Privilege Escalation via SetX11Keyboard Function in systemd

CVE-2013-4394 · MEDIUM Severity

AV:L/AC:H/AU:N/C:C/I:C/A:P

The SetX11Keyboard function in systemd, when PolicyKit Local Authority (PKLA) is used to change the group permissions on the X Keyboard Extension (XKB) layouts description, allows local users in the group to modify the Xorg X11 Server configuration file and possibly gain privileges via vectors involving "special and control characters."

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