CVE-2020-23306 Explained : Impact and Mitigation
Learn about CVE-2020-23306, a stack-overflow vulnerability in JerryScript 2.2.0, allowing attackers to execute arbitrary code. Find mitigation steps and preventive measures here.
This CVE-2020-23306 article provides insights into a stack-overflow vulnerability in JerryScript 2.2.0.
Understanding CVE-2020-23306
What is CVE-2020-23306?
A stack-overflow vulnerability was identified at ecma-regexp-object.c:535 in ecma_regexp_match in JerryScript 2.2.0.
The Impact of CVE-2020-23306
The vulnerability could potentially allow attackers to execute arbitrary code or crash the application, leading to a denial of service.
Technical Details of CVE-2020-23306
Vulnerability Description
The vulnerability exists in ecma-regexp-object.c:535 in ecma_regexp_match in JerryScript 2.2.0, posing a risk of a stack-overflow.
Affected Systems and Versions
- Product: JerryScript
- Vendor: N/A
- Version: 2.2.0
Exploitation Mechanism
Attackers can exploit this vulnerability by crafting malicious input to trigger the stack-overflow, potentially leading to code execution or application crashes.
Mitigation and Prevention
Immediate Steps to Take
- Apply security patches provided by the vendor promptly.
- Implement input validation to prevent malicious inputs.
- Monitor and restrict memory usage to mitigate stack-overflow risks.
Long-Term Security Practices
- Regularly update software and libraries to the latest versions.
- Conduct security assessments and code reviews to identify and address vulnerabilities.
Patching and Updates
Ensure that all systems running JerryScript 2.2.0 are updated with the latest patches and security fixes to mitigate the stack-overflow vulnerability.