CVE-2022-33967
Published: 20 July 2022
squashfs filesystem implementation of U-Boot versions from v2020.10-rc2 to v2022.07-rc5 contains a heap-based buffer overflow vulnerability due to a defect in the metadata reading process. Loading a specially crafted squashfs image may lead to a denial-of-service (DoS) condition or arbitrary code execution.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
u-boot Launchpad, Ubuntu, Debian |
bionic |
Released
(2020.10+dfsg-1ubuntu0~18.04.3)
|
| focal |
Released
(2021.01+dfsg-3ubuntu0~20.04.5)
|
|
| impish |
Ignored
(end of life)
|
|
| jammy |
Released
(2022.01+dfsg-2ubuntu2.3)
|
|
| kinetic |
Not vulnerable
(2022.07+dfsg-1ubuntu4)
|
|
| lunar |
Not vulnerable
(2022.07+dfsg-1ubuntu4)
|
|
| mantic |
Not vulnerable
(2022.07+dfsg-1ubuntu4)
|
|
| trusty |
Ignored
(end of standard support)
|
|
| upstream |
Needs triage
|
|
| xenial |
Needs triage
|
|
|
Patches: upstream: https://source.denx.de/u-boot/u-boot/-/commit/7f7fb9937c6cb49dd35153bd6708872b390b0a44 |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.8 |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | Required |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |