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Ethical Hacking Discussions and Related Certifications => Malware => Topic started by: cd1zz on September 20, 2011, 11:44:09 PM



Title: Major blow to TLS 1.0
Post by: cd1zz on September 20, 2011, 11:44:09 PM
If you didn't see this, it's pretty interesting.

http://www.theregister.co.uk/2011/09/19/beast_exploits_paypal_ssl/



Title: Re: Major blow to TLS 1.0
Post by: lorddicranius on September 21, 2011, 12:04:55 AM
I didn't know about TLS 1.1/1.2 prior to reading that article.  My question: why isn't a newer version of the technology being used?  I guess I'm curious as to what the changes are in 1.1/1.2 compared to 1.0.  Were they just performance updates that people didn't think were worth using?  And since there wasn't any security issues, they didn't see a NEED to use the newer versions?


Title: Re: Major blow to TLS 1.0
Post by: cd1zz on September 21, 2011, 08:47:52 AM
Looks like a number of crypto advances in 1.1 and 1.2
http://en.wikipedia.org/wiki/Transport_Layer_Security#TLS_1.1_.28SSL_3.2.29

A few people in here try to shed some light on why its not supported in Chrome:
http://www.google.com/support/forum/p/Chrome/thread?tid=0539619c98f85cbb&hl=en

However, IIS 7.5 and >IE8 in Win 7 support TLS 1.2


Title: Re: Major blow to TLS 1.0
Post by: alucian on September 21, 2011, 08:28:54 PM
If this is true we are in a big s**t.

You can't convince the C*O of a bank (for example) that is better to upset a lot of customers than to put them at risk.

I wait to see what will happen Friday.


Title: Re: Major blow to TLS 1.0
Post by: tturner on September 27, 2011, 02:33:28 PM
This story is somewhat FUD worthy as it requires an XSS vuln on the site in question. Lots of those out there to be sure and definitely a risk to address, but it's not a free pass to pwn any TLS 1.0 site.


Title: Re: Major blow to TLS 1.0
Post by: lorddicranius on September 30, 2011, 11:38:58 AM
Looks like a number of crypto advances in 1.1 and 1.2
http://en.wikipedia.org/wiki/Transport_Layer_Security#TLS_1.1_.28SSL_3.2.29

A few people in here try to shed some light on why its not supported in Chrome:
http://www.google.com/support/forum/p/Chrome/thread?tid=0539619c98f85cbb&hl=en

However, IIS 7.5 and >IE8 in Win 7 support TLS 1.2

Thanks for those links, cd1zz.

For the curious (should be all of us, right? :P), a video demonstrating BEAST at work: http://www.youtube.com/watch?v=BTqAIDVUvrU