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Ubuntu: gnome-screensaver vulnerabilities

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Special Forums Cybersecurity Security Advisories (RSS) Ubuntu: gnome-screensaver vulnerabilities
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Old 11-12-2008
Ubuntu: gnome-screensaver vulnerabilities
LinuxSecurity.com: It was discovered that the notify feature in gnome-screensaver could let a local attacker read the clipboard contents of a locked session by using Ctrl-V. (CVE-2007-6389) Alan Matsuoka discovered that gnome-screensaver did not properly handle network outages when using a remote authentication service. During a network interruption, or by disconnecting the network cable, a local attacker could gain access to locked sessions. (CVE-2008-0887)

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gnome-screensaver-command

gnome-screensaver-command(1)				      General Commands Manual				      gnome-screensaver-command(1)

NAME

       gnome-screensaver-command - controls GNOME screensaver

SYNOPSIS

       gnome-screensaver-command [OPTION...]

DESCRIPTION

       gnome-screensaver-command is a tool for controlling an already running instance of gnome-screensaver.

OPTIONS

       --exit Causes the screensaver to exit gracefully

       -q, --query
	      Query the state of the screensaver

       -t, --time
	      Query the length of time the screensaver has been active

       -l, --lock
	      Tells the running screensaver process to lock the screen immediately

       -c, --cycle
	      If the screensaver is active then switch to another graphics demo

       -a, --activate
	      Turn the screensaver on (blank the screen)

       -d, --deactivate
	      If the screensaver is active then deactivate it (un-blank the screen)

       -p, --poke
	      Poke the running screensaver to simulate user activity

       -i, --inhibit
	      Inhibit the screensaver from activating. Command blocks while inhibit is active.

       -n, --application-name
	      The calling application that is inhibiting the screensaver

       -r, --reason
	      The reason for inhibiting the screensaver

       -V, --version
	      Version of this application

AUTHORS

       gnome-screensaver-command is written by William Jon McCann <mccann@jhu.edu>.

       This manual page was written by Sven Arvidsson <sa@whiz.se>.

SEE ALSO

       gnome-screensaver(1)

GNOME
								    2007-09-27					      gnome-screensaver-command(1)