CVE-2022-31045

Published: Jun 9, 2022

Modified: Apr 23, 2025

PUBLISHED

CVSS v3.1

7.0

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.

Vendor	Product	Versions
istio	istio	affected `< 1.12.18` affected `>= 1.13.0, < 1.13.5` affected `>= 1.14.0, < 1.14.1`

Weaknesses (CWE)

CWE-125

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

High

References

https://github.com/istio/istio/security/advisories/GHSA-xwx5-5c9g-x68x

x_refsource_CONFIRM

https://istio.io/latest/news/security/istio-security-2022-05

x_refsource_MISC

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CVE-2022-31045

Description

Affected Products

Weaknesses (CWE)

CVSS v3.1 Details

References