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  •  flint
      flint
SSL/TLS MITM attack
#1
Newbie
Joined: 2009/11/6
From
Posts: 2
there is a bug in the tls protocol that allows a mitm attack:

http://extendedsubset.com/?p=8

there is an updated openssl tarball that was put yesterday on openssl.org;

http://www.openssl.org/source/openssl-0.9.8l.tar.gz

is there any updated rpm from Centos ?

(i think that NSS lib will be updated aswell, as it not an implementation bug, but a protocol bug).

the protocol correction draft :
https://svn.resiprocate.org/rep/ietf-drafts/ekr/draft-rescorla-tls-renegotiate.txt
Posted on: 2009/11/6 9:36
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  •  pschaff
      pschaff
Re: SSL/TLS MITM attack
#2
Moderator
Joined: 2006/12/13
From Tidewater Virginia, North America
Posts: 3404
The last upstream (and thus CentOS) openssl release was http://rhn.redhat.com/errata/RHSA-2009-1335.html

Is your issue addressed by the bug fixes described there?
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Posted on: 2009/11/6 14:48
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  •  TrevorH
      TrevorH
Re: SSL/TLS MITM attack
#3
Regular Board Member
Joined: 2009/9/24
From Brighton, UK
Posts: 79
I suspect that he's talking about the brand new, yet to be patched vulnerability that The Register reported on the other day. http://www.theregister.co.uk/2009/11/05/serious_ssl_bug/
Posted on: 2009/11/7 2:07
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  •  flint
      flint
Re: SSL/TLS MITM attack
#4
Newbie
Joined: 2009/11/6
From
Posts: 2
Quote:

TrevorH wrote:
I suspect that he's talking about the brand new, yet to be patched vulnerability that The Register reported on the other day. http://www.theregister.co.uk/2009/11/05/serious_ssl_bug/


yes this is this one.

here's the redhat bugzilla entry:

https://bugzilla.redhat.com/show_bug.cgi?id=533125
Posted on: 2009/11/9 8:56
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