Description

WordPress is prone to a Denial of Service vulnerability which can be exploited by malicious people to cause the affected website to consume memory and CPU resources, thus denying service to legitimate users. WordPress versions 3.7.x ranging from 3.7 and up to (and including) 3.7.25 are vulnerable.

Remediation

Evaluate and apply the suggested patch

References

https://baraktawily.blogspot.ro/2018/02/how-to-dos-29-of-world-wide-websites.html

https://www.youtube.com/watch?v=nNDsGTalXS0

https://github.com/Quitten/WordPress/blob/master/wp-dos-patch.sh

https://www.exploit-db.com/exploits/43968/

https://packetstormsecurity.com/files/146249/WordPress-Core-Denial-Of-Service.html

https://www.rastating.com/protecting-wordpress-against-cve-2018-6389/

Related Vulnerabilities

PHP Out-of-bounds Write Vulnerability (CVE-2008-2371)

WordPress Plugin WP-FaceThumb 'pagination_wp_facethumb' Parameter Cross-Site Scripting (0.1)

OpenSSL Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2016-0702)

WordPress Plugin RegistrationMagic-User Registration with Custom Registration Forms Cross-Site Scripting (5.3.2.0)

WordPress Plugin Backup, Restore and Migrate WordPress Sites With the XCloner Cross-Site Scripting (3.1.2)

Severity

High

Classification

CVE-2018-6389 CWE-400 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

Tags

Missing Update Denial Of Service