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 3.8.x ranging from 3.8 and up to (and including) 3.8.25 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

Collabtive Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2010-5284)

WordPress Plugin PICA Photo Gallery SQL Injection (1.0)

PHP Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability (CVE-2008-5557)

Jenkins Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2019-10406)

WordPress 4.3.x Multiple Vulnerabilities (4.3 - 4.3.7)

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