GitLab: Mehrere Schwachstellen
WID-SEC-2023-2788 · first 01.11.2023 · updated 30.01.2026 · CVSS 8,1
What it is about
GitLab ist eine Webanwendung zur Versionsverwaltung für Softwareprojekte auf Basis von git. Ein Angreifer kann mehrere Schwachstellen in GitLab ausnutzen, um einen Denial of Service Angriff durchzuführen und Informationen offenzulegen.
Under what conditions?
The BSI does not name any particular preconditions. Exploitable remotely according to the BSI.
What can happen in the worst case
An attacker could use the vulnerability to
- einen Denial of Service Angriff durchzuführen
- Informationen offenzulegen
Am I affected?
Affected according to the BSI:
- Open Source GitLab <16.5.1
- Open Source GitLab <16.4.2
- Open Source GitLab <16.3.6
The installed version is usually shown under “Help → About” or in the device’s admin interface.
What helps?
Update to at least:
- Open Source GitLab 16.5.1
- Open Source GitLab 16.4.2
- Open Source GitLab 16.3.6
Is the vulnerability already being exploited?
- CVE-2023-44487: exploited in the wild according to CISA, in the catalogue since 10.10.2023.
- According to a CISA advisory, used by actors from : 2023 Top Routinely Exploited Vulnerabilities (11/2024)
Information and sources
- Original BSI advisory (WID)
- GitLab Security Release vom 2023-10-31 about.gitlab.com
CVE: CVE-2023-3246, CVE-2023-3399, CVE-2023-38545, CVE-2023-3909, CVE-2023-44487, CVE-2023-4700, CVE-2023-5600, CVE-2023-5825, CVE-2023-5831, CVE-2023-5963
Source: BSI warning and information service (CERT-Bund); CISA. The assessment of the conditions is my reading of the BSI text; the external pages are in their original language.