Improper authorization in GitLab



Published: 2020-06-10
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID N/A
CWE-ID CWE-285
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Gitlab Community Edition
Universal components / Libraries / Software for developers

GitLab Enterprise Edition
Universal components / Libraries / Software for developers

Vendor GitLab, Inc

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Improper Authorization

EUVDB-ID: #VU28955

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-285 - Improper Authorization

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass authorization process.

The vulnerability exists due the mirroring logic, related to processing of CI token. A remote attacker can gain unauthorized access to private repositories.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Gitlab Community Edition: 10.6 - 13.0.5

GitLab Enterprise Edition: 10.6.0 - 13.0.4

External links

http://about.gitlab.com/releases/2020/06/10/critical-security-release-13-0-6-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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