Information disclosure in GitLab



Published: 2020-06-03
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 Enterprise Edition
Universal components / Libraries / Software for developers

Gitlab Community 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: #VU28555

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 attacker to gain access to sensitive information.

The vulnerability exists due to authorization issue when processing CI jobs token that allowed read access to public projects with restricted repositories. A remote non-authenticated attacker can view contents of projects.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

GitLab Enterprise Edition: 10.6.0 - 13.0.3

Gitlab Community Edition: 10.6 - 12.10.8

External links

http://about.gitlab.com/releases/2020/06/03/critical-security-release-13-0-4-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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