CVE-2016-4804
Published: 19 May 2016
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.
Priority
Status
Package | Release | Status |
---|---|---|
dosfstools Launchpad, Ubuntu, Debian |
precise |
Released
(3.0.12-1ubuntu1.3)
|
trusty |
Released
(3.0.26-1ubuntu0.1)
|
|
upstream |
Released
(4.0-1)
|
|
wily |
Released
(3.0.28-1ubuntu0.1)
|
|
xenial |
Released
(3.0.28-2ubuntu0.1)
|
|
yakkety |
Not vulnerable
(4.0-2ubuntu1)
|
|
zesty |
Not vulnerable
(4.0-2ubuntu1)
|
|
Patches: upstream: https://github.com/dosfstools/dosfstools/commit/e8eff147e9da1185f9afd5b25948153a3b97cf52 |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 6.2 |
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 |