Improper authorization in GitLab



Published: 2020-08-18 | Updated: 2020-08-19
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 information about 1 vulnerabilities.

Updated: 19.08.2020

Updated list if affected and fixed versions due to vendor's mix-up, added link to additional Gitlab advisory.


1) Improper Authorization

EUVDB-ID: #VU45758

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 - Improper Authorization

Exploit availability: No

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


CPE2.3 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/

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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