CVE-2021-46336 Explained : Impact and Mitigation
Learn about the assertion failure vulnerability in JerryScript 3.0.0 with CVE-2021-46336. Find out the impact, affected systems, and mitigation steps to enhance security.
This CVE pertains to an assertion failure in JerryScript 3.0.0, specifically in the file js-parser-expr.c.
Understanding CVE-2021-46336
This CVE involves a specific assertion failure in JerryScript 3.0.0.
What is CVE-2021-46336?
The vulnerability triggers an assertion failure related to 'opts & PARSER_CLASS_LITERAL_CTOR_PRESENT' in JerryScript 3.0.0.
The Impact of CVE-2021-46336
The vulnerability can potentially lead to a denial-of-service condition or other unpredictable behaviors.
Technical Details of CVE-2021-46336
This section delves into the technical aspects of the CVE.
Vulnerability Description
An assertion failure occurs at /parser/js/js-parser-expr.c(parser_parse_class_body) in JerryScript 3.0.0.
Affected Systems and Versions
- Affected Versions: JerryScript 3.0.0
- Affected Component: js-parser-expr.c
Exploitation Mechanism
The exact exploitation method of this vulnerability is not disclosed.
Mitigation and Prevention
Protect your systems from CVE-2021-46336 with the following steps.
Immediate Steps to Take
- Apply vendor-supplied patches or updates promptly.
- Monitor official channels for security advisories related to JerryScript.
Long-Term Security Practices
- Regularly update and patch software components to mitigate known vulnerabilities.
- Employ network security measures to restrict unauthorized access.
Patching and Updates
Keep the software up to date to ensure maximum security against known vulnerabilities.