Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2022-33967

Severity CVSS v4.0:
Pending analysis
Type:
CWE-787 Out-of-bounds Write
Publication date:
20/07/2022
Last modified:
03/11/2025

Description

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.

Impact

Vector 3.x
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.80 HIGH
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
7.80
Severity 3.x
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:denx:u-boot:2020.10:rc2:*:*:*:*:*:*
cpe:2.3:a:denx:u-boot:2020.10:rc3:*:*:*:*:*:*
cpe:2.3:a:denx:u-boot:2020.10:rc4:*:*:*:*:*:*
cpe:2.3:a:denx:u-boot:2020.10:rc5:*:*:*:*:*:*
cpe:2.3:a:denx:u-boot:2021.01:-:*:*:*:*:*:*
cpe:2.3:a:denx:u-boot:2021.01:rc1:*:*:*:*:*:*
cpe:2.3:a:denx:u-boot:2021.01:rc2:*:*:*:*:*:*
cpe:2.3:a:denx:u-boot:2021.01:rc3:*:*:*:*:*:*
cpe:2.3:a:denx:u-boot:2021.01:rc4:*:*:*:*:*:*
cpe:2.3:a:denx:u-boot:2021.01:rc5:*:*:*:*:*:*
cpe:2.3:a:denx:u-boot:2021.04:rc1:*:*:*:*:*:*
cpe:2.3:a:denx:u-boot:2021.04:rc2:*:*:*:*:*:*
cpe:2.3:a:denx:u-boot:2022.01:-:*:*:*:*:*:*
cpe:2.3:a:denx:u-boot:2022.01:rc1:*:*:*:*:*:*
cpe:2.3:a:denx:u-boot:2022.01:rc2:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools