CVE-2020-23302 : Vulnerability Insights and Analysis
Learn about CVE-2020-23302, a heap-use-after-free vulnerability in JerryScript 2.2.0, allowing attackers to execute arbitrary code. Find mitigation steps and preventive measures here.
This CVE-2020-23302 article provides insights into a heap-use-after-free vulnerability in JerryScript 2.2.0.
Understanding CVE-2020-23302
What is CVE-2020-23302?
CVE-2020-23302 is a heap-use-after-free vulnerability located at ecma-helpers-string.c:772 in ecma_ref_ecma_string within JerryScript 2.2.0.
The Impact of CVE-2020-23302
This vulnerability could allow an attacker to execute arbitrary code or cause a denial of service by exploiting the heap-use-after-free issue.
Technical Details of CVE-2020-23302
Vulnerability Description
The vulnerability exists in ecma-helpers-string.c:772 in ecma_ref_ecma_string in JerryScript 2.2.0, leading to a heap-use-after-free condition.
Affected Systems and Versions
- Affected Product: JerryScript
- Affected Version: 2.2.0
Exploitation Mechanism
The vulnerability can be exploited by an attacker to trigger a heap-use-after-free condition, potentially leading to code execution or denial of service.
Mitigation and Prevention
Immediate Steps to Take
- Apply the latest security patches provided by JerryScript.
- Monitor vendor communications for updates and security advisories.
Long-Term Security Practices
- Regularly update software and libraries to the latest versions.
- Implement secure coding practices to prevent memory-related vulnerabilities.
Patching and Updates
Ensure timely installation of patches and updates released by JerryScript to address the heap-use-after-free vulnerability.