CVE-2021-46528 : Security Advisory and Response
Discover details about CVE-2021-46528 affecting Cesanta MJS v2.20.0 leading to a Denial of Service (DoS) vulnerability. Learn how to mitigate and prevent this issue.
Cesanta MJS v2.20.0 contains a SEGV vulnerability that can lead to a Denial of Service (DoS).
Understanding CVE-2021-46528
What is CVE-2021-46528?
Cesanta MJS v2.20.0 has been found to have a SEGV vulnerability, potentially resulting in a Denial of Service (DoS) attack.
The Impact of CVE-2021-46528
The vulnerability in Cesanta MJS v2.20.0 can be exploited to cause a Denial of Service (DoS) on the affected system.
Technical Details of CVE-2021-46528
Vulnerability Description
The vulnerability exists in Cesanta MJS v2.20.0 through /usr/local/bin/mjs+0x5361e, allowing attackers to trigger a SEGV issue.
Affected Systems and Versions
- Product: n/a
- Version: n/a
Exploitation Mechanism
The vulnerability can be triggered through a specific path in the Cesanta MJS software, potentially leading to a Denial of Service (DoS) attack.
Mitigation and Prevention
Immediate Steps to Take
- Monitor official sources for a patch or update from Cesanta.
- Implement restrictive access controls to limit exposure.
Long-Term Security Practices
- Regularly update the software to the latest patched version.
- Conduct security assessments to identify and remediate vulnerabilities.
Patching and Updates
Apply patches or updates provided by Cesanta to address the SEGV vulnerability in Cesanta MJS v2.20.0.