CVE-2019-11549 : Exploit Details and Defense Strategies

GitLab Community and Enterprise Edition versions 9.x, 10.x, and 11.x up to 11.8.9, 11.9.x up to 11.9.10, and 11.10.x up to 11.10.2 are affected by a vulnerability that leads to an information disclosure issue.

Understanding CVE-2019-11549

This CVE identifies a problem in GitLab versions that could potentially expose HTTP/GIT credentials during connection errors.

What is CVE-2019-11549?

This CVE pertains to an information disclosure vulnerability in GitLab Community and Enterprise Edition versions 9.x, 10.x, and 11.x up to 11.10.2, where HTTP/GIT credentials are logged during connection errors.

The Impact of CVE-2019-11549

The vulnerability in GitLab could allow an attacker to access sensitive HTTP/GIT credentials, compromising the security and confidentiality of the affected systems.

Technical Details of CVE-2019-11549

GitLab's vulnerability exposes HTTP/GIT credentials in logs during connection errors.

Vulnerability Description

The issue in GitLab Community and Enterprise Edition versions 9.x, 10.x, and 11.x up to 11.10.2 allows for the logging of HTTP/GIT credentials during connection errors, leading to potential information disclosure.

Affected Systems and Versions

GitLab Community and Enterprise Edition versions 9.x, 10.x, and 11.x up to 11.8.9
GitLab Community and Enterprise Edition versions 11.9.x up to 11.9.10
GitLab Community and Enterprise Edition versions 11.10.x up to 11.10.2

Exploitation Mechanism

The vulnerability can be exploited by causing connection errors in GitLab, triggering the logging of sensitive HTTP/GIT credentials.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent the exploitation of this vulnerability.

Immediate Steps to Take

Update GitLab to the latest patched version that addresses the information disclosure issue.
Monitor logs for any unauthorized access or suspicious activities.

Long-Term Security Practices

Implement secure coding practices to avoid similar vulnerabilities in the future.
Regularly review and update security configurations to enhance system protection.

Patching and Updates

Apply security patches provided by GitLab promptly to mitigate the risk of information disclosure.