Re: STARTTLS bug - background story

2011-03-08 Thread Wietse Venema
Victor Duchovni: > On Tue, Mar 08, 2011 at 12:59:15PM +1100, Brad Hards wrote: > > > On Tue, 8 Mar 2011 07:08:09 am Wietse Venema wrote: > > > This is a writeup about a flaw that I found recently, and that > > > existed in multiple implementations of SMTP (Simple Mail Transfer > > > Protocol) over

Re: STARTTLS bug - background story

2011-03-08 Thread Stan Hoeppner
Wietse Venema put forth on 3/7/2011 2:08 PM: > CERT/CC announces a flaw today in multiple STARTTLS implementations. > This problem was silently fixed in Postfix 2.8 and 2.9. Updates > for Postfix 2.[4-7] are made available via the usual channels. Nice catch Wietse! Normally I'd follow that with "

Re: STARTTLS bug - background story

2011-03-07 Thread Victor Duchovni
On Tue, Mar 08, 2011 at 12:59:15PM +1100, Brad Hards wrote: > On Tue, 8 Mar 2011 07:08:09 am Wietse Venema wrote: > > This is a writeup about a flaw that I found recently, and that > > existed in multiple implementations of SMTP (Simple Mail Transfer > > Protocol) over TLS (Transport Layer Securit

Re: STARTTLS bug - background story

2011-03-07 Thread Brad Hards
On Tue, 8 Mar 2011 07:08:09 am Wietse Venema wrote: > This is a writeup about a flaw that I found recently, and that > existed in multiple implementations of SMTP (Simple Mail Transfer > Protocol) over TLS (Transport Layer Security) including my Postfix > open source mailserver. I give an overview

STARTTLS bug - background story

2011-03-07 Thread Wietse Venema
CERT/CC announces a flaw today in multiple STARTTLS implementations. This problem was silently fixed in Postfix 2.8 and 2.9. Updates for Postfix 2.[4-7] are made available via the usual channels. Wietse Plaintext injection in multiple implementations of STARTTLS ==