CVE-2021-46514 : Exploit Details and Defense Strategies
Learn about the CVE-2021-46514 vulnerability in Cesanta MJS v2.20.0, its impact, technical details, affected systems, exploitation mechanism, and mitigation steps.
Cesanta MJS v2.20.0 has a vulnerability in src/mjs_core.c leading to assertion failure.
Understanding CVE-2021-46514
The CVE-2021-46514 vulnerability in Cesanta MJS v2.20.0 can have various impacts.
What is CVE-2021-46514?
The vulnerability arises from an assertion failure in src/mjs_core.c within Cesanta MJS v2.20.0.
The Impact of CVE-2021-46514
The vulnerability may allow attackers to launch specific attacks or cause application crashes.
Technical Details of CVE-2021-46514
Details on the technical aspects of CVE-2021-46514.
Vulnerability Description
An assertion 'ppos != NULL && mjs_is_number(*ppos)' fails in src/mjs_core.c in Cesanta MJS v2.20.0.
Affected Systems and Versions
- Affected Version: Cesanta MJS v2.20.0
Exploitation Mechanism
The vulnerability could potentially be exploited by providing crafted inputs to trigger the assertion failure.
Mitigation and Prevention
Ways to mitigate the CVE-2021-46514 vulnerability.
Immediate Steps to Take
- Monitor vendor for patches
- Implement code review and testing procedures
Long-Term Security Practices
- Regularly update software
- Employ secure coding practices
Patching and Updates
Stay informed about patches and updates from the vendor to address the vulnerability.