Update 6 Feb @ 19:25:

An updated version of mod_lspai has been released that resolves the problems encountered last month. The below directions are retained for historical purposes only and should not be followed in the future.

Update 9 Jan @ 19:53:

This release included the new ea-apache24-mod_lsapi package, which caused a problem for some customers that use CloudLinux. We have removed that package from our repo and will be working with the team at CloudLinux to ensure the problem does not reoccur. If your server was impacted by this problem, please run these commands:

yum remove ea-apache24-mod_lsapi ea-liblsapi

yum reinstall liblsapi

yum install ea-apache24-mod_lsapi

If you have further problems, please do reach out to your hosting provider, or to our technical support team.

SUMMARY

cPanel, L.L.C. has updated RPMs for EasyApache 4 with Ruby version 2.4.5. This release addresses vulnerabilities related to CVE-2018-16396 and CVE-2018-16395. We strongly encourage all Ruby users to update to version 2.4.5.

AFFECTED VERSIONS

All versions of Ruby through Ruby 2.4.4

SECURITY RATING

The National Vulnerability Database (NIST) has given the following severity ratings to these CVEs:

CVE-2018-16395 – CRITICAL

Ruby 2.4.5

Fixed bug related to CVE-2018-16839

CVE-2018-16396 – HIGH

Ruby 2.4.5

Fixed bug related to CVE-2018-16840

SOLUTION

cPanel, L.L.C. has released updated RPMs for EasyApache 4 on January 9, 2019, with Ruby version 2.4.5. Unless you have enabled automatic RPM updates in your cron, update your system with either yum update or WHM’s Run System Update interface.

REFERENCES

https://nvd.nist.gov/vuln/detail/CVE-2018-16395

https://nvd.nist.gov/vuln/detail/CVE-2018-16396

https://www.ruby-lang.org/en/news/2018/10/17/ruby-2-4-5-released/

For the PGP-signed message, please see EA4 CVE 2019-1-9.signed.

More Information

Check out the Release notes and the 2019 EasyApache 4 Changelog. All of the details about all this release can be found in the EasyApache 4 Release Notes.

To ensure that you receive up-to-date product news from cPanel, we encourage you to subscribe to the Product and Security updates mailing lists: cPanel Mailing List.