CVE-2023-42134
Quick assessment
Affected
PAX Technology POS terminals
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.
PAX Technology A920是中国百富环球（PAX Technology）公司的一款 Android 移动支付终端。 PAX Technology A920 PayDroid_8.1.0_Sagittarius_V11.1.45_20230314 及之前版本存在安全漏洞，该漏洞源于允许覆盖签名分区，攻击者利用该漏洞可以通过 fastboot 中的 kernel参数注入，以 root 身份执行本地代码。
Possible ATT&CK Techniques 1 AI
T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2023-42134
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
PAX Android based POS devices with PayDroid_8.1.0_Sagittarius_V11.1.45_20230314 or earlier can allow the signed partition overwrite and subsequently local code execution via hidden command.
The attacker must have physical USB access to the device in order to exploit this vulnerability.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
隐藏功能
Source: CVE Program / CVE List V5
Vulnerability Title
PAX Technology A920 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
PAX Technology A920是中国百富环球（PAX Technology）公司的一款 Android 移动支付终端。 PAX Technology A920 PayDroid_8.1.0_Sagittarius_V11.1.45_20230314 及之前版本存在安全漏洞，该漏洞源于允许覆盖签名分区，攻击者利用该漏洞可以通过 fastboot 中的 kernel参数注入，以 root 身份执行本地代码。
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 |
|---|---|---|---|---|
| PAX Technology | POS terminals | 0 ~ 11.1.45_20230314 | - |
|
II. Public POCs for CVE-2023-42134
| # | POC Description | Source Link | Shenlong Link |
|---|
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Security Blog Posts for CVE-2023-42134 (3)
-
https://cert.pl/posts/2024/01/CVE-2023-4818/ third-party-advisory
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Android-based PAX POS vulnerabilities (Part 1) - STM Cyber Blog technical-description
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https://cert.pl/en/posts/2024/01/CVE-2023-4818/ third-party-advisory
Other References for CVE-2023-42134 (1)
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https://ppn.paxengine.com/release/development vendor-advisory
Same Patch Batch · PAX Technology · 2024-01-15 · 5 CVEs total
| CVE-2023-42136 | 7.8 HIGH | PAX Technology Android based POS 安全漏洞 |
| CVE-2023-42137 | 7.8 HIGH | PAX Technology Android based POS 后置链接漏洞 |
| CVE-2023-42135 | 6.8 MEDIUM | PAX Technology A920 安全漏洞 |
| CVE-2023-4818 | PAX Technology A920 注入漏洞 |
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Same weakness: CWE-912
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V. Comments for CVE-2023-42134
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