CVE-2012-0871

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    CVE-2012-0871

    Published: 18 Apr 2014Last Modified: 10 Apr 2026

    Summary:

    Details: The session_link_x11_socket function in login/logind-session.c in systemd-logind in systemd, possibly 37 and earlier, allows local users to create or overwrite arbitrary files via a symlink attack on the X11 user directory in /run/user/.

    References: https://bugzilla.novell.com/show_bug.cgi?id=747154, https://bugzilla.redhat.com/show_bug.cgi?id=795853, http://cgit.freedesktop.org/systemd/systemd/commit/?id=fc3c1c6e091ea16ad5600b145201ec535bbb5d7c, http://lists.opensuse.org/opensuse-security-announce/2012-02/msg00030.html, http://www.osvdb.org/79768

    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