CVE-2021-46338 : Security Advisory and Response
Discover how CVE-2021-46338, an assertion failure in JerryScript 3.0.0, poses a security risk. Learn about the impact, affected systems, exploitation, and mitigation steps.
A vulnerability in JerryScript 3.0.0 leads to an assertion failure in ecma-helpers.c, potentially impacting systems.
Understanding CVE-2021-46338
What is CVE-2021-46338?
The vulnerability arises from an assertion failure in JerryScript, specifically in ecma-helpers.c, affecting version 3.0.0.
The Impact of CVE-2021-46338
The vulnerability may lead to a security compromise or denial of service by malicious actors exploiting the assertion failure in JerryScript.
Technical Details of CVE-2021-46338
Vulnerability Description
An assertion 'ecma_is_lexical_environment (object_p)' fails at /base/ecma-helpers.c(ecma_get_lex_env_type) in JerryScript 3.0.0.
Affected Systems and Versions
- Affected Product: N/A
- Affected Vendor: N/A
- Affected Version: N/A
Exploitation Mechanism
The vulnerability can be exploited by specifically crafting input that triggers the assertion failure, potentially leading to unauthorized access or system instability.
Mitigation and Prevention
Immediate Steps to Take
- Update JerryScript to a patched version that addresses the assertion failure.
- Implement strict input validation to reduce the likelihood of exploitation.
Long-Term Security Practices
- Regularly update software components to incorporate security patches.
- Conduct security assessments and audits to identify and remediate vulnerabilities in the codebase.
Patching and Updates
Ensure timely application of patches and updates to all software components, particularly JerryScript, to mitigate the risk of exploitation.