CVE-2016-4804

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Summary

CVECVE-2016-4804
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2016-06-03 14:59:06 UTC
Updated2026-05-06 22:30:45 UTC
DescriptionThe 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.

Risk And Classification

Primary CVSS: v3.0 6.2 MEDIUM from [email protected]

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

Problem Types: CWE-119 | n/a

VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary6.2MEDIUMCVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
2.0[email protected]Primary2.1AV:L/AC:L/Au:N/C:N/I:N/A:P

CVSS v3.0 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

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

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Canonical Ubuntu Linux 12.04 All All All
Operating System Canonical Ubuntu Linux 14.04 All All All
Operating System Canonical Ubuntu Linux 15.10 All All All
Operating System Canonical Ubuntu Linux 16.04 All All All
Application Dosfstools Project Dosfstools All All All All
Operating System Opensuse Leap 42.1 All All All
Operating System Opensuse Opensuse 13.2 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
read_boot(): Handle excessive FAT size specifications · dosfstools/dosfstools@e8eff14 · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com
USN-2986-1: dosfstools vulnerabilities | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com
dosfstools Multiple Security Vulnerabilities af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
openSUSE-SU-2016:1461-1: moderate: Security update for dosfstools af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
[SECURITY] [DLA 2224-1] dosfstools security update af854a3a-2127-422b-91ae-364da2661108 lists.debian.org
Heap overflow in function read_fat() · Issue #25 · dosfstools/dosfstools · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com Patch, Vendor Advisory
openSUSE-SU-2016:2233-1: moderate: Security update for dosfstools af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
heap out of bounds read in get_fat() · Issue #26 · dosfstools/dosfstools · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com Patch, Vendor Advisory
dosfstools / fsck.vfat: Several invalid memory accesses | The Fuzzing Project af854a3a-2127-422b-91ae-364da2661108 blog.fuzzing-project.org Patch
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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