Vulnerability identifier: #VU31067

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: CVE-2019-10114

CWE-ID: CWE-200

Exploitation vector: Network

Exploit availability: No

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

Vendor: GitLab, Inc

Description

The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

An Information Exposure issue (issue 2 of 2) was discovered in GitLab Community and Enterprise Edition before 11.7.8, 11.8.x before 11.8.4, and 11.9.x before 11.9.2. During the OAuth authentication process, the application attempts to validate a parameter in an insecure way, potentially exposing data.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Gitlab Community Edition: 11.9.0 - 11.9.1

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External links
http://about.gitlab.com/2019/04/01/security-release-gitlab-11-dot-9-dot-4-released/
http://about.gitlab.com/blog/categories/releases/
http://gitlab.com/gitlab-org/gitlab-ee/issues/9729

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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.