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    CVE-2021-28153

    An issue was discovered in GNOME GLib before 2.66.8. When g_file_replace() is used with G_FILE_CREATE_REPLACE_DESTINATION to replace a path that is a dangling symlink, it incorrectly also creates the target of the symlink as an empty file, which could conceivably have security relevance if the symlink is attacker-controlled. (If the path is a symlink to a file that already exists, then the contents of that file correctly remain unchanged.)

    Published:Mar 10, 2021
    Last Modified:Nov 21, 2024
    EPS:Mar 11, 2021
    EPSS Score:0.00444
    CVSS Score:5.3

    Affected Products

    Vendor
    Broadcom
    Product
    Brocade Fabric Operating System Firmware
    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Gnome
    Product
    Glib
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    https://gitlab.gnome.org/GNOME/glib/-/issues/2325https://gitlab.gnome.org/GNOME/glib/-/issues/2325

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    References

    https://gitlab.gnome.org/GNOME/glib/-/issues/2325
    https://lists.debian.org/debian-lts-announce/2022/06/msg00006.html
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6RXTD5HCP2K4AAUSWWZTBKQNHRCTAEOF/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ICUTQPHZNZWX2DZR46QFLQZRHVMHIILJ/
    https://security.gentoo.org/glsa/202107-13
    https://security.netapp.com/advisory/ntap-20210416-0003/
    https://gitlab.gnome.org/GNOME/glib/-/issues/2325
    https://lists.debian.org/debian-lts-announce/2022/06/msg00006.html
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6RXTD5HCP2K4AAUSWWZTBKQNHRCTAEOF/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ICUTQPHZNZWX2DZR46QFLQZRHVMHIILJ/
    https://security.gentoo.org/glsa/202107-13
    https://security.netapp.com/advisory/ntap-20210416-0003/

    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