CVE-2021-34380 : Bootloader contains a vulnerability in NVIDIA MB2 where potential heap overflow

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.

Published 2021-06-30 11:15:09

Updated 2021-07-06 15:23:32

Source NVIDIA Corporation

View at NVD, CVE.org

Vulnerability category: Memory CorruptionDenial of serviceInformation leak

Products affected by CVE-2021-34380

Nvidia » Jetson Linux
Versions before (<) 32.5.1
cpe:2.3:o:nvidia:jetson_linux:*:*:*:*:*:*:*:*
Matching versions
When used together with: Nvidia » Jetson Agx Xavier 16gb » Version: N/A
When used together with: Nvidia » Jetson Agx Xavier 32gb » Version: N/A
When used together with: Nvidia » Jetson Agx Xavier 8gb » Version: N/A
When used together with: Nvidia » Jetson Tx2 » Version: N/A
When used together with: Nvidia » Jetson Tx2 4gb » Version: N/A
When used together with: Nvidia » Jetson Tx2 Nx » Version: N/A
When used together with: Nvidia » Jetson Tx2i » Version: N/A
When used together with: Nvidia » Jetson Xavier Nx » Version: N/A

Exploit prediction scoring system (EPSS) score for CVE-2021-34380

EPSS FAQ

0.04%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 10 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-34380

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.6	MEDIUM	AV:L/AC:L/Au:N/C:P/I:P/A:P	3.9	6.4	NIST
Access Vector: Local Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
7.8	HIGH	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	1.8	5.9	NIST
Attack Vector: Local Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High
7.0	HIGH	CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H	1.0	5.9	NVIDIA Corporation
Attack Vector: Local Attack Complexity: High Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2021-34380

CWE-787 Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2021-34380

https://nvidia.custhelp.com/app/answers/detail/a_id/5205

Security Bulletin: NVIDIA Jetson AGX Xavier Series, Jetson Xavier NX, Jetson TX1, Jetson TX2 Series (including Jetson TX2 NX), and Jetson Nano (including Jetson Nano 2GB) - June 2021 | NVIDIA
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Vulnerability Details : CVE-2021-34380

Products affected by CVE-2021-34380

Exploit prediction scoring system (EPSS) score for CVE-2021-34380

CVSS scores for CVE-2021-34380

CWE ids for CVE-2021-34380

References for CVE-2021-34380