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

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CVE-2021-34380

Severity CVSS v4.0:
Pending analysis
Type:
CWE-787 Out-of-bounds Write
Publication date:
30/06/2021
Last modified:
06/07/2021

Description

Bootloader contains a vulnerability in NVIDIA MB2 where potential heap overflow might cause corruption of the heap metadata, which might lead to arbitrary code execution, denial of service, and information disclosure during secure boot.

Impact

Vector 3.x
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/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:L/UI:N/S:U/C:H/I:H/A:H

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

Base Score 3.x
7.80
Severity 3.x
HIGH
Vector 2.0
AV:L/AC:L/Au:N/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 4.60 MEDIUM
Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P

Attack Vector (AV): Local
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): Physical

Base Score 2.0
4.60
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:nvidia:jetson_linux:*:*:*:*:*:*:*:* 32.5.1 (excluding)
cpe:2.3:h:nvidia:jetson_agx_xavier_16gb:-:*:*:*:*:*:*:*
cpe:2.3:h:nvidia:jetson_agx_xavier_32gb:-:*:*:*:*:*:*:*
cpe:2.3:h:nvidia:jetson_agx_xavier_8gb:-:*:*:*:*:*:*:*
cpe:2.3:h:nvidia:jetson_tx2:-:*:*:*:*:*:*:*
cpe:2.3:h:nvidia:jetson_tx2_4gb:-:*:*:*:*:*:*:*
cpe:2.3:h:nvidia:jetson_tx2_nx:-:*:*:*:*:*:*:*
cpe:2.3:h:nvidia:jetson_tx2i:-:*:*:*:*:*:*:*
cpe:2.3:h:nvidia:jetson_xavier_nx:-:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools