CVE-2020-13622 : Vulnerability Insights and Analysis

JerryScript 2.2.0 allows attackers to cause a denial of service (assertion failure) due to a property key query vulnerability in Proxy objects.

Understanding CVE-2020-13622

This CVE identifies a vulnerability in JerryScript 2.2.0 that can be exploited to trigger a denial of service attack.

What is CVE-2020-13622?

JerryScript 2.2.0 is susceptible to a denial of service attack where a property key query for a Proxy object can lead to unintended data retrieval.

The Impact of CVE-2020-13622

The vulnerability can be exploited by attackers to cause an assertion failure, resulting in a denial of service condition.

Technical Details of CVE-2020-13622

This section provides detailed technical information about the CVE.

Vulnerability Description

JerryScript 2.2.0 is vulnerable to a denial of service attack due to improper handling of property key queries for Proxy objects.

Affected Systems and Versions

Affected Version: JerryScript 2.2.0

Exploitation Mechanism

Attackers can exploit this vulnerability by querying a property key for a Proxy object, leading to the retrieval of unintended data.

Mitigation and Prevention

Protecting systems from CVE-2020-13622 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update JerryScript to a patched version that addresses the vulnerability.
Monitor for any unusual activity that could indicate exploitation of the vulnerability.

Long-Term Security Practices

Regularly update software and libraries to ensure all known vulnerabilities are patched.
Implement strong access controls and monitoring to detect and prevent unauthorized access.

Patching and Updates

Ensure that all software components, including JerryScript, are regularly updated with the latest security patches to mitigate the risk of exploitation.