CVE-2023-43090 Gnome-shell: screenshot tool allows viewing open windows when session is locked

2023-09-2205:02:08

fedora

www.cve.org

cve-2023-43090

gnome shell

lock screen

keyboard shortcuts

screenshot tool

desktop session

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

5.5 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

JSON

A vulnerability was found in GNOME Shell. GNOME Shell’s lock screen allows an unauthenticated local user to view windows of the locked desktop session by using keyboard shortcuts to unlock the restricted functionality of the screenshot tool.

CNA Affected

[
  {
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "42.*",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "43.0",
        "lessThan": "43.9",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "44.0",
        "lessThan": "44.5",
        "versionType": "custom"
      }
    ],
    "packageName": "gnome-shell",
    "collectionURL": "https://gitlab.gnome.org/GNOME/gnome-shell",
    "defaultStatus": "unaffected"
  }
]