Mail and FTP server settings updated incorrectly by cPanel

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Hello interwebers!

Recently, we saw a number of issues regarding a failed cPanel upgrade that involved the Mail and FTP server. It looks like an incorrect value was updated in the cpanel.config file for the mail server and FTP server. In order to correct this:

1) Login to WHM
2) Change mail server to something other than what it is currently and then save
3) Change it back to the original mail server setting and save
4) Change FTP server to something other than what it is on and save
5) Change it back to original ftp server setting and save
6) Kick off /scripts/upcp in a screen on the server
7) ?????
8) PROFIT!!

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Install Cloudlinux in cPanel

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PREPARATION

  • Obtain the Cloud Linux License from manage2.cpanel.net
  • Obtain permission from the customer to reboot the server.
  •   

    In cPanel:

    /usr/local/cpanel/cpkeyclt
    /usr/local/cpanel/bin/cloudlinux_system_install -k

    ~Possible error: Might see "Yum error: Plugins are disabled".

    ~Add "plugins=1" to /etc/yum.conf and try again.
    echo "plugins=1" >> /etc/yum.conf that should do the trick

    shutdown -ar now

    ~When its back up rebuild apache.

    /usr/local/cpanel/scripts/easyapache --build

      
    3rd party license

    wget http://repo.cloudlinux.com/cloudlinux/sources/cln/cpanel2cl
    sh cpanel2cl -k $key
    ~Replace $key with your license key.
    reboot
    /scripts/easyapache --build

      

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    cPanel Exim Remote Code Execution Vulnerability Notification CVE-2012-5671

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    From cpanel.net

    Posted on October 26, 2012 by cPanel
      
    Summary

    A remote code execution vulnerability exists in Exim versions between 4.70 and 4.80, inclusive. Exim is the mail transfer agent used by cPanel & WHM.

    Security Rating
    This vulnerability has been rated as Critical [1] by the cPanel Security team.

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