Overview
The vulnerability termed as CVE-2025-48815 is a critical security flaw that affects Windows SSDP Service. This flaw arises due to the access of resources using an incompatible type, also known as ‘type confusion’. The exploitation of this vulnerability could potentially grant unauthorized users the capability to escalate their privileges locally. This poses a significant threat to any system, as it creates the potential for system compromise or data leakage. Given the widespread use of Windows, this vulnerability impacts a large number of systems and users worldwide.
Vulnerability Summary
CVE ID: CVE-2025-48815
Severity: High (7.8)
Attack Vector: Local
Privileges Required: Low
User Interaction: Required
Impact: Privilege Escalation, Potential System Compromise, and Data Leakage
Affected Products
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Product | Affected Versions
Windows SSDP Service | All versions prior to patch
How the Exploit Works
The exploit works by manipulating the type confusion vulnerability present in the Windows SSDP Service. An attacker with limited privileges on the system can make specific requests to the SSDP Service, causing it to access a resource using an incompatible type. This results in undefined behavior that the attacker can manipulate to elevate their privileges locally. The elevated privileges can then be used to compromise the system or leak data.
Conceptual Example Code
Here is a conceptual example of how the vulnerability might be exploited. This is a pseudocode representation, and it does not represent any specific programming language.
// Establish connection to SSDP service
service_connection = connect_to("Windows SSDP Service")
// Create data with incompatible type
malicious_data = create_data_with_incompatible_type()
// Send malicious data to SSDP service
result = service_connection.send(malicious_data)
// If the service does not handle the type confusion properly...
if result == UNDEFINED_BEHAVIOR:
// ...escalate privileges
escalate_privileges()
// Now the attacker has higher privileges and can compromise the system
compromise_system()
leak_data()This vulnerability is critical and should be addressed immediately. Users are advised to apply the vendor patch as soon as it is available. Until then, a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can be used as temporary mitigation.