Vulnerability identifier: #VU23355
Vulnerability risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-835
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Gitlab Community Edition
Universal components / Libraries /
Software for developers
GitLab Enterprise Edition
Universal components / Libraries /
Software for developers
Vendor: GitLab, Inc
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to infinite loop when building Nested GraphQL queries. A remote attacker can consume all available system resources and cause denial of service conditions.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Gitlab Community Edition: 11.0 - 12.4.0
GitLab Enterprise Edition: 11.0.0 - 12.4.0
External links
http://about.gitlab.com/blog/2019/10/30/security-release-gitlab-12-dot-4-dot-1-released/
http://about.gitlab.com/blog/categories/releases/
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.