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CVE-2018-14665:setuid 複寫檔案的 security issue...

Twitter 上看到的 security issue,好久沒在這麼普及的軟體上看到這種 bug 了:

CVE - CVE-2018-14665 的說明裡面有提到 1.20.3 前的版本都有中,但沒講到從哪個版本開始,看起來是全系列...?

A flaw was found in xorg-x11-server before 1.20.3. An incorrect permission check for -modulepath and -logfile options when starting Xorg. X server allows unprivileged users with the ability to log in to the system via physical console to escalate their privileges and run arbitrary code under root privileges.

這一臉 orz...

Linux 下多點觸控的設定

看到「Multitouch gestures with libinput dirver on X11, Linux」這個專案,可以在 Linux/X11 下偵測到多點觸控,然後設定對應的按鍵,從他的設定檔就可以看到這套軟體的功能了:

swipe:
  3: 
    left: 
      shortcut: 'alt+Right'
    right: 
      shortcut: 'alt+Left'
    up: 
      shortcut: 'ctrl+t'
    down: 
      shortcut: 'ctrl+w'
  4:
    left: 
      shortcut: 'super+Right'
    right: 
      shortcut: 'super+Left'
    up: 
      shortcut: 'super+a'
    down: 
      shortcut: 'super+s'
pinch:
  in:
    shortcut: 'ctrl+plus'
  out:
     shortcut: 'ctrl+minus'

不知道實際跑起來如何 @_@

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