Re: [Full-disclosure] MSIE7 browser entrapment vulnerability (probably Firefox, too)

2007-02-26 Thread Michal Zalewski
On Fri, 23 Feb 2007, Jeffrey Katz wrote: Just checked on IE 7.0.5730.11 -- doesn't exhibit problem. Most certainly does; you might have scripting disabled, or be experiencing some other anomaly, but for much of the population, the attack works as advertised on that version. /mz

Re: [Full-disclosure] MSIE7 browser entrapment vulnerability (probably Firefox, too)

2007-02-26 Thread Matt S
PoC successful on firefox 1.5.0.3 on linux along it didn't load the wormhole site, just left a blank page for any page browsed after your etrap. Wormhole site was seen on IE 7.0.5346.5 on xp ___ Full-Disclosure - We believe in it. Charter:

Re: [Full-disclosure] MSIE7 browser entrapment vulnerability (probably Firefox, too)

2007-02-24 Thread Jeffrey Katz
Just checked on IE 7.0.5730.11 -- doesn't exhibit problem. On Firefox 2.0.0.2 -- first blank page, then, if reloaded, your trapped in a wormhole page. ___ Full-Disclosure - We believe in it. Charter: http://lists.grok.org.uk/full-disclosure-charter.html

Re: [Full-disclosure] MSIE7 browser entrapment vulnerability (probably Firefox, too)

2007-02-23 Thread Michal Zalewski
On Fri, 23 Feb 2007, Michal Zalewski wrote: http://lcamtuf.coredump.cx/ietrap/ I accidentally left a portion of code used to test for the Firefox memory corruption / MSIE7 NULL ptr condition inside 'attack.js' for this page. This crashed the testcase for some users, instead of demonstrating

[Full-disclosure] MSIE7 browser entrapment vulnerability (probably Firefox, too)

2007-02-22 Thread Michal Zalewski
There is a cool combination-type vulnerability in MSIE7 that allows the attacker to: a) Trap the visitor in a Matrix-esque tarpit webpage that cannot be left by normal means (this is a known brain-damaged design of onUnload Javascript handlers), b) Spoof transitions between pages

Re: [Full-disclosure] MSIE7 browser entrapment vulnerability (probably Firefox, too)

2007-02-22 Thread KJKHyperion
Michal Zalewski wrote: Firefox isn't outright vulnerable to this problem, but judging from its behavior, it is likely to be susceptible to a variant of this bug (it exhibits the same behavior, but we end up with a corrupted page instead); Will you give Opera some love, too? Opera has always