CVE-2022-2908 : Security Advisory and Response

A potential Denial of Service (DoS) vulnerability was discovered in GitLab CE/EE versions, allowing an attacker to trigger high CPU usage via specially crafted input in the Commit message field.

Understanding CVE-2022-2908

This section will cover what CVE-2022-2908 is, its impact, technical details, and mitigation strategies.

What is CVE-2022-2908?

CVE-2022-2908 is a vulnerability in GitLab CE/EE versions that could lead to a DoS attack. Attackers exploiting this vulnerability can cause high CPU usage by inserting malicious input in the Commit message field.

The Impact of CVE-2022-2908

The impact of this vulnerability could result in denial of service, causing system instability and performance degradation for affected GitLab versions.

Technical Details of CVE-2022-2908

Let's delve into the vulnerability description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The vulnerability in GitLab CE/EE versions allows attackers to exploit uncontrolled resource consumption through specially crafted input, targeting the Commit message field.

Affected Systems and Versions

GitLab versions starting from 10.7 before 15.1.5, all versions starting from 15.2 before 15.2.3, and all versions starting from 15.3 before 15.3.1 are affected by CVE-2022-2908.

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting specific input into the Commit message field, leading to excessive CPU usage and potential DoS attacks.

Mitigation and Prevention

In this section, we will discuss immediate steps to take, long-term security practices, and the importance of patching and updates.

Immediate Steps to Take

Affected users are advised to monitor system resources, restrict access to vulnerable components, and apply security patches promptly.

Long-Term Security Practices

To enhance security posture, organizations should conduct regular security assessments, implement access controls, and educate users on safe coding practices.

Patching and Updates

GitLab users should prioritize applying the latest security patches and updates provided by the vendor to mitigate the risk associated with CVE-2022-2908.