Bug 2188126 (CVE-2023-21963)

Summary: CVE-2023-21963 mysql: Server: Connection Handling unspecified vulnerability (CPU Apr 2023)
Product: [Other] Security Response Reporter: Mauro Matteo Cascella <mcascell>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedCC: databases-maint, dciabrin, eglynn, hhorak, jjoyce, jorton, lhh, ljavorsk, mbayer, mburns, mgarciac, mmuzila, mschorm, spower
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: mysql 5.7.41, mysql 8.0.32 Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2023-05-09 22:34:08 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 2162317, 2162318, 2162319, 2162320, 2162321    
Bug Blocks: 2188133    

Description Mauro Matteo Cascella 2023-04-19 20:03:51 UTC 
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Connection Handling). Supported versions that are affected are 5.7.40 and prior and 8.0.31 and prior. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of MySQL Server.

External References:

https://www.oracle.com/security-alerts/cpuapr2023.html#AppendixMSQL
Comment 1 Mauro Matteo Cascella 2023-05-09 13:01:57 UTC 
The Oracle advisory states that this issue was fixed upstream in version 8.0.32. The mysql packages as shipped in following Red Hat products were previously updated to a version that contains the fix via the following errata:

rh-mysql80-mysql in Red Hat Software Collections
https://access.redhat.com/errata/RHSA-2023:1102
Comment 2 Product Security DevOps Team 2023-05-09 22:34:06 UTC 
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2023-21963