CVE-2018-17455 : What You Need to Know
Learn about CVE-2018-17455, a vulnerability in GitLab Enterprise Edition versions prior to 11.1.7, 11.2.x before 11.2.4, and 11.3.x before 11.3.1, allowing unauthorized access to sensitive data.
A vulnerability found in GitLab Enterprise Edition versions prior to 11.1.7, 11.2.x before 11.2.4, and 11.3.x before 11.3.1 could allow unauthenticated attackers to access sensitive data.
Understanding CVE-2018-17455
This CVE identifies a security issue in GitLab Enterprise Edition that could lead to unauthorized access to critical information.
What is CVE-2018-17455?
The vulnerability in GitLab Enterprise Edition versions prior to 11.1.7, 11.2.x before 11.2.4, and 11.3.x before 11.3.1 allows unauthenticated attackers to exploit an insecure direct object reference in the "merge request approvals" functionality, potentially exposing sensitive data.
The Impact of CVE-2018-17455
The vulnerability could result in unauthorized access to group names, avatars, LDAP settings, and descriptions, compromising the confidentiality and integrity of the affected data.
Technical Details of CVE-2018-17455
This section provides detailed technical insights into the CVE.
Vulnerability Description
The vulnerability arises from an insecure direct object reference in the "merge request approvals" feature, enabling unauthenticated attackers to access sensitive information.
Affected Systems and Versions
- GitLab Enterprise Edition versions prior to 11.1.7
- GitLab Enterprise Edition 11.2.x before 11.2.4
- GitLab Enterprise Edition 11.3.x before 11.3.1
Exploitation Mechanism
Unauthenticated attackers exploit the insecure direct object reference in the "merge request approvals" functionality to gain unauthorized access to critical data.
Mitigation and Prevention
Protect your systems from CVE-2018-17455 with these mitigation strategies.
Immediate Steps to Take
- Upgrade GitLab Enterprise Edition to version 11.1.7, 11.2.4, or 11.3.1 or later to patch the vulnerability.
- Monitor and restrict access to sensitive data to prevent unauthorized exposure.
Long-Term Security Practices
- Regularly update and patch software to address security vulnerabilities promptly.
- Implement access controls and authentication mechanisms to enhance system security.
Patching and Updates
- Stay informed about security updates and patches released by GitLab.
- Apply patches promptly to ensure your systems are protected against known vulnerabilities.