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CVE-2016-4804

Publication date 19 May 2016

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

6.2 · Medium

Score breakdown

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.

Status

Package Ubuntu Release Status
dosfstools 17.04 zesty
Not affected
16.10 yakkety
Not affected
16.04 LTS xenial
Fixed 3.0.28-2ubuntu0.1
15.10 wily
Fixed 3.0.28-1ubuntu0.1
14.04 LTS trusty
Fixed 3.0.26-1ubuntu0.1
12.04 LTS precise
Fixed 3.0.12-1ubuntu1.3

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
dosfstools

Severity score breakdown

Parameter Value
Base score 6.2 · Medium
Attack vector Local
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H