#VU28328 Information disclosure in Gitlab Community Edition and GitLab Enterprise Edition

Vulnerability identifier: #VU28328

Vulnerability risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: N/A

CWE-ID: CWE-200

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 attacker to gain access to potentially sensitive information.

The vulnerability exists due to application may expose presence of files on the system. A remote non-authenticated attacker can send a specially crafted request and confirm the existence of files hosted on object storage services, without disclosing their contents.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Gitlab Community Edition: 12.10.0 - 13.0.0

GitLab Enterprise Edition: 12.10.0 - 13.0.0

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External links
https://about.gitlab.com/releases/2020/05/27/security-release-13-0-1-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.