CVE-2021-3917

Published Aug 23, 2022

Last updated 2 years ago

CVSS medium 5.5

Overview

Description: A flaw was found in the coreos-installer, where it writes the Ignition config to the target system with world-readable access permissions. This flaw allows a local attacker to have read access to potentially sensitive data. The highest threat from this vulnerability is to confidentiality.
Source: secalert@redhat.com
NVD status: Analyzed

Risk scores

CVSS 3.1

Type: Primary
Base score: 5.5
Impact score: 3.6
Exploitability score: 1.8
Vector string: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Severity: MEDIUM

Weaknesses

nvd@nist.gov: CWE-276
secalert@redhat.com: CWE-276

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:redhat:coreos-installer:*:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "A5FB7948-D4C7-4806-A707-B1F4FC340F97",
            "versionEndExcluding": "0.10.0"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

References