CVE-2019-15741 Explained : Impact and Mitigation

A vulnerability has been found in GitLab Omnibus versions 7.4 through 12.2.1, where an insecure interaction with logrotate could potentially lead to an unauthorized elevation of privileges.

Understanding CVE-2019-15741

This CVE identifies a security issue in GitLab Omnibus versions 7.4 through 12.2.1 that could allow unauthorized privilege escalation through logrotate.

What is CVE-2019-15741?

CVE-2019-15741 is a vulnerability in GitLab Omnibus versions 7.4 through 12.2.1 that could be exploited to gain unauthorized elevated privileges due to an insecure interaction with logrotate.

The Impact of CVE-2019-15741

The vulnerability could potentially lead to unauthorized users gaining elevated privileges within affected GitLab Omnibus versions, posing a significant security risk.

Technical Details of CVE-2019-15741

This section provides technical details about the vulnerability.

Vulnerability Description

An insecure interaction with logrotate in GitLab Omnibus versions 7.4 through 12.2.1 could result in a privilege escalation, allowing unauthorized users to gain elevated privileges.

Affected Systems and Versions

GitLab Omnibus versions 7.4 through 12.2.1

Exploitation Mechanism

The vulnerability is exploited through an insecure interaction with logrotate, enabling unauthorized users to escalate their privileges.

Mitigation and Prevention

Protect your systems from CVE-2019-15741 with the following steps:

Immediate Steps to Take

Update GitLab Omnibus to a patched version that addresses the vulnerability.
Monitor system logs for any suspicious activities related to logrotate.

Long-Term Security Practices

Regularly update and patch software to prevent known vulnerabilities.
Implement least privilege access controls to limit the impact of potential privilege escalations.

Patching and Updates

Apply security patches provided by GitLab for the affected versions to mitigate the vulnerability.