Vulnerability identifier: #VU30134
Vulnerability risk: High
CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-285
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Gitlab Authentication
Client/Desktop applications /
Software for system administration
Vendor: Jenkins
Description
The vulnerability allows a remote attacker to bypass authorization process.
The vulnerability exists due to the affected plugin does not differentiate between user names and hierarchical group names when performing authorization. A remote attacker with permissions to create groups in GitLab can gain the privileges granted to another user or group.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Gitlab Authentication: 0.1 - 1.5
External links
http://www.openwall.com/lists/oss-security/2020/07/15/5
http://jenkins.io/security/advisory/2020-07-15/#SECURITY-1792
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.