CVE-2022-31012 : Vulnerability Insights and Analysis

Git for Windows' installer can be tricked into executing an untrusted binary due to a vulnerability in versions prior to 2.37.1. Learn about the impact, technical details, and mitigation steps for CVE-2022-31012.

Understanding CVE-2022-31012

This section provides insights into the nature and implications of the vulnerability.

What is CVE-2022-31012?

Git for Windows, a variant of Git with Windows-specific changes, suffers from a security flaw in versions below 2.37.1. The vulnerability allows the installer to mistakenly execute a binary into

C:\mingw64\bin\git.exe

during a fresh installation.

The Impact of CVE-2022-31012

The vulnerability, rated with a CVSS base score of 8.2 (High Severity), poses a significant risk to confidentiality, integrity, and availability. It requires low privileges for exploitation with user interaction.

Technical Details of CVE-2022-31012

Explore the specific technical aspects of the CVE to understand its implications better.

Vulnerability Description

The flaw arises in Git for Windows' installer, which incorrectly executes a binary in a specific directory, potentially leading to unauthorized code execution.

Affected Systems and Versions

Systems running Git for Windows versions prior to 2.37.1 are vulnerable to this exploit.

Exploitation Mechanism

The vulnerability can be exploited by an authenticated user performing a fresh installation of Git for Windows.

Mitigation and Prevention

Discover actionable steps to safeguard your systems from CVE-2022-31012.

Immediate Steps to Take

As an immediate measure, consider creating the

C:\mingw64

folder and restricting read/write permissions. Additionally, disallow arbitrary authenticated users from creating folders in

C:\

.

Long-Term Security Practices

Establish robust security practices, including regular updates, monitoring, and access controls, to mitigate similar risks in the future.

Patching and Updates

Ensure the installation of Git for Windows version 2.37.1 or higher, as it contains a patch to address this vulnerability.