CVE-2022-31045

High

Description

Istio is an open platform to connect, manage, and secure microservices. In affected versions ill-formed headers sent to Envoy in certain configurations can lead to unexpected memory access resulting in undefined behavior or crashing. Users are most likely at risk if they have an Istio ingress Gateway exposed to external traffic. This vulnerability has been resolved in versions 1.12.8, 1.13.5, and 1.14.1. Users are advised to upgrade. There are no known workarounds for this issue.

SeverityHigh
CVSS7.0
Exploit probability—
ProductIstio
PublishedJun 9, 2022
First seenJun 9, 2022

How to fix

Update
  • istio istio1.12.8, 1.13.5 or later
  • istio.io/istio1.12.18, 1.13.5, 1.14.1 or later

Affected products

ProductAffected versionsFixed in
istio istiov < 1.12.8, 1.13.0 ≤ v < 1.13.5, 1.14.01.12.8, 1.13.5
istio.io/istioGov < 1.12.18, 1.13.0 ≤ v < 1.13.5, 1.14.0 ≤ v < 1.14.11.12.18, 1.13.5, 1.14.1

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CVE-2022-31045 · Istio · Dark Radar