CVE-2020-26405 : What You Need to Know
Learn about CVE-2020-26405, a path traversal vulnerability in GitLab CE/EE versions allowing attackers to save packages in arbitrary locations. Find mitigation steps and necessary updates here.
A path traversal vulnerability in GitLab CE/EE versions allows attackers to save packages in arbitrary locations.
Understanding CVE-2020-26405
What is CVE-2020-26405?
This CVE refers to a path traversal vulnerability in the package upload functionality of GitLab CE/EE versions.
The Impact of CVE-2020-26405
The vulnerability allows attackers to save packages in arbitrary locations, potentially leading to unauthorized access and manipulation of files.
Technical Details of CVE-2020-26405
Vulnerability Description
The path traversal vulnerability in GitLab CE/EE versions starting from 12.8 enables attackers to manipulate file locations during package uploads.
Affected Systems and Versions
- Affected versions include >=12.8, <13.3.9, >=13.4, <13.4.5, >=13.5, <13.5.2 of GitLab CE/EE.
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Network
- Base Score: 7.1 (High)
- Integrity Impact: High
- Privileges Required: Low
Mitigation and Prevention
Immediate Steps to Take
- Update GitLab CE/EE to versions that have patched the vulnerability.
- Monitor and restrict package upload functionality to trusted users.
Long-Term Security Practices
- Regularly audit and review file upload functionalities for security vulnerabilities.
- Implement access controls and restrictions on file storage and retrieval.
Patching and Updates
- Apply security patches provided by GitLab promptly to address the path traversal vulnerability.