CVE-2022-31045 Ill-formed headers may lead to unexpected behavior in Istio

2022-06-0920:55:10

CWE-125

GitHub_M

www.cve.org

cve-2022-31045

istio

unexpected behavior

memory access

vulnerability

envoy

microservices

security

upgrade

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

HIGH

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

AI Score

9.6

Confidence

High

EPSS

0.003

Percentile

68.4%

JSON

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.

CNA Affected

[
  {
    "product": "istio",
    "vendor": "istio",
    "versions": [
      {
        "status": "affected",
        "version": "< 1.12.18"
      },
      {
        "status": "affected",
        "version": ">= 1.13.0, < 1.13.5"
      },
      {
        "status": "affected",
        "version": ">= 1.14.0, < 1.14.1"
      }
    ]
  }
]