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 4.0.x ranging from 4.0 and up to (and including) 4.0.22 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

Collabtive Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') Vulnerability (CVE-2014-3246)

Oracle JRE CVE-2013-2437 Vulnerability (CVE-2013-2437)

WordPress Plugin Cimy User Extra Fields Denial of Service (2.6.3)

WordPress Plugin Themify Builder Cross-Site Scripting (5.3.1)

Apache Tomcat Other Vulnerability (CVE-2006-3835)

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