CVE-2023-1265 : What You Need to Know

This is an overview of the CVE-2023-1265 vulnerability affecting GitLab.

Understanding CVE-2023-1265

CVE-2023-1265 is a security issue discovered in GitLab that impacts multiple versions, potentially allowing a privileged attacker to access session tokens from all users of a GitLab instance.

What is CVE-2023-1265?

The CVE-2023-1265 vulnerability in GitLab is categorized as an improper access control issue. It exists in versions ranging from 11.9 to 15.11.1, with specific conditions that can permit a privileged attacker to retrieve session tokens of all users in the affected GitLab instance.

The Impact of CVE-2023-1265

The impact of this vulnerability lies in the ability of a malicious actor to gain unauthorized access to sensitive session tokens, potentially compromising the security and integrity of the GitLab instance. This could lead to unauthorized data access or manipulation.

Technical Details of CVE-2023-1265

This section provides technical information related to the CVE-2023-1265 vulnerability in GitLab.

Vulnerability Description

The vulnerability stems from improper access control mechanisms within GitLab, allowing a privileged attacker to obtain session tokens from all users on the affected instance.

Affected Systems and Versions

GitLab versions spanning from 11.9 to 15.11.1 are impacted by CVE-2023-1265. Specifically, versions 11.9 to 15.9.6, 15.10 to 15.10.5, and 15.11 to 15.11.1 are vulnerable to this security issue.

Exploitation Mechanism

To exploit CVE-2023-1265, a privileged attacker must meet certain conditions to successfully acquire session tokens from all users of a GitLab instance. This unauthorized access could potentially jeopardize the security and confidentiality of sensitive data.

Mitigation and Prevention

Here are the necessary steps to mitigate and prevent exploitation of CVE-2023-1265 in GitLab.

Immediate Steps to Take

GitLab users should apply the latest security patches released by GitLab to address the CVE-2023-1265 vulnerability promptly.
Review and update access control configurations to ensure proper security measures are in place to prevent unauthorized access.

Long-Term Security Practices

Regularly monitor and audit access controls within GitLab to identify and mitigate potential security gaps.
Conduct security training for GitLab administrators and users to promote awareness of proper security practices and protocols.

Patching and Updates

Stay informed about security advisories and updates from GitLab to promptly apply patches for known vulnerabilities.
Implement a robust patch management process to ensure timely deployment of security fixes across GitLab instances.