CVE-2018-20681 Information

Description

mate-screensaver before 1.20.2 in MATE Desktop Environment allows physically proximate attackers to view screen content and possibly control applications. By unplugging and re-plugging or power-cycling external output devices (such as additionally attached graphical outputs via HDMI VGA DVI etc.) the content of a screensaver-locked session can be revealed. In some scenarios the attacker can execute applications such as by clicking with a mouse.

CVSS Vector

CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Reference

https://github.com/mate-desktop/mate-screensaver/issues/152 https://github.com/mate-desktop/mate-screensaver/issues/155 https://github.com/mate-desktop/mate-screensaver/issues/170 https://github.com/mate-desktop/mate-screensaver/pull/167

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

NONE

Base Severity

6.1