Ubuntu: gnome-screensaver vulnerabilities

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11-12-2008

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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 OPENSOLARIS

gnome-session-save

gnome-session-save(1)						   User Commands					     gnome-session-save(1)

NAME

       gnome-session-save - saves or terminates the current GNOME session

SYNOPSIS

       gnome-session-save [--gui] [--kill] [--session-name=name] [--silent] [gnome-std-options]

DESCRIPTION

       gnome-session-save  can	be  used from a GNOME session to save a snapshot of the currently running applications. This session will be later
       restored at your next GNOME startup session.

OPTIONS

       The following options are supported:

       --gui

	   If specified, then any errors will be displayed in a dialog box.  Otherwise, such messages are displayed to	stderr.   Note	that  this
	   option has no affect any dialogs that the window manager might display.

       --kill

	   Terminates  the  GNOME session.  The session will not be saved if this option is provided, unless the user has configured their session
	   to always save on logout.

       -s, --session-name=name

	   Set name of session to save.

       --silent

	   Avoids displaying any confirmation or dialogs, including ones that are displayed by the window manager (such as dialogs  informing  the
	   user about any windows that cannot save session, or session logout confirmation when the --kill option is also used).

       gnome-std-options

	   Standard options available for use with most GNOME applications.  See gnome-std-options(5) for more information.

EXAMPLES

       Example 1: Saving the user's current session

       example% gnome-session-save

       Example 2: Terminating the user's current session

       example% gnome-session-save --kill

EXIT STATUS

       The following exit values are returned:

       0	Application exited successfully

       >0	Application exited with failure

FILES

       The following files are used by this application:

       /usr/bin/gnome-session-save     The command-line executable for the application.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWgnome-session 	   |
       +-----------------------------+-----------------------------+
       |Interface stability	     |Volatile			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       gnome-session(1), metacity(1), attributes(5), gnome-std-options(5)

NOTES

       Written by Brian Cameron, Sun Microsystems Inc., 2003, 2006, 2007.

SunOS 5.11							    07 Nov 2007 					     gnome-session-save(1)

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