CVE-2023-1178 : Security Advisory and Response

An issue has been discovered in GitLab CE/EE that affects multiple versions, potentially compromising file integrity when pulling source code or installation packages.

Understanding CVE-2023-1178

This CVE involves a vulnerability in GitLab that could lead to code injection and compromise the integrity of files when retrieving data from specific sources.

What is CVE-2023-1178?

CVE-2023-1178 is a security issue in GitLab CE/EE versions ranging from 8.6 to 15.11.1. It allows for improper control of code generation, potentially resulting in code injection.

The Impact of CVE-2023-1178

The impact of this vulnerability is rated as medium, with an integrity impact of high. If exploited, it could lead to unauthorized code execution and compromise the integrity of files within the affected GitLab versions.

Technical Details of CVE-2023-1178

The vulnerability in CVE-2023-1178 is due to improper control of code generation in GitLab, leading to code injection.

Vulnerability Description

The vulnerability allows an attacker to inject malicious code into the source code or installation packages pulled from a tag or release containing a reference to another commit, potentially compromising file integrity.

Affected Systems and Versions

GitLab versions 8.6 to 15.11.1 are affected by this vulnerability. Specifically:

Versions >=8.6, <15.9.6
Versions >=15.10, <15.10.5
Versions >=15.11, <15.11.1

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating the source code or installation packages during the retrieval process, inserting malicious code that compromises file integrity.

Mitigation and Prevention

It is crucial for users to take immediate steps to secure their GitLab instances and prevent potential exploitation of CVE-2023-1178.

Immediate Steps to Take

Update GitLab to the latest patched version to mitigate the vulnerability.
Monitor for any unauthorized code changes or file integrity compromises within the system.

Long-Term Security Practices

Regularly conduct security audits and assessments of the GitLab instance to identify and address any vulnerabilities.
Implement strict access controls and permissions to prevent unauthorized code injection attempts.

Patching and Updates

GitLab users should apply the available patches provided by the vendor to address CVE-2023-1178. Regularly updating the GitLab software to the latest secure versions is essential in maintaining a secure environment and mitigating potential risks.