Vulnerability identifier: #VU45758

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-285

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Gitlab Community Edition
Universal components / Libraries / Software for developers
GitLab Enterprise Edition
Universal components / Libraries / Software for developers

Vendor: GitLab, Inc

Description

The vulnerability allows a remote user to gain access to sensitive information.

The vulnerability exists due to improper authorization checks when handling deploy tokens that allowed read access to public projects with restricted repositories.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Gitlab Community Edition: 10.7 - 13.2.5

GitLab Enterprise Edition: 10.7.0 - 13.2.5

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External links
http://about.gitlab.com/releases/2020/08/18/critical-security-release-gitlab-13-2-5-released/
http://about.gitlab.com/releases/2020/08/18/critical-security-release-gitlab-13-2-6-released/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.