CVE-2022-4318 Cri-o: /etc/passwd tampering privesc

2023-09-2519:23:02

CWE-538

redhat

www.cve.org

cve-2022-4318

cri-o

vulnerability

/etc/passwd

tampering

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.0004 Low

EPSS

Percentile

5.1%

JSON

A vulnerability was found in cri-o. This issue allows the addition of arbitrary lines into /etc/passwd by use of a specially crafted environment variable.

CNA Affected

[
  {
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift Container Platform 4.11",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "cri-o",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "0:1.24.4-10.rhaos4.11.git1ed5ac5.el8",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:openshift:4.11::el8"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift Container Platform 4.12",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "cri-o",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "0:1.25.2-9.rhaos4.12.git0a083f9.el9",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:openshift:4.12::el8",
      "cpe:/a:redhat:openshift:4.12::el9"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 9",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "fence-agents",
    "defaultStatus": "unaffected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:9"
    ]
  }
]