Bug 2159638 (CVE-2023-22622)

Summary: CVE-2023-22622 wordpress: DoS via the wp-cron.php functionality due to improper restriction of the amount for request handling
Product: [Other] Security Response Reporter: TEJ RATHI <trathi>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED UPSTREAM QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedKeywords: Security
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Hardware: All   
OS: Linux   
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Last Closed: 2023-01-12 04:31:08 UTC Type: ---
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2159639, 2159640    
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Description TEJ RATHI 2023-01-10 09:28:34 UTC 
WordPress through 6.1.1 depends on unpredictable client visits to cause wp-cron.php execution and the resulting security updates, and the source code describes "the scenario where a site may not receive enough visits to execute scheduled tasks in a timely manner," but neither the installation guide nor the security guide mentions this default behavior, or alerts the user about security risks on installations with very few visits.

https://github.com/WordPress/WordPress/blob/dca7b5204b5fea54e6d1774689777b359a9222ab/wp-cron.php#L5-L8
https://developer.wordpress.org/plugins/cron/
https://www.tenable.com/plugins/was/113449
https://medium.com/@thecpanelguy/the-nightmare-that-is-wpcron-php-ae31c1d3ae30
https://wordpress.org/about/security/
https://wordpress.org/support/article/how-to-install-wordpress/
Comment 1 TEJ RATHI 2023-01-10 09:29:00 UTC 
Created wordpress tracking bugs for this issue:

Affects: epel-all [bug 2159639]
Affects: fedora-all [bug 2159640]
Comment 2 Product Security DevOps Team 2023-01-12 04:31:06 UTC 
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.