VariantDraft

CWE-350Reliance on Reverse DNS Resolution for a Security-Critical Action

Category: other

Description

The product performs reverse DNS resolution on an IP address to obtain the hostname and make a security decision, but it does not properly ensure that the IP address is truly associated with the hostname.

Common consequences· 1

  • Access Control — Gain Privileges or Assume Identity, Bypass Protection Mechanism
    Malicious users can fake authentication information by providing false DNS information.

Potential mitigations· 2

  • [Architecture and Design]Use other means of identity verification that cannot be simply spoofed. Possibilities include a username/password or certificate.
  • [Implementation]Perform proper forward and reverse DNS lookups to detect DNS spoofing.

Related CAPEC attack patterns· 4

CAPEC-142CAPEC-275CAPEC-73CAPEC-89

References

  1. https://cwe.mitre.org/data/definitions/350.html

Exploits (incoming)4

TypeTargetConfidenceTier
AttackPatternPharmingcapec-89100%live
AttackPatternDNS Rebindingcapec-275100%live
AttackPatternUser-Controlled Filenamecapec-73100%live
AttackPatternDNS Cache Poisoningcapec-142100%live

(incoming)3

TypeTargetConfidenceTier
VulnerabilityCVE-2025-8036cve-2025-80360%live
VulnerabilityCVE-2026-1490cve-2026-14900%live
VulnerabilityCVE-2026-42559cve-2026-425590%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

CWE
Authentication Bypass by Alternate Name
CWE
Improper Validation of Certificate with Host Mismatch
CWE
Improper Restriction of Communication Channel to Intended Endpoints
CWE
Reliance on IP Address for Authentication
CWE
Exposure of Sensitive System Information to an Unauthorized Control Sphere
CWE
Improper Check for Certificate Revocation
Sourced from MITRE CWE 4.20. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.