CVE-2020-10081 Explained : Impact and Mitigation

GitLab before 12.8.2 has Incorrect Access Control. The LFS import process could be exploited to access LFS objects not owned by the user.

Understanding CVE-2020-10081

This CVE involves an Incorrect Access Control vulnerability in GitLab before version 12.8.2, allowing unauthorized access to LFS objects.

What is CVE-2020-10081?

CVE-2020-10081 refers to a security flaw in GitLab that enables users to improperly access LFS objects during the LFS import process.

The Impact of CVE-2020-10081

The vulnerability could lead to unauthorized access to LFS objects that are not owned by the user, potentially compromising data integrity and confidentiality.

Technical Details of CVE-2020-10081

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

The vulnerability in GitLab before version 12.8.2 allows for incorrect access control during the LFS import process, potentially leading to unauthorized access to LFS objects.

Affected Systems and Versions

Product: GitLab
Vendor: N/A
Versions affected: All versions before 12.8.2

Exploitation Mechanism

The vulnerability can be exploited by manipulating the LFS import process to gain access to LFS objects not belonging to the user.

Mitigation and Prevention

Protecting systems from CVE-2020-10081 requires immediate actions and long-term security measures.

Immediate Steps to Take

Upgrade GitLab to version 12.8.2 or newer to mitigate the vulnerability.
Monitor access to LFS objects for any unauthorized activities.

Long-Term Security Practices

Regularly update and patch GitLab to ensure the latest security fixes are in place.
Implement access controls and permissions to restrict unauthorized access to sensitive data.

Patching and Updates

Apply patches and updates provided by GitLab promptly to address security vulnerabilities and enhance system security.