CVE-2016-4804: Buffer Overflow

Published Jun 3, 2016
·
Updated

The readboot 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) readfat function or an out-of-bounds heap read in (2) getfat function.

Affected Software

7 affected components
Dosfstools Project Dosfstools<=3.0.28
openSUSE Leap=42.1
openSUSE openSUSE=13.2
Canonical Ubuntu Linux=12.04
Canonical Ubuntu Linux=14.04
Canonical Ubuntu Linux=15.10
Canonical Ubuntu Linux=16.04

Event History

Jun 3, 2016
CVE Published
via MITRE·02:00 PM
Data Sourced
via MITRE·02:00 PM
Description

Frequently Asked Questions

1

What is the severity of CVE-2016-4804?

CVE-2016-4804 has a high severity rating due to its potential to cause a denial of service through a heap-based buffer overflow.

2

How do I fix CVE-2016-4804?

To fix CVE-2016-4804, update to dosfstools version 4.0 or later.

3

Which software is affected by CVE-2016-4804?

CVE-2016-4804 affects dosfstools versions prior to 4.0 and specific versions of openSUSE and Ubuntu Linux.

4

What type of vulnerability is CVE-2016-4804?

CVE-2016-4804 is a buffer overflow vulnerability that can lead to denial of service.

5

How can CVE-2016-4804 be exploited?

CVE-2016-4804 can be exploited by attackers using a crafted filesystem that triggers a crash in the affected software.

Contact

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