CVE-2022-4886 Ingress-nginx `path` sanitization can be bypassed with `log_format` directive

2023-10-2519:18:45

CWE-20

kubernetes

www.cve.org

cve-2022

ingress-nginx

path sanitization

bypass

log_format directive

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.9 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

45.4%

JSON

Ingress-nginx path sanitization can be bypassed with log_format directive.

CNA Affected

[
  {
    "vendor": "Kubernetes",
    "product": "ingress-nginx",
    "repo": "https://github.com/kubernetes/ingress-nginx",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "1.8.0",
        "versionType": "semver"
      },
      {
        "status": "unknown",
        "version": "1.8.0"
      }
    ],
    "defaultStatus": "unknown"
  }
]