CVE-2023-3385 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in GitLab
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.
| Package | Affected | Fixed in |
|---|---|---|
gitlab Bitnami | From 8.10.0 | 16.0.8, 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.
Other vulnerabilities in Gitlab Gitlab
- CVE-2026-97229 GitLab Community Edition and Enterprise Edition Integer Overflow or Wraparound
- CVE-2026-85706 GitLab Community Edition and Enterprise Edition Path Traversal
- CVE-2023-7028 GitLab Community and Enterprise Editions Improper Access Control
- CVE-2021-22205 GitLab Community and Enterprise Editions Remote Code Execution
- CVE-2021-39935 GitLab Community and Enterprise Editions Server-Side Request Forgery (SSRF)
Sources
Also known as BIT-gitlab-2023-3385, GHSA-f8q5-vhrp-8mfc, UBUNTU-CVE-2023-3385.