Troubleshoot - by Hostrare
POODLE affects SSLv3 or version 3 of the Secure Sockets Layer protocol, which is used to encrypt traffic between a browser and a website or between a user’s email client and mail server. It’s not as serious as the current Heartbleed and Shellshock vulnerabilities, but POODLE could support an intruder to hijack and decrypt the session cookie that recognizes you to a service like Twitter or Google, and then take over your statements without requiring your description.
To utilize the vulnerability, you must be working javascript, and the criminal has to be on the related material as you—for example, on the same Starbucks Wi-Fi system you’re doing. This gives it less severe than an advance that can be managed remotely into any computer on the Internet.
The attack operates only on traffic gatherings using SSLv3. Heartbleed and Shellshock were vulnerabilities that helped an enemy to hack a server. POODLE preferably targets the customers. Google’s protection team has recommended that operations administrators simply turn off support for SSLv3 to avoid the difficulty.
Basically any client and server supporting SSL v3.
To fix POODLE SSLv3 Vulnerability.
WHM >> Service Configuration >> Apache Configuration >> Include Editor, and include the following in Pre Main Include
SSLHonorCipherOrder On
SSLProtocol -All +TLSv1 +TLSv1.1 +TLSv1.2
Press the Update button and rebuild your Apache configuration.
Restart Apache.
/etc/init.d/httpd restart
or
To disable SSLv3 on the Apache web server, you will have to adjust the SSLProtocol directive provided by the mod_ssl module. Root users can edit your Apache configuration file /etc/httpd/conf.d/ssl.conf and update following values like below after making changes restart Apache service.
SSLProtocol all -SSLv3 -SSLv2
Go to Nginx configuration, and change the line
ssl_protocols SSLv3 TLSv1 TLSv1.1 TLSv1.2;
to
ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
Restart Nginx.
/etc/init.d/nginx restart
LiteSpeed has released an update to version 4.2.17. You can force a reinstall by running this command:
# /usr/local/lsws/admin/misc/lsup.sh -f -v 4.2.17
WHM => Service Configuration => Apache Configuration => Include Editor => Pre Main Include.
#Select a version or All Versions.
#Add the following in the text box that appears:
SSLHonorCipherOrder On
SSLProtocol -All +TLSv1 +TLSv1.1 +TLSv1.2
#Press the Update button and rebuild your Apache configuration.
This will disable SSLv3.0 on your server running LiteSpeed.
To verify you’re covered, run the following command in a terminal as root:
openssl s_client -connect www.yourssldomain.com:443 -ssl3
WHM >> Service Configuration >> Exim Configuration Manager >> Advanced Editor, and change tls_require_ciphers to
ALL:-SSLv3:RC4:-SSLv2:!ADH:+HIGH:+MEDIUM:-LOW:-EXP
Restart Exim.
WHM >> Service Configuration >> Mailserver Configuration, and change SSL Cipher List to
ALL:-SSLv3:RC4:-SSLv2:!ADH:+HIGH:+MEDIUM:-LOW:-EXP
WHM >> Service Configuration >> FTP Server Configuration, and change the TLS Cipher Suite to
ALL:-SSLv2:!ADH:!aNULL:!eNULL:!EXPORT:!DSS:!DES:RC4-SHA:RC4-MD5:AES256-SHA:AES128-SHA:DES-CBC3-SHA
WHM >> Service Configuration >> cPanel Web Services Configuration, and change TLS/SSL Cipher List to
ALL:-SSLv2:!ADH:!aNULL:!eNULL:!EXPORT:!DSS:!DES:RC4-SHA:RC4-MD5:AES256-SHA:AES128-SHA:DES-CBC3-SHA
WHM >> Service Configuration >> cPanel Web Disk Configuration, and change TLS/SSL Cipher List to
ALL:-SSLv2:!ADH:!aNULL:!eNULL:!EXPORT:!DSS:!DES:RC4-SHA:RC4-MD5:AES256-SHA:AES128-SHA:DES-CBC3-SHA
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