CVE-2023-3900 Improper Input Validation in GitLab

2023-08-0200:07:05

CWE-20

GitLab

www.cve.org

cve-2023-3900

input validation

gitlab

denial of service

merge requests

4.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

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

7.5 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

23.1%

JSON

An issue has been discovered in GitLab CE/EE affecting all versions starting from 16.1 before 16.1.3, all versions starting from 16.2 before 16.2.2. An invalid ‘start_sha’ value on merge requests page may lead to Denial of Service as Changes tab would not load.

CNA Affected

[
  {
    "vendor": "GitLab",
    "product": "GitLab",
    "repo": "git://[email protected]:gitlab-org/gitlab.git",
    "versions": [
      {
        "version": "16.1",
        "status": "affected",
        "lessThan": "16.1.3",
        "versionType": "semver"
      },
      {
        "version": "16.2",
        "status": "affected",
        "lessThan": "16.2.2",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]