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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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LEARN ABOUT CENTOS

gnome-settings-daemon

GNOME-SETTINGS-DAE(1)						   User Commands					     GNOME-SETTINGS-DAE(1)

NAME

       gnome-settings-daemon - GNOME settings daemon

SYNOPSIS

       gnome-settings-daemon [OPTION...]

DESCRIPTION

       gnome-settings-daemon provides many session-wide services and functions that require a long-running process. Among the services implemented
       by gnome-settings-daemon are an XSettings manager, which provides theming, font and other settings to GTK+ applications, and a clipboard
       manager, which preserves clipboard contents when an application exits. Many user interface elements of gnome-shell and gnome-control-center
       rely on gnome-settings-daemon for their functionality.

       The internal architecture of gnome-settings-daemon consists of a number of plugins, which provide functionality such as printer
       notifications, software update monitoring, background changing, etc. For debugging purposes, these plugins can be individually disabled by
       changing the gsettings key org.gnome.settings-daemon.plugins.plugin-name.active, where plugin-name is the name of the plugin. To see a list
       of all plugins, use the command
	gsettings list-children org.gnome.settings-daemon.plugins

       gnome-settings-daemon takes the name org.gnome.SettingsDaemon on the session bus to ensure that only one instance is running. Some plugins
       export objects under this name to make their functionality available to other applications. The interfaces of these objects should
       generally be considered private and unstable.

       gnome-settings-daemon is a required component of the GNOME desktop, i.e. it is listed in the RequiredComponents field of
       /usr/share/gnome-session/sessions/gnome.session. It is started in the initialization phase of the session, and gnome-session will restart
       it if it crashes.

OPTIONS

       -h, --help
	   Prints a short help text and exits.

       --debug
	   Enables debugging code.

       --timed-exit
	   Exits after a timeout (30 seconds) for debugging.

FILES

       /usr/share/gnome-session/sessions/gnome.session
	   GNOME session definition file where gnome-settings-daemon is listed as a required component.

       /etc/xdg/autostart/gnome-settings-daemon.desktop
	   Autostart file for gnome-settings-daemon, where its autostart phase is set.

SEE ALSO

       gnome-shell(1), gnome-control-center(1), gnome-session(1)

GNOME
															     GNOME-SETTINGS-DAE(1)