CVE-2023-4041

Second Stage Gecko Bootloader GBL Parser Buffer Overrun Vulnerability

Published Aug 23, 2023 CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed

Description

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow'), Out-of-bounds Write, Download of Code Without Integrity Check vulnerability in Silicon Labs Gecko Bootloader on ARM (Firmware Update File Parser modules) allows Code Injection, Authentication Bypass.This issue affects "Standalone" and "Application" versions of Gecko Bootloader.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Silicon Labs

Gecko Bootloader

affected

Version	Status	Constraints
`0`	affected	< 4.3.1
`0`	affected	< 4.2.4
`4.3.2`	unaffected	—
`4.2.4`	unaffected	—

Configuration 1 [-]

OR	cpe:2.3:a:silabs:gecko_bootloader:::::::arm:*
	cpe:2.3:a:silabs:gecko_bootloader:::::::arm:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Advisories

Source	ID	Title
EUVD	EUVD-2023-53933	Buffer Copy without Checking Size of Input ('Classic Buffer Overflow'), Out-of-bounds Write, Download of Code Without Integrity Check vulnerability in Silicon Labs Gecko Bootloader on ARM (Firmware Update File Parser modules) allows Code Injection, Authentication Bypass.This issue affects "Standalone" and "Application" versions of Gecko Bootloader.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.398% probability within 30 days)

Exploitation none

Automatable yes

Technical Impact total

References

Link	Providers
https://siliconlabs.lightning.force.com/sfc/servlet.shepherd/document/download/0698Y00000XT8GsQAL?operationContext=S1

History

Oct 3, 2024 2:30 PM Affected versions updated. Scoring metrics updated View changes

Type	Values Removed	Values Added
CPEs		cpe:2.3:a:silabs:gecko_bootloader::::::::
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Sep 25, 2024 4:30 PM Description updated. Weaknesses updated View changes

Type	Values Removed	Values Added
Description	Buffer Copy without Checking Size of Input ('Classic Buffer Overflow'), Out-of-bounds Write, Download of Code Without Integrity Check vulnerability in Silicon Labs Gecko Bootloader on ARM (Firmware Update File Parser modules) allows Code Injection, Authentication Bypass.This issue affects "Standalone" and "Application" versions of Gecko Bootloader.	Buffer Copy without Checking Size of Input ('Classic Buffer Overflow'), Out-of-bounds Write, Download of Code Without Integrity Check vulnerability in Silicon Labs Gecko Bootloader on ARM (Firmware Update File Parser modules) allows Code Injection, Authentication Bypass.This issue affects "Standalone" and "Application" versions of Gecko Bootloader.
Weaknesses		CWE-913