Bug 2217983 (CVE-2023-35945)

Summary:	CVE-2023-35945 envoy: HTTP/2 memory leak in nghttp2 codec
Product:	[Other] Security Response	Reporter:	Guilherme de Almeida Suckevicz <gsuckevi>
Component:	vulnerability	Assignee:	Nobody <nobody>
Status:	CLOSED ERRATA	QA Contact:
Severity:	high	Docs Contact:
Priority:	high
Version:	unspecified	CC:	csutherl, jclere, jwendell, mturk, peholase, pjindal, plodge, rcernich, security-response-team, szappis, twalsh
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	envoy 1.26.3, envoy 1.25.8, envoy 1.24.9, envoy 1.23.11	Doc Type:	If docs needed, set a value
Doc Text:	A flaw was found in Envoy, where a specifically crafted response from an untrusted upstream service can cause a denial of service through memory exhaustion. This issue is caused by Envoy’s HTTP/2 codec, which may leak a header map and bookkeeping structures upon receiving RST_STREAM immediately, followed by the GOAWAY frames from an upstream server.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2023-08-11 21:34:45 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:	2217969

Description Guilherme de Almeida Suckevicz 2023-06-27 18:40:17 UTC

Specifically crafter response from an untrusted upstream service can cause the denial of service through memory exhaustion. This is caused by Envoy’s HTTP/2 codec may leak a header map and bookkeeping structures upon receiving RST_STREAM immediately followed by the GOAWAY frames from an upstream server.

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 Product Security DevOps Team 2023-08-11 21:34:43 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-2023-35945

Comment 7 errata-xmlrpc 2023-09-14 17:35:40 UTC

This issue has been addressed in the following products:

  Red Hat OpenShift Service Mesh 2.2 for RHEL 8

Via RHSA-2023:5175 https://access.redhat.com/errata/RHSA-2023:5175