CVE-2022-24936

CVSS V2 None CVSS V3 Critical 9.1

Description

Out-of-Bounds error in GBL parser in Silicon Labs Gecko Bootloader version 4.0.1 and earlier allows attacker to overwrite flash Sign key and OTA decryption key via malicious bootloader upgrade.

Overview

CVE ID
CVE-2022-24936

Assigner
product-security@silabs.com

Vulnerability Status
Analyzed

Published Version
2022-11-02T18:15:10

Last Modified Date
2022-11-03T16:41:30

Weakness Enumerations

CWE	URL
CWE-787	http://cwe.mitre.org/data/definitions/787.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:silabs:gecko_bootloader::::::::	1	OR		4.0.1

CVSS Version 3

Version
3.1

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

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
NONE

Availability Impact
HIGH

Base Score
9.1

Base Severity
CRITICAL

Exploitability Score
3.9

Impact Score
5.2

References

Reference URL	Reference Tags
https://github.com/SiliconLabs/gecko_sdk/blame/2e82050dc8823c9fe0e8908c1b2666fb83056230/platform/bootloader/core/btl_bootload.c
https://community.silabs.com/sfc/servlet.shepherd/document/download/0698Y00000Gdop4QAB?operationContext=S1

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2022-24936
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-24936

History

Created	Old Value	New Value	Data Type	Notes
2022-11-02 19:00:20				Added to TrackCVE
2022-12-07 17:20:33	2022-11-02T18:15Z	2022-11-02T18:15:10	CVE Published Date	updated
2022-12-07 17:20:33		2022-11-03T16:41:30	CVE Modified Date	updated
2022-12-07 17:20:33		Analyzed	Vulnerability Status	updated
2022-12-07 17:20:35			CPE Information	updated