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Message-ID: <20210116083946.29de5cf3@computer>
Date: Sat, 16 Jan 2021 08:39:46 +0100
From: Hanno Böck <hanno@...eck.de>
To: oss-security@...ts.openwall.com
Subject: MATE screensaver screen lock bypass with external monitor
Given the discussion about a cinnamon screensaver crash vuln, I was
recently made aware of this issue in mate-screensaver:
https://github.com/mate-desktop/mate-screensaver/issues/183
It seems by a series of plugging in and out external monitors with mate
screensaver you can see the screen content despite the screen being
locked.
--
Hanno Böck
https://hboeck.de/
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