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CVE-2023-39540

Quick assessment

Affected
Silicon Labs Gecko Platform
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.

Weston Embedded uC-TCP-IP是Weston Embedded公司的一个面向嵌入式系统的 TCP/IP 协议栈。 Weston Embedded uC-TCP-IP v3.06.01 版本存在安全漏洞，该漏洞源于 ICMP 和 ICMPv6 解析功能中存在拒绝服务漏洞。

CVSS 5.9 · Medium EPSS 0.81% · P55

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2023-39540

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A denial of service vulnerability exists in the ICMP and ICMPv6 parsing functionality of Weston Embedded uC-TCP-IP v3.06.01. A specially crafted network packet can lead to an out-of-bounds read. An attacker can send a malicious packet to trigger this vulnerability.This vulnerability concerns a denial of service within the parsing an IPv4 ICMP packet.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
缓冲区上溢读取
Source: CVE Program / CVE List V5
Vulnerability Title
Weston Embedded uC-TCP-IP 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Weston Embedded uC-TCP-IP是Weston Embedded公司的一个面向嵌入式系统的 TCP/IP 协议栈。 Weston Embedded uC-TCP-IP v3.06.01 版本存在安全漏洞，该漏洞源于 ICMP 和 ICMPv6 解析功能中存在拒绝服务漏洞。
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 Platform 4.3.1.0 -
Weston Embedded uC-TCP-IP v3.06.01 -

II. Public POCs for CVE-2023-39540

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III. Intelligence Information for CVE-2023-39540

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Other References for CVE-2023-39540 (1)

Same Patch Batch · Silicon Labs · 2024-02-20 · 3 CVEs total

CVE-2023-45318 10.0 CRITICAL Weston Embedded uC-HTTP 安全漏洞
CVE-2023-39541 5.9 MEDIUM Weston Embedded uC-TCP-IP 安全漏洞

IV. Related Vulnerabilities

Same product: Gecko Platform
Same vendor: Silicon Labs
Same weakness: CWE-126

V. Comments for CVE-2023-39540

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