CVE-2020-23323 : Security Advisory and Response
Learn about CVE-2020-23323, a heap-buffer-overflow vulnerability in JerryScript 2.2.0, potentially allowing arbitrary code execution. Find mitigation steps and preventive measures here.
This CVE-2020-23323 article provides insights into a heap-buffer-overflow vulnerability in JerryScript 2.2.0.
Understanding CVE-2020-23323
This section delves into the details of the vulnerability and its impact.
What is CVE-2020-23323?
The CVE-2020-23323 vulnerability involves a heap-buffer-overflow at re-parser.c in re_parse_char_escape in JerryScript 2.2.0.
The Impact of CVE-2020-23323
The vulnerability could potentially allow attackers to execute arbitrary code or cause a denial of service by triggering the overflow.
Technical Details of CVE-2020-23323
Exploring the technical aspects of the vulnerability.
Vulnerability Description
The vulnerability arises from a heap-buffer-overflow at re-parser.c in re_parse_char_escape in JerryScript 2.2.0.
Affected Systems and Versions
- Affected Product: JerryScript
- Affected Version: 2.2.0
Exploitation Mechanism
Attackers can exploit this vulnerability by crafting malicious inputs to trigger the heap-buffer-overflow.
Mitigation and Prevention
Understanding how to mitigate and prevent the exploitation of this vulnerability.
Immediate Steps to Take
- Update JerryScript to a non-vulnerable version.
- Implement input validation to prevent malicious inputs.
Long-Term Security Practices
- Regularly update software to patch known vulnerabilities.
- Conduct security audits and code reviews to identify and address potential vulnerabilities.
- Educate developers on secure coding practices.
Patching and Updates
Ensure timely application of security patches and updates to JerryScript to mitigate the CVE-2020-23323 vulnerability.