Unauthorized access to projects in GitLab



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-8795
CWE-ID CWE-264
Exploitation vector Network
Public exploit N/A
Vulnerable software
Gitlab Community Edition
Universal components / Libraries / Software for developers

Vendor GitLab, Inc

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU25341

Risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-8795

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain unauthorized access to projects.

The vulnerability exists due to incorrect membership handling of group sharing feature. Sharing a group with another group could grant project access to unauthorized users.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Gitlab Community Edition: 12.5.0 - 12.7.5

CPE2.3 External links

https://about.gitlab.com/releases/2020/02/13/critical-security-release-gitlab-12-dot-7-dot-6-released/


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.



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