Rabu, 16 Mei 2012

[Cpanel Blog] PCI Complianc with SecurityMetrics - Weak Ciphers May,2012

Hi,

I'm been having a hard time with passing a securitymetics scan.
The problem seems to be related to ports 443 and port 465 supporting weak ciphers.

I have followed all the recommendations to disable ss2 and low and medium ciphers for exim and openSSL.

However, securitymetrics techs just emailed me the following:

Any idea please!
----------------------------------------------------------------------------------------
Here is the list of SSL ciphers supported by the remote server Host

Low Strength Ciphers (< 56-bit key)
TLSv1
EXP-EDH-RSA-DES-CBC-SHA Kx=DH(512) Au=RSA Enc=DES(40) Mac=SHA1 export
EXP-DES-CBC-SHA Kx=RSA(512) Au=RSA Enc=DES(40) Mac=SHA1 export
EXP-RC2-CBC-MD5 Kx=RSA(512) Au=RSA Enc=RC2(40) Mac=MD5 export
EXP-RC4-MD5 Kx=RSA(512) Au=RSA Enc=RC4(40) Mac=MD5 export

High Strength Ciphers (>= 112-bit key)
TLSv1
EDH-RSA-DES-CBC3-SHA Kx=DH Au=RSA Enc=3DES(168) Mac=SHA1
DHE-RSA-AES128-SHA Kx=DH Au=RSA Enc=AES(128) Mac=SHA1
DHE-RSA-AES256-SHA Kx=DH Au=RSA Enc=AES(256) Mac=SHA1
DES-CBC3-SHA Kx=RSA Au=RSA Enc=3DES(168) Mac=SHA1
AES128-SHA Kx=RSA Au=RSA Enc=AES(128) Mac=SHA1
AES256-SHA Kx=RSA Au=RSA Enc=AES(256) Mac=SHA1
==========================================================================
Once these ciphers have been disabled a new scan should be ran to remove the issues.
--------------------------------------------------------------------------------------------------------------



Here's what I got from my server:
root@dipel [/home/user]# openssl ciphers
Code: DHE-RSA-AES256-SHA:DHE-DSS-AES256-SHA:AES256-SHA:KRB5-DES-CBC3-MD5:KRB5-DES-CBC3-SHA:EDH-RSA-DES-CBC3-SHA:EDH-DSS-DES-CBC3-SHA:DES-CBC3-SHA:DES-CBC3-MD5:DHE-RSA-AES128-SHA:DHE-DSS-AES128-SHA:AES128-SHA:RC2-CBC-MD5:KRB5-RC4-MD5:KRB5-RC4-SHA:RC4-SHA:RC4-MD5:RC4-MD5:KRB5-DES-CBC-MD5:KRB5-DES-CBC-SHA:EDH-RSA-DES-CBC-SHA:EDH-DSS-DES-CBC-SHA:DES-CBC-SHA:DES-CBC-MD5:EXP-KRB5-RC2-CBC-MD5:EXP-KRB5-DES-CBC-MD5:EXP-KRB5-RC2-CBC-SHA:EXP-KRB5-DES-CBC-SHA:EXP-EDH-RSA-DES-CBC-SHA:EXP-EDH-DSS-DES-CBC-SHA:EXP-DES-CBC-SHA:EXP-RC2-CBC-MD5:EXP-RC2-CBC-MD5:EXP-KRB5-RC4-MD5:EXP-KRB5-RC4-SHA:EXP-RC4-MD5:EXP-RC4-MD5
PCI Complianc with SecurityMetrics - Weak Ciphers
Cpanel Blog PHP 5.3.12 Security Vulnerability Patch May,2012

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