CVE-2021-46532 : Vulnerability Insights and Analysis
Learn about CVE-2021-46532, a SEGV vulnerability in Cesanta MJS v2.20.0 that could lead to Denial of Service (DoS). Find out the impact, technical details, and mitigation steps.
Cesanta MJS v2.20.0 contains a SEGV vulnerability that can lead to a Denial of Service (DoS).
Understanding CVE-2021-46532
What is CVE-2021-46532?
Cesanta MJS v2.20.0 has a SEGV vulnerability via exec_expr at src/mjs_exec.c, potentially causing a DoS.
The Impact of CVE-2021-46532
The vulnerability in Cesanta MJS v2.20.0 may result in a Denial of Service (DoS) attack.
Technical Details of CVE-2021-46532
Vulnerability Description
The vulnerability arises from a SEGV issue in Cesanta MJS v2.20.0 within the exec_expr function at src/mjs_exec.c.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Version: Not applicable
Exploitation Mechanism
The vulnerability can be exploited by triggering the exec_expr function in Cesanta MJS v2.20.0.
Mitigation and Prevention
Immediate Steps to Take
- Apply security patches promptly.
- Monitor vendor updates for fixes.
- Restrict network access to vulnerable systems.
Long-Term Security Practices
- Conduct regular security assessments.
- Implement secure coding practices.
Patching and Updates
Regularly update Cesanta MJS to the latest version to address known vulnerabilities.