CVE-2023-6680 Improper Certificate Validation in GitLab

2023-12-1516:02:40

CWE-295

GitLab

www.cve.org

smartcard authentication

gitlab ee

cve-2023-6680

improper certificate validation

7.4 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

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

8.1 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

36.4%

JSON

An improper certificate validation issue in Smartcard authentication in GitLab EE affecting all versions from 11.6 prior to 16.4.4, 16.5 prior to 16.5.4, and 16.6 prior to 16.6.2 allows an attacker to authenticate as another user given their public key if they use Smartcard authentication. Smartcard authentication is an experimental feature and has to be manually enabled by an administrator.

CNA Affected

[
  {
    "vendor": "GitLab",
    "product": "GitLab",
    "repo": "git://[email protected]:gitlab-org/gitlab.git",
    "versions": [
      {
        "version": "11.6",
        "status": "affected",
        "lessThan": "16.4.4",
        "versionType": "semver"
      },
      {
        "version": "16.5",
        "status": "affected",
        "lessThan": "16.5.4",
        "versionType": "semver"
      },
      {
        "version": "16.6",
        "status": "affected",
        "lessThan": "16.6.2",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]