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.

CVSS v3.0 6.2 MEDIUM
CVSS v2.0 2.1 LOW

6.2^/10

CVSS v3.0 : MEDIUM

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

Exploitability : 2.5 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

2.1^/10

CVSS v2.0 : LOW

Vector : AV:L/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 3.9 / Impact : 2.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
http://www.ubuntu.com/usn/USN-2986-1
https://github.com/dosfstools/dosfstools/commit/e8eff147e9da1185f9afd5b25948153a3b97cf52
http://lists.opensuse.org/opensuse-updates/2016-06/msg00001.html
https://github.com/dosfstools/dosfstools/issues/25	Patch Vendor Advisory
https://blog.fuzzing-project.org/44-dosfstools-fsck.vfat-Several-invalid-memory-accesses.html	Patch
https://github.com/dosfstools/dosfstools/issues/26	Patch Vendor Advisory
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

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Configurations

Configuration 1 (hide)

cpe:2.3:a:dosfstools_project:dosfstools:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:opensuse:leap:42.1:::::::*
	cpe:2.3:o:opensuse:opensuse:13.2:::::::*

Configuration 3 (hide)

OR	cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:12.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:16.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:15.10:::::::*

Information

Published : 2016-06-03 07:59

Updated : 2020-05-30 11:15

NVD link : CVE-2016-4804

Mitre link : CVE-2016-4804

JSON object : View

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

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Products Affected

canonical

ubuntu_linux

dosfstools_project

dosfstools

opensuse

opensuse
leap

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