CVE-2020-25461 Explained : Impact and Mitigation
Learn about CVE-2020-25461, a vulnerability in Moddable SDK before OS200908 that allows denial of service attacks. Find out how to mitigate and prevent this issue.
Moddable SDK before OS200908 is prone to an Invalid Memory Access vulnerability in the fxProxyGetter function, leading to a denial of service (SEGV).
Understanding CVE-2020-25461
This CVE describes a vulnerability in the Moddable SDK that can result in a denial of service due to an invalid memory access.
What is CVE-2020-25461?
The vulnerability occurs in the fxProxyGetter function within moddable/xs/sources/xsProxy.c in the Moddable SDK before OS200908, allowing attackers to trigger a denial of service (SEGV) by exploiting this issue.
The Impact of CVE-2020-25461
The impact of this vulnerability is the potential for a denial of service, which can disrupt the normal operation of the affected system, leading to downtime and potential data loss.
Technical Details of CVE-2020-25461
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability lies in the fxProxyGetter function in moddable/xs/sources/xsProxy.c in the Moddable SDK before OS200908, where an invalid memory access can be triggered.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Versions: All versions before OS200908 are affected
Exploitation Mechanism
Attackers can exploit this vulnerability by crafting specific requests to trigger the invalid memory access, leading to a denial of service condition.
Mitigation and Prevention
Protecting systems from CVE-2020-25461 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply the latest security patches provided by Moddable-OpenSource to mitigate the vulnerability
- Monitor system logs for any unusual activities that might indicate exploitation
Long-Term Security Practices
- Regularly update the Moddable SDK to ensure the latest security fixes are in place
- Conduct security assessments and penetration testing to identify and address vulnerabilities proactively
Patching and Updates
- Ensure that the Moddable SDK is regularly updated to the latest version to patch known vulnerabilities and enhance overall system security