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    CVE-2016-4804

    The read_boot function in boot.c in dosfstools before 4.0 allows attackers to cause a denial of service (crash) via a crafted filesystem, which triggers a heap-based buffer overflow in the (1) read_fat function or an out-of-bounds heap read in (2) get_fat function.

    Published:May 14, 2016
    Last Modified:Apr 12, 2025
    EPS:Jun 3, 2016
    EPSS Score:0.00122
    CVSS Score:6.2

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Dosfstools Project
    Product
    Dosfstools
    Vendor
    Opensuse
    Product
    Leap
    Vendor
    Opensuse
    Product
    Opensuse

    Exploits

    No exploit reference

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    References

    http://lists.opensuse.org/opensuse-updates/2016-06/msg00001.html
    http://lists.opensuse.org/opensuse-updates/2016-09/msg00014.html
    http://www.securityfocus.com/bid/90311
    http://www.ubuntu.com/usn/USN-2986-1
    https://blog.fuzzing-project.org/44-dosfstools-fsck.vfat-Several-invalid-memory-accesses.html
    https://github.com/dosfstools/dosfstools/commit/e8eff147e9da1185f9afd5b25948153a3b97cf52
    https://github.com/dosfstools/dosfstools/issues/25
    https://github.com/dosfstools/dosfstools/issues/26
    https://lists.debian.org/debian-lts-announce/2020/05/msg00028.html
    http://lists.opensuse.org/opensuse-updates/2016-06/msg00001.html
    http://lists.opensuse.org/opensuse-updates/2016-09/msg00014.html
    http://www.securityfocus.com/bid/90311
    http://www.ubuntu.com/usn/USN-2986-1
    https://blog.fuzzing-project.org/44-dosfstools-fsck.vfat-Several-invalid-memory-accesses.html
    https://github.com/dosfstools/dosfstools/commit/e8eff147e9da1185f9afd5b25948153a3b97cf52
    https://github.com/dosfstools/dosfstools/issues/25
    https://github.com/dosfstools/dosfstools/issues/26
    https://lists.debian.org/debian-lts-announce/2020/05/msg00028.html

    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