CVE-2013-4394

    Dashboard / Vulnerabilities / CVE-2013-4394

    CVE-2013-4394

    Published: 28 Oct 2013Last Modified: 10 Apr 2026

    Summary:

    Details: 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."

    References: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=725357, http://www.debian.org/security/2013/dsa-2777, http://www.openwall.com/lists/oss-security/2013/10/01/9, https://bugzilla.redhat.com/show_bug.cgi?id=862324, https://security.gentoo.org/glsa/201612-34, http://www.openwall.com/lists/oss-security/2013/10/01/9, https://bugzilla.redhat.com/show_bug.cgi?id=862324, http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=725357, https://bugzilla.redhat.com/show_bug.cgi?id=862324

    Affected packages

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High