CVE-2022-26529— 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，该漏洞源于对分段数据包的链接参数验证不足，存在缓冲区溢出漏洞，邻近网络中未经认证的攻击者可利用此漏洞造成缓冲区溢出并破坏服务。
Possible ATT&CK Techniques 3 AI
T1059 · Command and Scripting Interpreter T1210 · Exploitation of Remote Services T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2022-26529
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 segmented packets’ link parameter. An unauthenticated attacker in the adjacent network can exploit this vulnerability to cause buffer overflow and 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，该漏洞源于对分段数据包的链接参数验证不足，存在缓冲区溢出漏洞，邻近网络中未经认证的攻击者可利用此漏洞造成缓冲区溢出并破坏服务。
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-2022-26529
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2022-26529 (1)
-
https://www.twcert.org.tw/tw/cp-132-6459-09c82-1.html x_refsource_MISC
Same Patch Batch · Realtek · 2022-08-30 · 4 CVEs total
| CVE-2022-25635 | 6.5 MEDIUM | Realtek Linux/Android Bluetooth Mesh SDK - Buffer Overflow |
| 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 |
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