CVE-2022-25635— Realtek Linux/Android Bluetooth Mesh SDK - Buffer Overflow
Quick assessment
Affected
Realtek Linux/Android Bluetooth Mesh SDK
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.
Realtek Linux/Android Bluetooth Mesh SDK是中国瑞昱半导体（Realtek）公司的一个蓝牙网状网络软件开发套件。 Realtek Linux/Android Bluetooth Mesh SDK v4.18-4.18-20220218 之前版本存在安全漏洞，该漏洞源于广播网络数据包长度验证不足，存在缓冲区溢出漏洞，相邻网络中未经身份验证的攻击者可以利用此漏洞中断服务。
Possible ATT&CK Techniques 1 AI
T1498 · Network Denial of Service
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I. Basic Information for CVE-2022-25635
Vulnerability Information
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Vulnerability Title
Realtek Linux/Android Bluetooth Mesh SDK - Buffer Overflow
Source: CVE Program / CVE List V5
Vulnerability Description
Realtek Linux/Android Bluetooth Mesh SDK has a buffer overflow vulnerability due to insufficient validation for broadcast network packet length. An unauthenticated attacker in the adjacent network can exploit this vulnerability to disrupt service.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/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
Realtek Linux/Android Bluetooth Mesh SDK 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Realtek Linux/Android Bluetooth Mesh SDK是中国瑞昱半导体（Realtek）公司的一个蓝牙网状网络软件开发套件。 Realtek Linux/Android Bluetooth Mesh SDK v4.18-4.18-20220218 之前版本存在安全漏洞，该漏洞源于广播网络数据包长度验证不足，存在缓冲区溢出漏洞，相邻网络中未经身份验证的攻击者可以利用此漏洞中断服务。
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 |
|---|---|---|---|---|
| Realtek | Linux/Android Bluetooth Mesh SDK | unspecified ~ 4.17-4.17-20220127 | - |
|
II. Public POCs for CVE-2022-25635
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2022-25635 (1)
-
https://www.twcert.org.tw/tw/cp-132-6456-fc6c5-1.html x_refsource_MISC
Same Patch Batch · Realtek · 2022-08-30 · 4 CVEs total
| CVE-2022-26527 | 6.5 MEDIUM | Realtek Linux/Android Bluetooth Mesh SDK - Buffer Overflow |
| CVE-2022-26528 | 6.5 MEDIUM | Realtek Linux/Android Bluetooth Mesh SDK - Buffer Overflow |
| CVE-2022-26529 | 6.5 MEDIUM | Realtek Linux/Android Bluetooth Mesh SDK - Buffer Overflow |
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V. Comments for CVE-2022-25635
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