CVE-2023-31922 : Vulnerability Insights and Analysis

QuickJS commit 2788d71 was discovered to contain a stack-overflow vulnerability via the component js_proxy_isArray at quickjs.c.

Understanding CVE-2023-31922

This CVE refers to a specific vulnerability in QuickJS commit 2788d71 that can lead to a stack-overflow due to a component called js_proxy_isArray within the quickjs.c file.

What is CVE-2023-31922?

CVE-2023-31922 is a security vulnerability found in the QuickJS JavaScript engine. The specific commit 2788d71 introduces a flaw that can be exploited to cause a stack-overflow.

The Impact of CVE-2023-31922

This vulnerability could potentially allow an attacker to execute arbitrary code or crash the application, leading to a denial of service condition. It poses a risk to systems utilizing QuickJS with the affected commit.

Technical Details of CVE-2023-31922

In this section, we will delve into the specifics of the vulnerability.

Vulnerability Description

The vulnerability stems from an issue in the js_proxy_isArray component of the QuickJS commit 2788d71, allowing for a stack-overflow to occur under certain conditions.

Affected Systems and Versions

As of the discovery, all systems using QuickJS with commit 2788d71 are affected by this vulnerability regardless of the vendor or specific product version.

Exploitation Mechanism

An attacker can exploit this vulnerability by crafting a malicious payload to trigger the stack-overflow via the vulnerable js_proxy_isArray component, potentially leading to code execution or denial of service.

Mitigation and Prevention

To mitigate the risks associated with CVE-2023-31922, immediate actions and long-term security practices are crucial.

Immediate Steps to Take

Consider temporarily disabling QuickJS in affected systems until a patch is available.
Monitor vendor updates for a security patch addressing the stack-overflow vulnerability.

Long-Term Security Practices

Implement secure coding practices to prevent stack-overflow vulnerabilities in your codebase.
Regularly update software components to the latest secure versions to avoid known vulnerabilities.

Patching and Updates

Apply patches provided by the QuickJS project or vendor as soon as they are released to remediate the CVE-2023-31922 vulnerability.