CVE-2018-19585 : What You Need to Know
Learn about CVE-2018-19585 affecting GitLab CE/EE versions 8.18 up to 11.x. Understand the impact, exploitation mechanism, and mitigation steps for this CRLF Injection vulnerability.
GitLab CE/EE versions 8.18 up to 11.x before 11.3.11, 11.4.x before 11.4.8, and 11.5.x before 11.5.1 are exposed to CRLF Injection in Project Mirroring when using the Git protocol.
Understanding CVE-2018-19585
This CVE involves a vulnerability in GitLab CE/EE versions that could lead to CRLF Injection in Project Mirroring.
What is CVE-2018-19585?
The vulnerability in GitLab CE/EE versions allows for CRLF Injection in Project Mirroring when the Git protocol is utilized.
The Impact of CVE-2018-19585
This vulnerability could be exploited by attackers to manipulate project mirroring and potentially execute malicious actions within affected systems.
Technical Details of CVE-2018-19585
GitLab CE/EE versions are susceptible to CRLF Injection in Project Mirroring when using the Git protocol.
Vulnerability Description
The issue affects versions 8.18 up to 11.x before 11.3.11, 11.4.x before 11.4.8, and 11.5.x before 11.5.1, allowing for CRLF Injection in Project Mirroring.
Affected Systems and Versions
- GitLab CE/EE versions 8.18 up to 11.x before 11.3.11
- GitLab CE/EE versions 11.4.x before 11.4.8
- GitLab CE/EE versions 11.5.x before 11.5.1
Exploitation Mechanism
Attackers can exploit this vulnerability by leveraging the Git protocol to inject CRLF sequences in Project Mirroring, potentially leading to unauthorized actions.
Mitigation and Prevention
Immediate action and long-term security practices are crucial to mitigate the risks associated with CVE-2018-19585.
Immediate Steps to Take
- Update GitLab CE/EE to version 11.3.11, 11.4.8, or 11.5.1 to patch the vulnerability.
- Monitor for any suspicious activity related to project mirroring.
Long-Term Security Practices
- Regularly update and patch software to prevent known vulnerabilities.
- Implement network segmentation and access controls to limit the impact of potential attacks.
- Educate users on secure coding practices and the importance of secure project management.
Patching and Updates
- GitLab has released patches for the affected versions to address the CRLF Injection vulnerability.