What is the vulnerability ID?

The vulnerability ID is CVE-2023-3906.

What is the severity of CVE-2023-3906?

The severity of CVE-2023-3906 is low.

Which versions of GitLab EE are affected by CVE-2023-3906?

All versions from 12.3 prior to 16.2.8, 16.3 prior to 16.3.5, and 16.4 prior to 16.4.1 are affected by CVE-2023-3906.

What is the impact of CVE-2023-3906?

An authenticated attacker can craft image URLs which bypass the asset proxy.

Are there any known references for CVE-2023-3906?

Yes, you can find more information about CVE-2023-3906 at the following URLs: [reference 1](https://gitlab.com/gitlab-org/gitlab/-/issues/419213), [reference 2](https://hackerone.com/reports/2071411).

Vulnerability/
CVE-2023-3906

low

3.5

CWE

1333 20 1287

29/9/2023

8/10/2024

CVE-2023-3906: Improper Validation of Specified Type of Input in GitLab

First published: Fri Sep 29 2023(Updated: )

An input validation issue in the asset proxy in GitLab EE, affecting all versions from 12.3 prior to 16.2.8, 16.3 prior to 16.3.5, and 16.4 prior to 16.4.1, allowed an authenticated attacker to craft image urls which bypass the asset proxy.

Credit: cve@gitlab.com cve@gitlab.com

Affected Software	Affected Version	How to fix
GitLab GitLab	>=12.3<16.2.8
GitLab GitLab	>=12.3<16.2.8
GitLab GitLab	>=16.3.0<16.3.5
GitLab GitLab	>=16.3.0<16.3.5
GitLab GitLab	=16.4.0
GitLab GitLab	=16.4.0

Remedy

Upgrade to version 16.2.8, 16.3.5, 16.4.1 or above

Never miss a vulnerability like this again

Reference Links

Frequently Asked Questions

What is the vulnerability ID?
The vulnerability ID is CVE-2023-3906.
What is the severity of CVE-2023-3906?
The severity of CVE-2023-3906 is low.
Which versions of GitLab EE are affected by CVE-2023-3906?
All versions from 12.3 prior to 16.2.8, 16.3 prior to 16.3.5, and 16.4 prior to 16.4.1 are affected by CVE-2023-3906.
What is the impact of CVE-2023-3906?
An authenticated attacker can craft image URLs which bypass the asset proxy.
Are there any known references for CVE-2023-3906?
Yes, you can find more information about CVE-2023-3906 at the following URLs: [reference 1](https://gitlab.com/gitlab-org/gitlab/-/issues/419213), [reference 2](https://hackerone.com/reports/2071411).

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agent/last-modified-date
agent/title
collector/nvd-api
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version/gitlab gitlab/16.3.0
version/gitlab gitlab/16.4.0

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