Bug 2179138 (CVE-2023-27491)

Summary: CVE-2023-27491 envoy: Envoy forwards invalid HTTP/2 and HTTP/3 downstream
Product: [Other] Security Response Reporter: Anten Skrabec <askrabec>
Component: vulnerabilityAssignee: Nobody <nobody>
Status: CLOSED ERRATA QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: jwendell, rcernich, sfowler, twalsh
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
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A flaw was found in Envoy that may allow attackers to send specially crafted HTTP/2 or HTTP/3 requests to trigger parsing errors on the upstream HTTP/1 service.
Story Points: ---
Clone Of: Environment:
Last Closed: 2023-08-11 21:11:33 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:    
Bug Blocks: 2178208    

Description Anten Skrabec 2023-03-16 17:28:35 UTC
Attackers can send specifically crafted HTTP/2 or HTTP/3 requests to trigger parsing errors on HTTP/1 upstream service.

Comment 5 errata-xmlrpc 2023-08-11 16:48:12 UTC
This issue has been addressed in the following products:

  Red Hat OpenShift Service Mesh 2.2 for RHEL 8

Via RHSA-2023:4623 https://access.redhat.com/errata/RHSA-2023:4623

Comment 6 Product Security DevOps Team 2023-08-11 21:11:31 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-2023-27491