CVE-2011-4028

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    CVE-2011-4028

    Published: 3 Jul 2012Last Modified: 10 Apr 2026

    Summary:

    Details: The LockServer function in os/utils.c in X.Org xserver before 1.11.2 allows local users to determine the existence of arbitrary files via a symlink attack on a temporary lock file, which is handled differently if the file exists.

    References: http://rhn.redhat.com/errata/RHSA-2012-0939.html, http://secunia.com/advisories/46460, http://secunia.com/advisories/49579, http://cgit.freedesktop.org/xorg/xserver/commit/?id=6ba44b91e37622ef8c146d8f2ac92d708a18ed34, http://lists.freedesktop.org/archives/xorg/2011-October/053680.html

    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