Bug 2088819 (CVE-2022-31045)

Summary:	CVE-2022-31045 Istio: Unsafe memory access in metadata exchange.
Product:	[Other] Security Response	Reporter:	Nick Tait <ntait>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	ahanwate, eclipseo, go-sig, jwendell, ovanders, rcernich, security-response-team, twalsh
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	Istio 1.12.8, Istio 1.13.5, Istio 1.14.1	Doc Type:	If docs needed, set a value
Doc Text:	A flaw was found in Istio. Memory access violation of ill-formed headers sent to Envoy in certain configurations can lead to unexpected memory access, resulting in undefined behavior or crashing.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2022-06-13 17:21:06 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:	2095629
Bug Blocks:	2088820

Description Nick Tait 2022-05-20 21:39:31 UTC

For an Envoy with HTTP Metadata Exchange enabled, a request with "X-Envoy-Peer-Metadata-Id" set and "X-Envoy-Peer-Metadata" unset can lead to unexpected memory access resulting in undefined behavior or crash.

Comment 5 Avinash Hanwate 2022-06-10 04:07:47 UTC

Created golang-istio-pkg tracking bugs for this issue:

Affects: fedora-35 [bug 2095629]

Comment 6 errata-xmlrpc 2022-06-13 12:33:56 UTC

This issue has been addressed in the following products:

  OpenShift Service Mesh 2.1

Via RHSA-2022:5004 https://access.redhat.com/errata/RHSA-2022:5004

Comment 7 Product Security DevOps Team 2022-06-13 17:21:04 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-2022-31045