CVE-2022-22895 : What You Need to Know

Jerryscript 3.0.0 has been found to contain a critical heap-buffer-overflow vulnerability. Explore the impact, technical details, and mitigation strategies below.

Understanding CVE-2022-22895

This section delves into the details of the heap-buffer-overflow vulnerability present in Jerryscript 3.0.0.

What is CVE-2022-22895?

Jerryscript 3.0.0 was discovered to have a heap-buffer-overflow vulnerability via the ecma_utf8_string_to_number_by_radix function.

The Impact of CVE-2022-22895

The vulnerability could allow an attacker to execute arbitrary code or cause a denial of service by triggering a heap buffer overflow.

Technical Details of CVE-2022-22895

Let's dive into the technical aspects of the CVE, including the vulnerability description, affected systems, and exploitation mechanism.

Vulnerability Description

The vulnerability exists in the ecma_utf8_string_to_number_by_radix function in /jerry-core/ecma/base/ecma-helpers-conversion.c, leading to a heap-buffer-overflow.

Affected Systems and Versions

Jerryscript 3.0.0 is affected by this vulnerability.

Exploitation Mechanism

An attacker can exploit this vulnerability by crafting a specifically designed input to trigger the heap-buffer-overflow.

Mitigation and Prevention

Discover the immediate steps to take to mitigate the risk and the long-term security practices to ensure comprehensive protection.

Immediate Steps to Take

Users are advised to update Jerryscript to a patched version or apply specific security configurations to reduce the risk of exploitation.

Long-Term Security Practices

Implement security best practices such as regular software updates, code reviews, and input validation to enhance overall security posture.

Patching and Updates

Ensure timely patching of software, including Jerryscript, to address known vulnerabilities and strengthen the security of systems.