CVE-2023-26437 Deterred spoofing attempts can lead to authoritative servers being marked unavailable

2023-04-0414:37:29

www.cve.org

cve-2023-26437

deterred spoofing

authoritative servers

unavailability

CVSS3

3.4

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

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

AI Score

5.7

Confidence

High

EPSS

0.001

Percentile

41.0%

JSON

Denial of service vulnerability in PowerDNS Recursor allows authoritative servers to be marked unavailable.This issue affects Recursor: through 4.6.5, through 4.7.4 , through 4.8.3.

CNA Affected

[
  {
    "defaultStatus": "affected",
    "product": "Recursor",
    "vendor": "PowerDNS",
    "versions": [
      {
        "lessThanOrEqual": "4.6.5",
        "status": "affected",
        "version": "0",
        "versionType": "range"
      },
      {
        "lessThanOrEqual": "4.7.4 ",
        "status": "affected",
        "version": "0",
        "versionType": "range"
      },
      {
        "lessThanOrEqual": "4.8.3",
        "status": "affected",
        "version": "0",
        "versionType": "range"
      }
    ]
  }
]