CVE-2024-0200: What You Need to Know

This CVE involves an unsafe reflection vulnerability in GitHub Enterprise Server that could result in reflection injection, potentially leading to the execution of user-controlled methods and remote code execution. The vulnerability requires an actor to be logged into an account on the GHES instance with the organization owner role to exploit it.

Understanding CVE-2024-0200

This section will provide detailed insights into the nature of the vulnerability, its impact, technical details, and mitigation strategies.

What is CVE-2024-0200?

The CVE-2024-0200 vulnerability in GitHub Enterprise Server is classified as an unsafe reflection issue that can allow for reflection injection. This flaw could enable malicious actors to execute user-controlled methods and potentially achieve remote code execution on impacted systems.

The Impact of CVE-2024-0200

The impact of CVE-2024-0200 is significant, as it poses a high severity risk to confidentiality and integrity. With a CVSS score of 7.2 (High), the vulnerability's attack complexity is considered high, and it requires elevated privileges to exploit. The availability impact is rated as low, with the vulnerability falling under the CAPEC-138 category of Reflection Injection.

Technical Details of CVE-2024-0200

This section delves into the specifics of the vulnerability, including its description, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability in GitHub Enterprise Server allows for unsafe reflection, potentially leading to command injection. It affects versions prior to 3.12 and has been fixed in versions 3.8.13, 3.9.8, 3.10.5, and 3.11.3. The issue was identified and reported through the GitHub Bug Bounty program.

Affected Systems and Versions

GitHub Enterprise Server versions 3.8.0, 3.9.0, 3.10.0, and 3.11.0 are impacted by this vulnerability. Users with versions prior to 3.12 are advised to update to the patched versions to mitigate the risk of exploitation.

Exploitation Mechanism

To exploit CVE-2024-0200, an attacker would need to leverage the unsafe reflection vulnerability present in GitHub Enterprise Server. By executing malicious code through user-controlled methods, the attacker could achieve command injection and potentially compromise the system.

Mitigation and Prevention

In response to CVE-2024-0200, it is crucial for organizations using GitHub Enterprise Server to take immediate action to secure their systems and prevent potential exploitation.

Immediate Steps to Take

Organizations should update their GitHub Enterprise Server installations to versions 3.8.13, 3.9.8, 3.10.5, or 3.11.3 to address the vulnerability and prevent unauthorized code execution. Additionally, monitoring for any suspicious activity is recommended to detect potential exploitation attempts.

Long-Term Security Practices

Implementing robust security measures, such as regular vulnerability scanning, access control policies, and employee training on secure coding practices, can help enhance the overall security posture and prevent future vulnerabilities.

Patching and Updates

Regularly applying software patches and updates provided by GitHub for GitHub Enterprise Server is essential to stay protected against known vulnerabilities. Organizations should prioritize patching their systems to mitigate risks and ensure a secure environment for their data and operations.