Ubuntu: X.org vulnerabilities

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Special Forums Cybersecurity Security Advisories (RSS) Ubuntu: X.org vulnerabilities

01-18-2008

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Ubuntu: X.org vulnerabilities

LinuxSecurity.com: Multiple overflows were discovered in the XFree86-Misc, XInput-Misc, TOG-CUP, EVI, and MIT-SHM extensions which did not correctly validate function arguments. An authenticated attacker could send specially crafted requests and gain root privileges.

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xdpyinfo

XDPYINFO(1)                                                   General Commands Manual                                                  XDPYINFO(1)

NAME

       xdpyinfo - display information utility for X

SYNOPSIS

       xdpyinfo [-display displayname] [-queryExtensions] [-ext extension-name]

DESCRIPTION

       Xdpyinfo  is  a  utility  for displaying information about an X server.  It is used to examine the capabilities of a server, the predefined
       values for various parameters used in communicating between clients and the server, and the different types of screens and visuals that are
       available.

       By  default,  numeric  information  (opcode,  base  event, base error) about protocol extensions is not displayed.  This information can be
       obtained with the -queryExtensions option.  Use of this option on servers that dynamically load extensions will likely cause  all  possible
       extensions to be loaded, which can be slow and can consume significant server resources.

       Detailed  information  about  a particular extension is displayed with the -ext extensionName option.  If extensionName is all, information
       about all extensions supported by both xdpyinfo and the server is displayed.

ENVIRONMENT

       DISPLAY To get the default host, display number, and screen.

SEE ALSO

       X(7), xprop(1), xrdb(1), xwininfo(1), xdriinfo(1), xvinfo(1), glxinfo(1)

AUTHOR

       Jim Fulton, MIT X Consortium
       Support for the XFree86-VidModeExtension, XFree86-DGA, XFree86-Misc, and XKB extensions added by Joe Moss

X Version 11                                                      xdpyinfo 1.3.0                                                       XDPYINFO(1)