CVE-2016-4804

MEDIUM

Dosfstools < 3.0.28 - Memory Corruption

Title source: rule

Description

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 (9)

[Mailing List] http://lists.opensuse.org/opensuse-updates/2016-06/msg00001.html

[Mailing List] http://lists.opensuse.org/opensuse-updates/2016-09/msg00014.html

[Vendor Advisory] http://www.ubuntu.com/usn/USN-2986-1

[Patch] https://blog.fuzzing-project.org/44-dosfstools-fsck.vfat-Several-invalid-memory-accesses.html

[Patch, Vendor Advisory] https://github.com/dosfstools/dosfstools/issues/25

[Patch, Vendor Advisory] https://github.com/dosfstools/dosfstools/issues/26

[Mailing List] https://lists.debian.org/debian-lts-announce/2020/05/msg00028.html

[Patch] https://github.com/dosfstools/dosfstools/commit/e8eff147e9da1185f9afd5b25948153a3b97cf52

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/90311

Scores

CVSS v3 6.2

EPSS 0.0012

EPSS Percentile 31.2%

Attack Vector LOCAL

CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Classification

CWE

CWE-119

Status draft

Affected Products (7)

dosfstools_project/dosfstools < 3.0.28

opensuse/leap

opensuse/opensuse

canonical/ubuntu_linux

canonical/ubuntu_linux

canonical/ubuntu_linux

canonical/ubuntu_linux

Timeline

Published Jun 03, 2016

Tracked Since Feb 18, 2026