CVE-2021-46340 : What You Need to Know
Discover the impact of CVE-2021-46340 affecting JerryScript 3.0.0. Learn about the vulnerability, affected systems, exploitation, and mitigation steps to ensure your system's security.
JerryScript 3.0.0 is affected by an assertion failure in scanner_scan_statement_end function.
Understanding CVE-2021-46340
What is CVE-2021-46340?
JerryScript 3.0.0 experiences an assertion failure due to a specific condition not being met in the scanner_scan_statement_end function.
The Impact of CVE-2021-46340
This vulnerability can potentially lead to a denial of service (DoS) attack where the application using JerryScript may crash unexpectedly.
Technical Details of CVE-2021-46340
Vulnerability Description
The assertion 'context_p->stack_top_uint8 == SCAN_STACK_TRY_STATEMENT || context_p->stack_top_uint8 == SCAN_STACK_CATCH_STATEMENT' fails in JerryScript 3.0.0's scanner_scan_statement_end function.
Affected Systems and Versions
- Affected System: JerryScript 3.0.0
- Affected Version: 3.0.0
Exploitation Mechanism
The vulnerability can be exploited by crafting specific inputs that trigger the conditions leading to the assertion failure.
Mitigation and Prevention
Immediate Steps to Take
- Update JerryScript to the latest version.
- Monitor official channels for patches or workarounds.
Long-Term Security Practices
- Regularly update software dependencies.
- Conduct security assessments and code reviews.
Patching and Updates
Ensure all software components, including JerryScript, are kept up to date to prevent exploitation of known vulnerabilities.