CVE-2021-46534 : Exploit Details and Defense Strategies
Learn about CVE-2021-46534 affecting Cesanta MJS v2.20.0. Understand the SEGV vulnerability's impact, affected systems, exploitation, and mitigation steps.
Cesanta MJS v2.20.0 has a vulnerability that can lead to a Denial of Service (DoS) due to a SEGV issue.
Understanding CVE-2021-46534
Cesanta MJS v2.20.0 contains a vulnerability that can be exploited for a Denial of Service attack.
What is CVE-2021-46534?
Cesanta MJS v2.20.0 has a SEGV vulnerability through getprop_builtin_foreign at src/mjs_exec.c, potentially leading to a DoS.
The Impact of CVE-2021-46534
This vulnerability in Cesanta MJS v2.20.0 can result in a Denial of Service attack, impacting system availability.
Technical Details of CVE-2021-46534
Cesanta MJS v2.20.0 Vulnerability
Vulnerability Description
The vulnerability in Cesanta MJS v2.20.0 lies in getprop_builtin_foreign at src/mjs_exec.c, posing a risk of DoS attacks.
Affected Systems and Versions
- Product: n/a
- Vendor: n/a
- Version: n/a
Exploitation Mechanism
The vulnerability can be exploited through the getprop_builtin_foreign function, potentially causing a DoS.
Mitigation and Prevention
Actions to Secure Systems
Immediate Steps to Take
- Apply vendor patches or updates if available
- Monitor system logs for any suspicious activity
- Implement network controls to limit access
Long-Term Security Practices
- Regularly update software and libraries
- Conduct security assessments and penetration testing
Patching and Updates
- Check for patches or updates from Cesanta to address the vulnerability