CVE-2021-3429

Published Apr 19, 2023

Last updated 2 years ago

CVSS medium 5.5

Overview

Description: When instructing cloud-init to set a random password for a new user account, versions before 21.2 would write that password to the world-readable log file /var/log/cloud-init-output.log. This could allow a local user to log in as another user.
Source: security@ubuntu.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-532
security@ubuntu.com: CWE-532

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:canonical:cloud-init:*:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "24AE1645-A98F-41D7-8F77-8647A25E6B4A",
            "versionEndExcluding": "21.2"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

References