Bug 2182158 (CVE-2023-27493)

Summary: CVE-2023-27493 envoy: envoy doesn't escape HTTP header values
Product: [Other] Security Response Reporter: Anten Skrabec <askrabec>
Component: vulnerabilityAssignee: Nobody <nobody>
Status: CLOSED ERRATA QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: unspecifiedCC: jwendell, rcernich, twalsh
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: ---
Doc Text:
A flaw was found in Envoy. Envoy doesn't escape HTTP header values due to a specifically constructed HTTP request or mTLS connection with a specifically crafted client certificate. Envoy configuration must also include an option to add request headers that were generated using inputs from the request, for example, the peer certificate SAN.
Story Points: ---
Clone Of: Environment:
Last Closed: 2023-08-11 21:15:29 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 2023-03-27 17:45:37 UTC
A specifically constructed HTTP request or mTLS connection with a specifically crafted client certificate.

Envoy configuration must also include an option to add request headers that were generated using inputs from the request, i.e. the peer certificate SAN.

Comment 5 errata-xmlrpc 2023-08-11 16:48:15 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 21:15:28 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-2023-27493