CVE-2021-46348 : Security Advisory and Response
Learn about CVE-2021-46348 involving an assertion failure in JerryScript 3.0.0. Understand the impact, affected systems, exploitation, and mitigation steps.
This CVE involves an assertion failure in JerryScript 3.0.0, leading to a vulnerability.
Understanding CVE-2021-46348
What is CVE-2021-46348?
An assertion 'ECMA_STRING_IS_REF_EQUALS_TO_ONE (string_p)' failed in JerryScript 3.0.0.
The Impact of CVE-2021-46348
The vulnerability can potentially be exploited to execute arbitrary code or cause a denial of service.
Technical Details of CVE-2021-46348
Vulnerability Description
The assertion failure occurs at /jerry-core/ecma/base/ecma-literal-storage.c in JerryScript 3.0.0.
Affected Systems and Versions
- Product: N/A
- Vendor: N/A
- Version: N/A
Exploitation Mechanism
- The vulnerability can be exploited by triggering the specific assertion failure in the scripting engine.
Mitigation and Prevention
Immediate Steps to Take
- Update JerryScript to a patched version, if available.
- Implement proper input validation to prevent arbitrary code execution.
Long-Term Security Practices
- Regularly monitor for security updates and patches from JerryScript.
- Conduct code reviews and static analysis to detect similar vulnerabilities.
- Follow secure coding practices to minimize the risk of such assertion failures.
Patching and Updates
- Apply patches or updates provided by JerryScript as soon as they are released.