PT-2023-30097 · Gitlab · Gitlab Ce/Ee+1

Thelucion · Published 2023-12-01 · Updated 2024-10-03 · CVE-2023-4658

Positive Technologies (AI Summary)

CVSS v3.1

3.1

Low

Base vector

AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N

Name of the Vulnerable Software and Affected Versions GitLab EE versions 8.13 through 16.4.2 GitLab EE versions 16.5 through 16.5.2 GitLab EE versions 16.6 through 16.6.0

Description An issue has been discovered in GitLab EE, where it was possible for an attacker to abuse the Allowed to merge permission as a guest user, when granted the permission through a group.

Recommendations For versions 8.13 through 16.4.2, update to version 16.4.3 or later. For versions 16.5 through 16.5.2, update to version 16.5.3 or later. For versions 16.6 through 16.6.0, update to version 16.6.1 or later. As a temporary workaround, consider restricting the Allowed to merge permission for guest users in groups until a patch is available.

Exploit

Fix

Incorrect Authorization

Weakness Enumeration

CWE-863

Related Identifiers

BIT-GITLAB-2023-4658

CVE-2023-4658

Affected Products

Gitlab

Gitlab Ce/Ee

References · 11

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/4xxx/CVE-2023-4658.json · Exploit
• 🔥 https://hackerone.com/reports/2104540 · Exploit
• https://osv.dev/vulnerability/CVE-2023-4658 · Vendor Advisory
• https://gitlab.com/gitlab-org/gitlab/-/issues/423835 · Vendor Advisory
• https://osv.dev/vulnerability/BIT-gitlab-2023-4658 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-4658 · Security Note
• https://t.me/cvenotify/62584 · Telegram Post
• https://twitter.com/NUYTSTECH/status/1736981724771582278 · Twitter Post
• https://t.me/cvenotify/61851 · Telegram Post
• https://t.me/cvenotify/61867 · Telegram Post
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-4658 · Note