevention
Immediate Steps to Take
- Monitor the official JerryScript updates and patches for fixes.
- Implement strict input validation mechanisms to prevent exploitation.
Long-Term Security Practices
- Regularly update JerryScript to the latest stable version.
- Conduct security audits and code reviews periodically.
Patching and Updates
Stay informed about security advisories from JerryScript and apply patches promptly.