CVE-2019-6783 : Security Advisory and Response

A vulnerability was found in versions of GitLab Community and Enterprise Edition prior to 11.5.8, 11.6.x prior to 11.6.6, and 11.7.x prior to 11.7.1. GitLab Pages has been identified to have a directory traversal vulnerability, which could allow for remote command execution.

Understanding CVE-2019-6783

GitLab Pages in GitLab Community and Enterprise Edition before specific versions contain a critical security flaw that could lead to remote command execution.

What is CVE-2019-6783?

This CVE identifies a directory traversal vulnerability in GitLab Pages, potentially enabling attackers to execute remote commands.

The Impact of CVE-2019-6783

The vulnerability could allow malicious actors to execute arbitrary commands remotely, compromising the security and integrity of affected systems.

Technical Details of CVE-2019-6783

GitLab Pages in certain versions of GitLab Community and Enterprise Edition is susceptible to a directory traversal vulnerability.

Vulnerability Description

The issue allows unauthorized users to traverse directories and execute commands remotely, posing a significant security risk.

Affected Systems and Versions

GitLab Community and Enterprise Edition before 11.5.8
GitLab Community and Enterprise Edition 11.6.x before 11.6.6
GitLab Community and Enterprise Edition 11.7.x before 11.7.1

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating directory traversal to execute commands on the target system remotely.

Mitigation and Prevention

To address CVE-2019-6783, follow these steps:

Immediate Steps to Take

Update GitLab Community and Enterprise Edition to versions 11.5.8, 11.6.6, or 11.7.1 to mitigate the vulnerability.
Monitor system logs for any suspicious activities that could indicate exploitation.

Long-Term Security Practices

Regularly update software and apply security patches promptly.
Implement access controls and restrictions to limit exposure to vulnerabilities.

Patching and Updates

Stay informed about security advisories from GitLab and apply patches as soon as they are released.