Re: [Full-disclosure] Firefox onUnload + document.write() memory corruption vulnerability (MSIE7 null ptr)

2007-02-27 Thread Richard Moore
Michal Zalewski wrote: > I can't really comment on whether > this fixes the problem once and for all, because I haven't really examined > the changes implemented for 364692, but yeah, my example no longer crashes > the browser for me. I think there are still underlying problems in the code as th

Re: [Full-disclosure] Firefox onUnload + document.write() memory corruption vulnerability (MSIE7 null ptr)

2007-02-27 Thread Richard Moore
Resent as I realised I'm not subscribed here Michal Zalewski wrote: > I can't really comment on whether > this fixes the problem once and for all, because I haven't really examined > the changes implemented for 364692, but yeah, my example no longer crashes > the browser for me. I think there are

Re: [Full-disclosure] Firefox onUnload + document.write() memory corruption vulnerability (MSIE7 null ptr)

2007-02-27 Thread Michal Zalewski
On Tue, 27 Feb 2007, Richard Moore wrote: > > > http://slashdot.org/";>http://slashdot.org/ > > Yeah, and the other way round: http://lcamtuf.coredump.cx/ietrap/, when used with FF 2.0.0.2, puts you on a page that: 1) Has URL bar data and favicon from the target site, 2) Views source of

Re: [Full-disclosure] Firefox onUnload + document.write() memory corruption vulnerability (MSIE7 null ptr)

2007-02-25 Thread Michal Zalewski
On Sun, 25 Feb 2007, Stan Bubrouski wrote: >>> http://lcamtuf.coredump.cx/ietrap/testme.html >> This bug was fixed in 2.0.0.2, released Friday Feb 23. > No it most certainly wasn't, do your homework next time. Actually, the story is kinda funny, but yeah, it seems that it's fixed now. The stor

Re: [Full-disclosure] Firefox onUnload + document.write() memory corruption vulnerability (MSIE7 null ptr)

2007-02-25 Thread Paul Schmehl
--On February 25, 2007 8:44:45 PM +0200 Ismail Dönmez <[EMAIL PROTECTED]> wrote: On Sunday 25 February 2007 20:27:19 Stan Bubrouski wrote: The test on that page still puts my 2.0.0.2 in a completely unusable state, try it yourself and let me know what happens. Doesn't crash here on Linux, I

Re: [Full-disclosure] Firefox onUnload + document.write() memory corruption vulnerability (MSIE7 null ptr)

2007-02-25 Thread Stan Bubrouski
I can't say the same it shoots my CPU up to 100% and is completely unresponsive on win2k sp4. On 2/25/07, Ismail Dönmez <[EMAIL PROTECTED]> wrote: > On Sunday 25 February 2007 20:27:19 Stan Bubrouski wrote: > > The test on that page still puts my 2.0.0.2 in a completely unusable > > state, try it

Re: [Full-disclosure] Firefox onUnload + document.write() memory corruption vulnerability (MSIE7 null ptr)

2007-02-25 Thread Ismail Dönmez
On Sunday 25 February 2007 20:47:22 Stan Bubrouski wrote: > I can't say the same it shoots my CPU up to 100% and is completely > unresponsive on win2k sp4. If it doesn't crash the original vulnerability no longer exists, there are many sites on the web that will freeze your Firefox and chew up al

Re: [Full-disclosure] Firefox onUnload + document.write() memory corruption vulnerability (MSIE7 null ptr)

2007-02-25 Thread Ismail Dönmez
On Sunday 25 February 2007 20:27:19 Stan Bubrouski wrote: > The test on that page still puts my 2.0.0.2 in a completely unusable > state, try it yourself and let me know what happens. Doesn't crash here on Linux, I just see http://slashdot.org in URL bar and empty page below, so I can confirm 2.0

Re: [Full-disclosure] Firefox onUnload + document.write() memory corruption vulnerability (MSIE7 null ptr)

2007-02-25 Thread Stan Bubrouski
The test on that page still puts my 2.0.0.2 in a completely unusable state, try it yourself and let me know what happens. -sb On 2/25/07, Ismail Dönmez <[EMAIL PROTECTED]> wrote: > On Sunday 25 February 2007 18:57:47 Stan Bubrouski wrote: > > On 2/25/07, Daniel Veditz <[EMAIL PROTECTED]> wrote: >

Re: [Full-disclosure] Firefox onUnload + document.write() memory corruption vulnerability (MSIE7 null ptr)

2007-02-25 Thread Ismail Dönmez
On Sunday 25 February 2007 18:57:47 Stan Bubrouski wrote: > On 2/25/07, Daniel Veditz <[EMAIL PROTECTED]> wrote: > > Michal Zalewski wrote: > > > A quick test case that crashes while trying to follow partly > > > user-dependent corrupted pointers near valid memory regions (can be > > > forced to wr

Re: [Full-disclosure] Firefox onUnload + document.write() memory corruption vulnerability (MSIE7 null ptr)

2007-02-25 Thread Stan Bubrouski
On 2/25/07, Daniel Veditz <[EMAIL PROTECTED]> wrote: > Michal Zalewski wrote: > > A quick test case that crashes while trying to follow partly > > user-dependent corrupted pointers near valid memory regions (can be forced > > to write, too): > > > > http://lcamtuf.coredump.cx/ietrap/testme.html >

Re: [Full-disclosure] Firefox onUnload + document.write() memory corruption vulnerability (MSIE7 null ptr)

2007-02-25 Thread Daniel Veditz
Michal Zalewski wrote: > A quick test case that crashes while trying to follow partly > user-dependent corrupted pointers near valid memory regions (can be forced > to write, too): > > http://lcamtuf.coredump.cx/ietrap/testme.html > > Firefox problem is being tracked here: > https://bugzilla.

[Full-disclosure] Firefox onUnload + document.write() memory corruption vulnerability (MSIE7 null ptr)

2007-02-22 Thread Michal Zalewski
While researching my previous report on MSIE7 browser entrapment, I noticed that Firefox is susceptible to a pretty nasty, and apparently easily exploitable memory corruption vulnerability. When a location transition occurs and the structure of a document is modified from within onUnload event hand