CVE-2023-3036

Published Jun 14, 2023

Last updated 2 years ago

Overview

Description: An unchecked read in NTP server in github.com/cloudflare/cfnts prior to commit 783490b https://github.com/cloudflare/cfnts/commit/783490b913f05e508a492cd7b02e3c4ec2297b71 enabled a remote attacker to trigger a panic by sending an NTSAuthenticator packet with extension length longer than the packet contents.
Source: cna@cloudflare.com
NVD status: Analyzed

Risk scores

CVSS 3.1

Type: Primary
Base score: 7.5
Impact score: 3.6
Exploitability score: 3.9
Vector string: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Severity: HIGH

Weaknesses

nvd@nist.gov: CWE-125
cna@cloudflare.com: CWE-119

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:cloudflare:cfnts:*:*:*:*:*:rust:*:*",
            "vulnerable": true,
            "matchCriteriaId": "7EF27AB6-93DC-428C-95EE-46B241094EE2",
            "versionEndExcluding": "2023-06-01"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

References