CVE-2020-19693 : Security Advisory and Response
Learn about CVE-2020-19693, a vulnerability in Espruino Espruino 6ea4c0a that allows attackers to execute arbitrary code. Find out the impact, affected systems, exploitation mechanism, and mitigation steps.
CVE-2020-19693 is a vulnerability found in Espruino Espruino 6ea4c0a that allows an attacker to execute arbitrary code. Learn about the impact, technical details, and mitigation steps.
Understanding CVE-2020-19693
What is CVE-2020-19693?
The vulnerability in Espruino Espruino 6ea4c0a enables attackers to execute arbitrary code through the oldFunc parameter of the jswrap_object.c:jswrap_function_replacewith endpoint.
The Impact of CVE-2020-19693
This vulnerability can lead to unauthorized execution of code, potentially compromising the security and integrity of the affected system.
Technical Details of CVE-2020-19693
Vulnerability Description
The issue in Espruino Espruino 6ea4c0a allows attackers to execute arbitrary code by manipulating the oldFunc parameter.
Affected Systems and Versions
- Vendor: n/a
- Product: n/a
- Versions: All versions are affected.
Exploitation Mechanism
Attackers can exploit this vulnerability by providing malicious input through the oldFunc parameter, leading to the execution of unauthorized code.
Mitigation and Prevention
Immediate Steps to Take
- Disable any unnecessary functionality that may expose the vulnerable endpoint.
- Implement input validation to sanitize user-supplied data.
- Monitor system logs for any suspicious activities.
Long-Term Security Practices
- Regularly update and patch the software to address known vulnerabilities.
- Conduct security assessments and penetration testing to identify and remediate weaknesses.
Patching and Updates
Apply patches and updates provided by Espruino to fix the vulnerability and enhance system security.