CVE-2021-46325 : What You Need to Know
Learn about CVE-2021-46325 affecting Espruino 2v10.246, a stack buffer overflow vulnerability that could allow arbitrary code execution. Find mitigation steps and patching recommendations here.
Espruino 2v10.246 was discovered to contain a stack buffer overflow vulnerability via src/jsutils.c in vcbprintf.
Understanding CVE-2021-46325
What is CVE-2021-46325?
Espruino 2v10.246 is affected by a stack buffer overflow vulnerability.
The Impact of CVE-2021-46325
The vulnerability could potentially allow an attacker to execute arbitrary code or crash the system by overflowing the stack buffer.
Technical Details of CVE-2021-46325
Vulnerability Description
The vulnerability exists in Espruino 2v10.246 due to a stack buffer overflow via src/jsutils.c in vcbprintf.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Version: Not applicable
Exploitation Mechanism
The vulnerability can be exploited by crafting specific input to trigger a stack buffer overflow in the affected version.
Mitigation and Prevention
Immediate Steps to Take
- Apply security patches provided by the vendor promptly.
- Avoid executing untrusted code on systems that run vulnerable versions.
Long-Term Security Practices
- Implement secure coding practices to prevent buffer overflow vulnerabilities.
- Regularly update and monitor systems for security vulnerabilities.
Patching and Updates
It is crucial to update to a patched version of Espruino to mitigate the stack buffer overflow vulnerability.