CVE-2021-40330 : What You Need to Know

This CVE entry describes a vulnerability in Git before version 2.30.1 that allows repository paths to contain newline characters, potentially leading to unexpected cross-protocol requests.

Understanding CVE-2021-40330

This section provides insights into the nature and impact of the CVE-2021-40330 vulnerability.

What is CVE-2021-40330?

The CVE-2021-40330 vulnerability, known as git_connect_git, exists in connect.c in Git before version 2.30.1. It permits a repository path to include a newline character, enabling unexpected cross-protocol requests.

The Impact of CVE-2021-40330

The vulnerability may allow malicious actors to execute cross-protocol requests and potentially compromise the integrity and security of the affected system.

Technical Details of CVE-2021-40330

This section outlines the technical aspects and details related to CVE-2021-40330.

Vulnerability Description

The vulnerability in Git before version 2.30.1, coded as git_connect_git, enables repository paths with newline characters, potentially leading to unexpected cross-protocol requests.

Affected Systems and Versions

Vendor: n/a
Product: n/a
Versions: All versions before 2.30.1 are affected.

Exploitation Mechanism

The exploit involves manipulating repository paths to include newline characters, allowing for the execution of unexpected cross-protocol requests.

Mitigation and Prevention

Learn how to mitigate and prevent the CVE-2021-40330 vulnerability in this section.

Immediate Steps to Take

Upgrade Git to version 2.30.1 or later.
Avoid using newline characters in repository paths.

Long-Term Security Practices

Conduct regular security audits and code reviews.
Educate users and developers on secure coding practices.

Patching and Updates

Regularly check for updates and patches from official sources to ensure the system is protected against known vulnerabilities.