CVE-2018-1000205
Published: 26 June 2018
U-Boot contains a CWE-20: Improper Input Validation vulnerability in Verified boot signature validation that can result in Bypass verified boot. This attack appear to be exploitable via Specially crafted FIT image and special device memory functionality.
Notes
Author | Note |
---|---|
mdeslaur | verified boot not used in Ubuntu, setting as "negligible" |
Priority
Status
Package | Release | Status |
---|---|---|
u-boot Launchpad, Ubuntu, Debian |
impish |
Not vulnerable
(2020.04+dfsg-2ubuntu1)
|
groovy |
Not vulnerable
(2020.04+dfsg-2ubuntu1)
|
|
jammy |
Not vulnerable
(2020.04+dfsg-2ubuntu1)
|
|
xenial |
Needed
|
|
bionic |
Not vulnerable
(2019.07+dfsg-1ubuntu4~18.04.1)
|
|
focal |
Not vulnerable
(2019.07+dfsg-1ubuntu6)
|
|
kinetic |
Not vulnerable
(2020.04+dfsg-2ubuntu1)
|
|
lunar |
Not vulnerable
(2020.04+dfsg-2ubuntu1)
|
|
artful |
Ignored
(end of life)
|
|
cosmic |
Ignored
(end of life)
|
|
disco |
Ignored
(end of life)
|
|
eoan |
Ignored
(end of life)
|
|
hirsute |
Not vulnerable
(2020.04+dfsg-2ubuntu1)
|
|
trusty |
Does not exist
(trusty was needed)
|
|
upstream |
Needs triage
|
|
mantic |
Not vulnerable
(2020.04+dfsg-2ubuntu1)
|
|
Patches: upstream: https://github.com/u-boot/u-boot/commit/72239fc85f3eda078547956608c063ab965e90e9 upstream: https://github.com/u-boot/u-boot/commit/7346c1e192d63cd35f99c7e845e53c5d4d0bdc24 other: https://lists.denx.de/pipermail/u-boot/2018-June/330488.html |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 5.5 |
Attack vector | Local |
Attack complexity | Low |
Privileges required | None |
User interaction | Required |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | High |
Availability impact | None |
Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N |