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CVE-2023-4041— Second Stage Gecko Bootloader GBL Parser Buffer Overrun Vulnerability

Quick assessment

Affected
Silicon Labs Gecko Bootloader
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Silicon Labs Gecko Bootloader是美国芯科科技（Silicon Labs）公司的一个引导加载程序。 Silicon Labs Gecko Bootloader存在安全漏洞，该漏洞源于不检查输入大小，导致缓冲区溢出、越界写入等。

CVSS 9.8 · Critical EPSS 0.40% · P32
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I. Basic Information for CVE-2023-4041

Vulnerability Information
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Vulnerability Title
Second Stage Gecko Bootloader GBL Parser Buffer Overrun Vulnerability
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
Source: CVE Program / CVE List V5
Vulnerability Title
Silicon Labs Gecko Bootloader 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Silicon Labs Gecko Bootloader是美国芯科科技（Silicon Labs）公司的一个引导加载程序。 Silicon Labs Gecko Bootloader存在安全漏洞，该漏洞源于不检查输入大小，导致缓冲区溢出、越界写入等。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Silicon Labs Gecko Bootloader 0 ~ 4.3.1 -

II. Public POCs for CVE-2023-4041

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III. Intelligence Information for CVE-2023-4041

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Other References for CVE-2023-4041 (1)

IV. Related Vulnerabilities

Same product: Gecko Bootloader
Same vendor: Silicon Labs
Same weakness: CWE-120

V. Comments for CVE-2023-4041

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