CVE-2021-46101 Explained : Impact and Mitigation

Git for Windows through 2.34.1 is vulnerable to remote code execution when using git pull, allowing direct execution of malicious git commands.

Understanding CVE-2021-46101

This CVE describes a security vulnerability in Git for Windows that could lead to remote code execution.

What is CVE-2021-46101?

The vulnerability in Git for Windows through version 2.34.1 enables an attacker to execute arbitrary git commands directly by manipulating the git pull process.

The Impact of CVE-2021-46101

The exploitation of this vulnerability can result in remote code execution, allowing an attacker to execute malicious git commands on the target system.

Technical Details of CVE-2021-46101

Git for Windows through version 2.34.1 is affected by this vulnerability.

Vulnerability Description

When using git pull to update the local repository, an attacker can run malicious git commands directly, leading to remote code execution.

Affected Systems and Versions

Product: Git for Windows
Version: <= 2.34.1

Exploitation Mechanism

The vulnerability can be exploited by manipulating the git pull process to execute malicious git commands on the target system.

Mitigation and Prevention

It is crucial to take immediate steps and adopt long-term security practices to mitigate the risk posed by CVE-2021-46101.

Immediate Steps to Take

Update Git for Windows to version 2.34.2 or the latest available version.
Avoid executing git pull commands from untrusted repositories.

Long-Term Security Practices

Implement code reviews to detect and prevent malicious code injections.
Regularly monitor and audit git commands executed within the organization.

Patching and Updates

Ensure timely installation of security patches and updates provided by the Git for Windows project to address this vulnerability.