Overview
CVE-2025-50176 represents a critical vulnerability where an authorized attacker can leverage type confusion in the Graphics Kernel to execute code locally. This flaw can result in a full system compromise or even data leakage, making it a significant threat to any organization. Given the high CVSS Severity Score of 7.8, it is crucial for stakeholders to understand, detect, and mitigate this vulnerability promptly to protect their digital assets.
Vulnerability Summary
CVE ID: CVE-2025-50176
Severity: High (CVSS: 7.8)
Attack Vector: Local
Privileges Required: Low
User Interaction: Required
Impact: Potential system compromise or data leakage
Affected Products
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Product | Affected Versions
Graphics Kernel | All versions prior to 2025 release
How the Exploit Works
The exploit takes advantage of a type confusion vulnerability present in the Graphics Kernel. An attacker with authorized access can manipulate the system by using an incompatible type to access a resource. This could potentially lead to the execution of unauthorized code, leading to a system compromise or even data leakage. This type of vulnerability is often found in programming languages that are statically typed.
Conceptual Example Code
The following conceptual code block demonstrates how an attacker might exploit this vulnerability:
#include <stdio.h>
#include "graphics_kernel.h"
int main() {
kernel_object *obj = create_kernel_object();
long *fake_object = malloc(sizeof(long) * 10);
// The attacker sets up the fake object
fake_object[0] = (long)&evil_function;
// The attacker triggers the type confusion
obj->vtable = fake_object;
// The victim program continues to use obj, not knowing it has been tampered with
use_kernel_object(obj);
return 0;
}In this conceptual example, the attacker creates a ‘fake_object’ that points to an ‘evil_function’. By invoking ‘use_kernel_object’, the program unknowingly executes the malicious code, leading to a potential system compromise or data leakage.
Countermeasures
To mitigate this vulnerability, it is recommended to apply the vendor patch as soon as it becomes available. Until then, using a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) can serve as temporary mitigation. These systems can detect and block suspicious activities, reducing the risk of a successful exploit. Moreover, regular audits and code reviews can help in identifying such vulnerabilities in the early stages, preventing potential exploits.
