CVE-2022-44312 : Vulnerability Insights and Analysis

A heap buffer overflow vulnerability was discovered in PicoC Version 3.2.2, specifically in the ExpressionCoerceInteger function in expression.c when called from ExpressionInfixOperator.

Understanding CVE-2022-44312

This section will delve into the details of CVE-2022-44312 and its implications.

What is CVE-2022-44312?

CVE-2022-44312 is a heap buffer overflow vulnerability found in PicoC Version 3.2.2, affecting the ExpressionCoerceInteger function in expression.c.

The Impact of CVE-2022-44312

The vulnerability allows for potential exploitation by adversaries to trigger a heap buffer overflow, leading to possible arbitrary code execution or denial of service.

Technical Details of CVE-2022-44312

Let's explore the technical aspects related to CVE-2022-44312.

Vulnerability Description

The vulnerability resides in the ExpressionCoerceInteger function of PicoC, enabling attackers to execute malicious code or disrupt services.

Affected Systems and Versions

The issue impacts PicoC Version 3.2.2, with the specific vulnerable component being the ExpressionCoerceInteger function in expression.c.

Exploitation Mechanism

Adversaries can exploit this vulnerability by invoking the ExpressionInfixOperator, triggering the heap buffer overflow in PicoC.

Mitigation and Prevention

Discover the necessary steps to mitigate and prevent CVE-2022-44312 below.

Immediate Steps to Take

It is recommended to disable or restrict access to the vulnerable function and update to a patched version of PicoC to thwart exploitation attempts.

Long-Term Security Practices

Establishing secure coding practices, conducting regular security audits, and implementing code review processes can enhance overall system security.

Patching and Updates

Stay updated with the latest patches and security advisories from PicoC to address vulnerabilities promptly.