CVE-2018-20681

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Summary

CVECVE-2018-20681
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2019-01-09 23:29:00 UTC
Updated2019-01-30 14:02:00 UTC
Descriptionmate-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.

Risk And Classification

Problem Types: CWE-200

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Mate-desktop Mate-screensaver All All All All
Application Mate-desktop Mate-screensaver All All All All

References

ReferenceSourceLinkTags
Lock Screen not working after monitor plugged / unplugged (need to restart mate-screensaver) · Issue #170 · mate-desktop/mate-screensaver · GitHub MISC github.com Third Party Advisory
mate-screensaver screen lock can be bypassed by power cycling monitor [$110] · Issue #155 · mate-desktop/mate-screensaver · GitHub MISC github.com Exploit, Third Party Advisory
mate-screensaver does not maintain user lockout / screen lock under certain conditions · Issue #152 · mate-desktop/mate-screensaver · GitHub MISC github.com Exploit, Patch, Third Party Advisory
Fix-up 5d4416a to solve lock by-passing by XRevan86 · Pull Request #167 · mate-desktop/mate-screensaver · GitHub MISC github.com Patch, Third Party Advisory
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