CVE-2020-13316 Missing authorization in GitLab

Medium 5.4 Published Updated

Attackers can access disabled repositories via git commands due to missing deploy token validation in GitLab.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2020-13316?

CVE-2020-13316 is a medium-severity missing authorization vulnerability in Gitlab Gitlab, published on 14 Sep 2020. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. GitLab was not validating a Deploy-Token and allowed a disabled repository be accessible via a git command line.

Which versions are affected by CVE-2020-13316?

1 open source package ship an affected version, including gitlab. It affects 1 product.

PackageAffectedFixed in
gitlab BitnamiFrom 1.0.013.1.10, 13.2.8, 13.3.4

Products include Gitlab Gitlab.

How do I fix CVE-2020-13316?

Upgrade gitlab to a fixed version for your release line: 13.1.10, 13.2.8 or 13.3.4.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2020-13316 being exploited?

There is no known exploitation of CVE-2020-13316 in the wild and no public exploit code.

All Gitlab Gitlab vulnerabilities

Sources

Also known as BIT-gitlab-2020-13316, GHSA-x8mp-jv75-5hrp, UBUNTU-CVE-2020-13316.

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