Re: [Pound Mailing List] Crime vulnerability on 2.7f upstream

Miroslav Danek <[email protected]>
Newsgroups gmane.comp.web.pound.general
Message-ID <[email protected]>
Hi Rick, 

i used this one:

Disable SSLv3
SSLAllowClientRenegotiation 0
SSLHonorCipherOrder 1
Ciphers "HIGH:!aNULL:!SSLv2:!ADH:!EXP:!eNULL:!RC4:MEDIUM:!LOW"

Result A with FS. 

regards
Mirek

> On 10. 7. 2015, at 9:07, Scott McKeown <scott-Oteo70RhwZ77w/[email protected]> wrote:
> 
> Hi Rick,
> 
> Your current Cipher list is very open if you can give this one a go and let us know the report status (we get an A- with no FS)
> 
> EECDH+ECDSA+AESGCM:EECDH+ECDSA+SHA384:EECDH+ECDSA+SHA256:ECDH+AESGCM:ECDH+AES256:ECDH+AES128:ECDH+3DES:RSA+AESGCM:RSA+AES:RSA+3DES:!eNULL:!LOW:!aNULL:!MD5:!DSS
> 
> If you could also post a sanitised copy of your pound config file we can see what we can do for you.
> 
> 
> 
> 
> On 9 July 2015 at 22:55, Rick Smith <[email protected] <mailto:[email protected]>> wrote:
> I am running Pound 2.7f from https://github.com/goochjj/pound/archive/stage_for_upstream/v2.7f.zip <https://github.com/goochjj/pound/archive/stage_for_upstream/v2.7f.zip> 
> 
> I am also running openssl version 1.01p from Jul 9, 2015.
> 
> I am trying to achieve a better ranking for our SSL support.
> 
> I have been able to move up to a C rating but for some reason here are my results.
> 
> I am using the following ciphers: RC4-SHA:HIGH:!ADH:!SSLv2:!AES
> I enabled the Disable SSLv3 directive and I have the following also enabled for the listener:
> 
> SSLAllowClientRenegotiation     0
> SSLHonorCipherOrder 1
> 
> This is after much trial and error.  I thought that this upstream version disabled TLS compression but it appears to still be active.
> 
> Questions:
> 
> 1)  How can I disable TLS compression?
> 2)  Can I enable TLS 1.1 and 1.2?
> 3)  How can I disable support for weak DH key exchanges?
> 4)  WHy isn't PFS enabled?  I assume the ciphers need fixing?
> 
> Thanks,
> 
> Rick
> 
> 
> This server supports weak Diffie-Hellman (DH) key exchange parameters. Grade capped to B.   MORE INFO » <https://weakdh.org/>
> This server does not mitigate the CRIME attack <https://community.qualys.com/blogs/securitylabs/2012/09/14/crime-information-leakage-attack-against-ssltls>. Grade capped to C.
> The server supports only older protocols, but not the current best TLS 1.2. Grade capped to C.  MORE INFO » <https://community.qualys.com/blogs/securitylabs/2015/05/22/ssl-labs-increased-penalty-when-tls-12-is-not-supported>
> This server accepts the RC4 cipher, which is weak. Grade capped to B.  MORE INFO » <https://community.qualys.com/blogs/securitylabs/2013/03/19/rc4-in-tls-is-broken-now-what>
> The server does not support Forward Secrecy with the reference browsers.  MORE INFO » <https://en.wikipedia.org/wiki/Forward_secrecy>
> 
> 
> -- 
> With Kind Regards.
> 
> Scott McKeown
> Loadbalancer.org
> http://www.loadbalancer.org <http://www.loadbalancer.org/>
> Tel (UK) - +44 (0) 3303801064 (24x7)
> Tel (US) - +1 888.867.9504 (Toll Free)(24x7)
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