CVE-2020-23314 : Exploit Details and Defense Strategies

This CVE-2020-23314 article provides insights into a vulnerability found in JerryScript 2.2.0, leading to an assertion failure in the parser.

Understanding CVE-2020-23314

What is CVE-2020-23314?

CVE-2020-23314 is a vulnerability in JerryScript 2.2.0 that triggers an assertion failure at js-parser-statm.c:2003 parser_parse_try_statement_end.

The Impact of CVE-2020-23314

The vulnerability can potentially lead to denial of service or other security compromises in systems using JerryScript 2.2.0.

Technical Details of CVE-2020-23314

Vulnerability Description

An assertion 'block_found' fails at js-parser-statm.c:2003 parser_parse_try_statement_end in JerryScript 2.2.0.

Affected Systems and Versions

Product: JerryScript
Vendor: N/A
Version: 2.2.0

Exploitation Mechanism

The vulnerability can be exploited by crafting specific inputs to trigger the assertion failure.

Mitigation and Prevention

Immediate Steps to Take

Update JerryScript to a patched version that addresses the assertion failure.
Monitor for any unusual behavior in the system that could indicate exploitation.

Long-Term Security Practices

Regularly update software components to mitigate known vulnerabilities.
Implement code review processes to catch similar issues during development.

Patching and Updates

Apply patches provided by JerryScript to fix the vulnerability and prevent potential exploitation.