CVE-2023-1965

2023-05-0321:15:18

CWE-352

[email protected]

web.nvd.nist.gov

gitlab

cve-2023-1965

security vulnerability

relaystate

sso

saml

access tokens

6.8 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

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

5.9 Medium

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

65.5%

JSON

An issue has been discovered in GitLab EE affecting all versions starting from 14.2 before 15.9.6, all versions starting from 15.10 before 15.10.5, all versions starting from 15.11 before 15.11.1. Lack of verification on RelayState parameter allowed a maliciously crafted URL to obtain access tokens granted for 3rd party Group SAML SSO logins. This feature isn’t enabled by default.

Affected configurations

NVD

Node

gitlabgitlabRange14.2–15.9.6enterprise

gitlabgitlabRange15.10–15.10.5enterprise

gitlabgitlabRange15.11–15.11.1enterprise

CPENameOperatorVersion
gitlab:gitlabgitlablt15.9.6
gitlab:gitlabgitlablt15.10.5
gitlab:gitlabgitlablt15.11.1

CPE	Name	Operator	Version
gitlab:gitlab	gitlab	lt	15.9.6
gitlab:gitlab	gitlab	lt	15.10.5
gitlab:gitlab	gitlab	lt	15.11.1

CNA Affected

[
  {
    "vendor": "GitLab",
    "product": "GitLab",
    "versions": [
      {
        "version": ">=14.2, <15.9.6",
        "status": "affected"
      },
      {
        "version": ">=15.10, <15.10.5",
        "status": "affected"
      },
      {
        "version": ">=15.11, <15.11.1",
        "status": "affected"
      }
    ]
  }
]