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

2023-09-2205:02:08

fedora

github.com

gnome shell

lock screen bypass

session view vulnerability

screenshot tool

CVSS3

5.5

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

AI Score

6.6

Confidence

Low

SSVC

Exploitation

none

Automatable

Technical Impact

partial

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.

ADP Affected

[
  {
    "cpes": [
      "cpe:2.3:a:gnome:gnome-shell:-:*:*:*:*:*:*:*"
    ],
    "vendor": "gnome",
    "product": "gnome-shell",
    "versions": [
      {
        "status": "unknown",
        "version": "-"
      }
    ],
    "defaultStatus": "unknown"
  }
]