title: Improper Privilege Management in GitLab
description: An issue has been discovered in GitLab EE affecting all versions starting from 16.5 before 16.7.6, all versions starting from 16.8 before 16.8.3, all versions starting from 16.9 before 16.9.1. When a user is assigned a custom role with admin_group_member permission, they may be able to make a group, other members or themselves Owners of that group, which may lead to privilege escalation.
problem types: CWE-269: Improper Privilege Management
affected:
{
vendor: GitLab
product: GitLab
repo: git://git@gitlab.com:gitlab-org/gitlab.git
versions:
version: 16.5, status: affected, lessThan: 16.7.6, versionType: semver
version: 16.8, status: affected, lessThan: 16.8.3, versionType: semver
version: 16.9, status: affected, lessThan: 16.9.1, versionType: semver
defaultStatus: unaffected
}
metrics:
format: CVSS
scenarios: GENERAL
cvssV3_1: [
version: 3.1
vectorString: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: HIGH
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: LOW
baseScore: 6.7
baseSeverity: MEDIUM
]
solutions: Upgrade to versions 16.9.1, 16.8.3, 16.7.6 or above.