CVE-2025-46018 PoC — Opay Mobile application 安全漏洞

Description

Disclosure of CVE-2025-46018: A Bluetooth-based payment bypass vulnerability in CSC Pay Mobile App v2.19.4"

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# CVE-2025-46018 – CSC Pay Mobile App Payment Authentication Bypass

## Summary

A **payment authentication bypass vulnerability** was discovered in the CSC Pay Mobile App, affecting version **2.19.4**. The flaw allowed an attacker to initiate a payment, disable Bluetooth at a specific point in the process, and activate a laundry machine **without being charged**.

This issue has been responsibly disclosed and is now tracked as **CVE-2025-46018**.

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## Affected Product

- **Product**: CSC Pay Mobile App  
- **Version**: 2.19.4 (fixed in version 2.20.0)  
- **Component**: Bluetooth payment authentication module  
- **Vendor**: CSC ServiceWorks

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## Vulnerability Type

- CWE-284: Improper Access Control  
- CVSS (estimated): Medium severity  
- Exploit type: Local – requires proximity to the machine

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## Attack Vector (High-Level)

1. The attacker initiates a payment via the mobile app and scans the QR code on a laundry machine.
2. Before the app completes Bluetooth authentication and charges the user, Bluetooth is intentionally disabled.
3. The machine starts the cycle despite no transaction being completed.

**Impact**: Unauthorized use of machines without payment, potential revenue loss, and abuse in public/shared environments.

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## Timeline

| Date            | Event                                      |
|-----------------|--------------------------------------------|
| April 13, 2025  | Vulnerability discovered                   |
| April 16, 2025  | Reported to CSC ServiceWorks               |
| June 4, 2025    | CVE-2025-46018 assigned by MITRE           |
| July 2025       | Vendor acknowledged issue fixed            |
| Version 2.20.0  | Issue resolved in app update               |

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## Acknowledgment

**Discoverer**: Niranjan Gaire  
- [CSC ServiceWorks Security Hall of Fame](https://www.cscsw.com/disclosure-process/)  
- [MITRE CVE Record – CVE-2025-46018](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-46018) 

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## Disclaimer

This repository is for documentation and responsible disclosure purposes only.  
**No exploit code or reproduction steps will be shared publicly.**

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