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Bug#656500: xkb-data: XF86_Ungrab and XF86_ClearGrab security hole upstream



severity 656500 important
thanks

Mark Nipper <nipsy@bitgnome.net> (19/01/2012):
> http://gu1.aeroxteam.fr/2012/01/19/bypass-screensaver-locker-program-xorg-111-and-up/
> 
> and further syndicated by:
> ---
> http://www.phoronix.com/scan.php?page=news_item&px=MTA0NTA
> 
> the currently shipping version of this package contains a rather glaring
> security hole with regards to locking screen savers under X.
> 
> 	Fix seems to be commenting any references to XF86_Ungrab and
> XF86_ClearGrab, at least for the time being.  I'm not sure what the long
> term fix will be (reintroducing previously removed functionality
> possibly).

Downgrading severity per:
  http://packages.qa.debian.org/x/xorg-server/news/20120119T101901Z.html

As for the upstream fixes:
  http://lists.x.org/archives/xorg-devel/2012-January/028691.html
  http://lists.x.org/archives/xorg-devel/2012-January/028693.html

Mraw,
KiBi.

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