Bug 2217987 (CVE-2023-35943) - CVE-2023-35943 envoy: CORS filter segfault when origin header is removed
Summary: CVE-2023-35943 envoy: CORS filter segfault when origin header is removed
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2023-35943
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Nobody
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks: 2217969
TreeView+ depends on / blocked
 
Reported: 2023-06-27 18:48 UTC by Guilherme de Almeida Suckevicz
Modified: 2023-08-31 02:54 UTC (History)
4 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
A flaw was found in Envoy. Suppose an origin header is configured to be removed with request_headers_to_remove: origin. The CORS filter will segfault and crash Envoy when the origin header is removed and deleted between decodeHeaders and encodeHeaders.
Clone Of:
Environment:
Last Closed: 2023-08-11 21:36:45 UTC
Embargoed:

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Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2023:4624 0 None None None 2023-08-11 16:48:20 UTC
Red Hat Product Errata RHSA-2023:4625 0 None None None 2023-08-11 16:49:03 UTC

Description Guilherme de Almeida Suckevicz 2023-06-27 18:48:44 UTC 
If origin header is configured to be removed with request_headers_to_remove: origin, CORS filter will segfault and crash Envoy when the origin header is removed and deleted between decodeHeaders and encodeHeaders.
Comment 5 errata-xmlrpc 2023-08-11 16:48:18 UTC 
This issue has been addressed in the following products:

  Red Hat OpenShift Service Mesh 2.3 for RHEL 8

Via RHSA-2023:4624 https://access.redhat.com/errata/RHSA-2023:4624
Comment 6 errata-xmlrpc 2023-08-11 16:49:02 UTC 
This issue has been addressed in the following products:

  Red Hat OpenShift Service Mesh 2.4 for RHEL 8

Via RHSA-2023:4625 https://access.redhat.com/errata/RHSA-2023:4625
Comment 7 Product Security DevOps Team 2023-08-11 21:36:43 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-2023-35943
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