CVE-2021-46332 : Vulnerability Insights and Analysis
Discover the details of CVE-2021-46332, a heap-buffer-overflow vulnerability in Moddable SDK v11.5.0, allowing attackers to execute arbitrary code or cause denial of service. Learn how to mitigate the issue.
Moddable SDK v11.5.0 was discovered to contain a heap-buffer-overflow vulnerability via xs/sources/xsDataView.c in fxUint8Getter.
Understanding CVE-2021-46332
What is CVE-2021-46332?
The CVE-2021-46332 vulnerability involves a heap-buffer-overflow in Moddable SDK v11.5.0, specifically in the fxUint8Getter function within xs/sources/xsDataView.c.
The Impact of CVE-2021-46332
The vulnerability could allow attackers to execute arbitrary code or cause a denial of service by triggering the overflow issue.
Technical Details of CVE-2021-46332
Vulnerability Description
The vulnerability arises due to improper bounds checking leading to a heap-buffer-overflow in Moddable SDK v11.5.0.
Affected Systems and Versions
- Affected Product: Not specified
- Affected Version: Not specified
Exploitation Mechanism
Attackers can exploit this vulnerability by crafting a malicious input to trigger the heap-buffer-overflow, potentially leading to code execution or service disruption.
Mitigation and Prevention
Immediate Steps to Take
- Patch Moddable SDK to the latest version available.
- Monitor security advisories from Moddable-OpenSource for updates.
Long-Term Security Practices
- Implement secure coding practices to prevent buffer overflows.
- Conduct regular security audits and code reviews.
Patching and Updates
Apply patches and updates provided by Moddable-OpenSource to address the heap-buffer-overflow vulnerability in Moddable SDK v11.5.0.