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    CVE-2017-18018

    In GNU Coreutils through 8.29, chown-core.c in chown and chgrp does not prevent replacement of a plain file with a symlink during use of the POSIX "-R -L" options, which allows local users to modify the ownership of arbitrary files by leveraging a race condition.

    Published:Dec 20, 2017
    Last Modified:Jun 9, 2025
    EPS:Jan 4, 2018
    EPSS Score:0.00056
    CVSS Score:7.1

    Affected Products

    Vendor
    Gnu
    Product
    Coreutils

    Exploits

    http://lists.gnu.org/archive/html/coreutils/2017-12/msg00045.htmlhttp://lists.gnu.org/archive/html/coreutils/2017-12/msg00045.html

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    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