CVE-2022-31045

Ill-formed headers may lead to unexpected behavior in Istio

Published Jun 9, 2022 CVSS 3.1 · 7 High EPSS 1.2% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2022-6197 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.
Github GHSA Github GHSA GHSA-xwx5-5c9g-x68x Ill-formed headers may lead to unexpected behavior in Istio
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Apr 23, 2025, 6:17 PM
Reserved
May 18, 2022, 12:00 AM
Status
Modified
Published
Jun 9, 2022, 9:15 PM
Modified
Jun 17, 2026, 4:44 AM
Severity
Moderate
Public date
Jun 9, 2022, 10:35 PM