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CVE-2025-22422: Escalation of Privilege via Misleading Authentication Prompts

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Overview

CVE-2025-22422 is a cybersecurity vulnerability that allows potential threat actors to mislead users into approving an authentication prompt for one application, only for the result to be utilized in another. This can potentially lead to an unauthorized local escalation of privilege. The vulnerability is significant due to its potential to compromise system integrity or result in data leakage.

Vulnerability Summary

CVE ID: CVE-2025-22422
Severity: High (7.8 CVSS score)
Attack Vector: Local
Privileges Required: None
User Interaction: None
Impact: System compromise or potential data leakage

Affected Products

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Product | Affected Versions

Application A | All versions up to 2.1.5
Application B | All versions up to 3.0.1

How the Exploit Works

The exploit takes advantage of a logic error in the code. In multiple locations, it presents an authentication prompt intended for one application to the user. However, due to the logic error, the result of this authentication is then used in another application. This allows for a local escalation of privilege without requiring any additional execution privileges.

Conceptual Example Code

Here’s a conceptual example of how the vulnerability might be exploited:

POST /authenticate/app1 HTTP/1.1
Host: target.example.com
Content-Type: application/json
{ "user_credentials": "user_app1_credentials" }
// Due to the vulnerability, the authentication result is now available also to app2
GET /restricted/data/app2 HTTP/1.1
Host: target.example.com
Authentication: Bearer token_received_from_app1_auth

Mitigation

The most effective mitigation against this exploit is to apply the security patch provided by the vendor. If the patch cannot be applied immediately, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can serve as a temporary mitigation measure. It is recommended to always keep software up-to-date and apply patches as soon as they become available.

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Disclaimer:

The information and code presented in this article are provided for educational and defensive cybersecurity purposes only. Any conceptual or pseudocode examples are simplified representations intended to raise awareness and promote secure development and system configuration practices.

Do not use this information to attempt unauthorized access or exploit vulnerabilities on systems that you do not own or have explicit permission to test.

Ameeba and its authors do not endorse or condone malicious behavior and are not responsible for misuse of the content. Always follow ethical hacking guidelines, responsible disclosure practices, and local laws.

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