Learn about CVE-2020-29657, an out-of-bounds read vulnerability in JerryScript 2.3.0, its impact, affected systems, exploitation mechanism, and mitigation steps to secure your systems.
In JerryScript 2.3.0, there is an out-of-bounds read in main_print_unhandled_exception in the main-utils.c file.
Understanding CVE-2020-29657
This CVE identifies a specific vulnerability in JerryScript 2.3.0 that allows for an out-of-bounds read in a particular function.
What is CVE-2020-29657?
The CVE-2020-29657 vulnerability in JerryScript 2.3.0 enables an out-of-bounds read in the main_print_unhandled_exception function within the main-utils.c file.
The Impact of CVE-2020-29657
The vulnerability could potentially lead to information disclosure or denial of service if exploited by malicious actors.
Technical Details of CVE-2020-29657
JerryScript 2.3.0 is affected by this specific vulnerability, allowing unauthorized access to sensitive information.
Vulnerability Description
The vulnerability involves an out-of-bounds read in the main_print_unhandled_exception function in the main-utils.c file of JerryScript 2.3.0.
Affected Systems and Versions
Exploitation Mechanism
The vulnerability can be exploited by triggering the out-of-bounds read in the main_print_unhandled_exception function.
Mitigation and Prevention
To address CVE-2020-29657, immediate steps and long-term security practices are recommended.
Immediate Steps to Take
Long-Term Security Practices
Patching and Updates
Ensure that all software components, including JerryScript, are regularly updated with the latest security patches to prevent exploitation of vulnerabilities.