CVE-2016-4804

    Dashboard / Vulnerabilities / CVE-2016-4804

    CVE-2016-4804

    Published: 3 Jun 2016Last Modified: 8 Jul 2026

    Summary:

    Details: 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.

    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, https://lists.debian.org/debian-lts-announce/2020/05/msg00028.html, 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

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    v3.0.28
    v3.0.27
    v3.0.26
    v3.0.25
    v3.0.24
    v3.0.23
    v3.0.22
    v3.0.21
    v3.0.20
    v3.0.19
    v3.0.18
    v3.0.17
    v3.0.16
    v3.0.15
    v3.0.14
    v3.0.13
    v3.0.12
    v3.0.11
    v3.0.10
    v3.0.9
    v3.0.8
    v3.0.7
    v3.0.6
    v3.0.5
    v3.0.4
    v3.0.3
    v3.0.2
    v3.0.1
    v3.0.0

    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