CVE-2023-4658 Improper Access Control in GitLab

2023-12-0107:01:58

CWE-284

GitLab

www.cve.org

cve-2023-4658

gitlab ee

access control

guest user

3.1 Low

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N

4.2 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

14.2%

JSON

An issue has been discovered in GitLab EE affecting all versions starting from 8.13 before 16.4.3, all versions starting from 16.5 before 16.5.3, all versions starting from 16.6 before 16.6.1. It was possible for an attacker to abuse the Allowed to merge permission as a guest user, when granted the permission through a group.

CNA Affected

[
  {
    "vendor": "GitLab",
    "product": "GitLab",
    "repo": "git://[email protected]:gitlab-org/gitlab.git",
    "versions": [
      {
        "version": "8.13",
        "status": "affected",
        "lessThan": "16.4.3",
        "versionType": "semver"
      },
      {
        "version": "16.5",
        "status": "affected",
        "lessThan": "16.5.3",
        "versionType": "semver"
      },
      {
        "version": "16.6",
        "status": "affected",
        "lessThan": "16.6.1",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]