CVE-2023-3385 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in GitLab

Medium 6.3 Published Updated

An attacker can read unrelated files by uploading a specially crafted file during project import due to a tar bug.

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-2023-3385?

CVE-2023-3385 is a medium-severity path traversal vulnerability in Gitlab Gitlab, published on 1 Aug 2023. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

An issue has been discovered in GitLab affecting all versions starting from 8.10 before 16.0.8, all versions starting from 16.1 before 16.1.3, all versions starting from 16.2 before 16.2.2. Under specific circumstances, a user importing a project 'from export' could access and read unrelated files via uploading a specially crafted file. This was due to a bug in `tar`, fixed in [`tar-1.35`](https://lists.gnu.org/archive/html/info-gnu/2023-07/msg00005.html).

Weakness: CWE-22

Which versions are affected by CVE-2023-3385?

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

PackageAffectedFixed in
gitlab BitnamiFrom 8.10.016.0.8, 16.1.3, 16.2.2

Products include Gitlab Gitlab.

How do I fix CVE-2023-3385?

Upgrade gitlab to a fixed version for your release line: 16.0.8, 16.1.3 or 16.2.2.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2023-3385 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-3385 exists.

All Gitlab Gitlab vulnerabilities

Sources

Also known as BIT-gitlab-2023-3385, GHSA-f8q5-vhrp-8mfc, UBUNTU-CVE-2023-3385.

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