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CVE-2025-22403: Remote Code Execution Vulnerability in sdp_discovery.cc

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Overview

The Common Vulnerabilities and Exposures (CVE) system has identified a significant vulnerability, labeled CVE-2025-22403, within sdp_discovery.cc. This vulnerability presents a potential hazard to systems and data integrity, as it allows remote code execution without requiring any user interaction. This could potentially lead to a severe compromise of system security or even data leakage. The vulnerability is of significant concern to any system or application that utilizes the sdp_discovery.cc.

Vulnerability Summary

CVE ID: CVE-2025-22403
Severity: Critical – CVSS Score 9.8
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: Remote code execution leading to potential system compromise or data leakage

Affected Products

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Product | Affected Versions

Bluetooth Stack | All versions prior to patch
SDP | All versions prior to patch

How the Exploit Works

The vulnerability lies in the sdp_snd_service_search_req function of sdp_discovery.cc, where a ‘use after free’ error allows for potential remote code execution. Essentially, an attacker can send maliciously crafted packets to the vulnerable system, which the function then processes. The ‘use after free’ error occurs when the function continues to utilize memory space after it has been freed, and this space could now contain malicious code. The error can lead to arbitrary code execution, as the system continues to execute instructions from this memory space.

Conceptual Example Code

This is a conceptual example of how the vulnerability might be exploited:

POST /sdp_snd_service_search_req HTTP/1.1
Host: target.example.com
Content-Type: application/sdp
{ "malicious_payload": "..." }

In this example, the attacker sends a POST request to the vulnerable endpoint with a malicious payload embedded within. The payload includes the code that takes advantage of the ‘use after free’ error to execute arbitrary commands.

Mitigation

The recommended mitigation for this vulnerability is to apply the patch provided by the vendor as soon as it becomes available. In the meantime, a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can be used as temporary mitigation. These systems should be configured to detect and block any suspicious traffic patterns that resemble an exploit attempt on this vulnerability.

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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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