CVE-2023-26437 (GCVE-0-2023-26437)

Vulnerability from cvelistv5 – Published: 2023-04-04 14:37 – Updated: 2025-02-13 16:44
VLAI
Title
Deterred spoofing attempts can lead to authoritative servers being marked unavailable
Summary
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.
Severity
3.4 (Low)
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:N/A:L
CWE
  • Denial of service
Assigner
OX
References
Impacted products
Vendor Product Version
PowerDNS Recursor Affected: 0 , ≤ 4.6.5 (range)
Affected: 0 , ≤ 4.7.4 (range)
Affected: 0 , ≤ 4.8.3 (range)
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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.