SUMMARY
cPanel, Inc. has released updated RPMs for EasyApache 4 on December 5, 2017, with cURL 7.57.0 and a patch for APR 1.5.2. This release addresses vulnerabilities related to CVE-2017-8816, CVE-2017-8817, CVE-2017-8818, and CVE-2017-12613. We strongly encourage all cURL users to upgrade to version 7.57.0 and all APR users to apply the patch.

AFFECTED VERSIONS
All versions of cURL through 7.56.1
All versions of APR through 1.5.2

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

CVE-2017-8816 – MEDIUM
cURL 7.56.1
Fix buffer overrun flaw related to CVE-2017-8816

CVE-2017-8817 – MEDIUM
cURL 7.56.1
Fix read out of bounds flaw related to CVE-2017-8817

CVE-2017-8818 – MEDIUM
cURL 7.56.1
Fix read out of bounds flaw related to CVE-2017-8818

CVE-2017-12613 – HIGH
APR 1.5.2
Fix out-of-bounds array deref bug related to CVE-2017-12613

SOLUTION
cPanel, Inc. has released updated RPMs for EasyApache 4 on December 5, 2017, with an updated version of cURL 7.57.0 and a patch for APR 1.5.2. 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-2017-8816
https://nvd.nist.gov/vuln/detail/CVE-2017-8817
https://nvd.nist.gov/vuln/detail/CVE-2017-8818
https://nvd.nist.gov/vuln/detail/CVE-2017-12613
https://curl.haxx.se/changes.html

For the PGP signed message, please see EA4 2017-12-5 CVE