Attacker Value
Unknown
(0 users assessed)
Exploitability
Unknown
(0 users assessed)
User Interaction
None
Privileges Required
None
Attack Vector
Network
0

CVE-2017-8288

Disclosure Date: April 27, 2017
Add MITRE ATT&CK tactics and techniques that apply to this CVE.

Description

gnome-shell 3.22 through 3.24.1 mishandles extensions that fail to reload, which can lead to leaving extensions enabled in the lock screen. With these extensions, a bystander could launch applications (but not interact with them), see information from the extensions (e.g., what applications you have opened or what music you were playing), or even execute arbitrary commands. It all depends on what extensions a user has enabled. The problem is caused by lack of exception handling in js/ui/extensionSystem.js.

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CVSS V3 Severity and Metrics
Base Score:
8.1 High
Impact Score:
5.9
Exploitability Score:
2.2
Vector:
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector (AV):
Network
Attack Complexity (AC):
High
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
High

General Information

Vendors

  • gnome

Products

  • gnome-shell 3.22.0,
  • gnome-shell 3.22.1,
  • gnome-shell 3.22.2,
  • gnome-shell 3.22.3,
  • gnome-shell 3.23.1,
  • gnome-shell 3.23.2,
  • gnome-shell 3.23.3,
  • gnome-shell 3.23.90,
  • gnome-shell 3.23.91,
  • gnome-shell 3.23.92,
  • gnome-shell 3.24.0,
  • gnome-shell 3.24.1
Technical Analysis