fkie_nvd - fkie_cve-2025-30187

fkie_cve-2025-30187

Vulnerability from fkie_nvd

Published

2025-09-18 10:15

Modified

2025-09-18 13:43

Severity ?

3.7 (Low) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

Summary

In some circumstances, when DNSdist is configured to use the nghttp2 library to process incoming DNS over HTTPS queries, an attacker might be able to cause a denial of service by crafting a DoH exchange that triggers an unbounded I/O read loop, causing an unexpected consumption of CPU resources.

References

▼	URL	Tags
	security@open-xchange.com	https://www.dnsdist.org/security-advisories/powerdns-advisory-for-dnsdist-2025-05.html

Impacted products

	Vendor	Product	Version

To clipboard

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In some circumstances, when DNSdist is configured to use the nghttp2 library to process incoming DNS over HTTPS queries, an attacker might be able to cause a denial of service by crafting a DoH exchange that triggers an unbounded I/O read loop, causing an unexpected consumption of CPU resources."
    }
  ],
  "id": "CVE-2025-30187",
  "lastModified": "2025-09-18T13:43:34.310",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "LOW",
          "baseScore": 3.7,
          "baseSeverity": "LOW",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
          "version": "3.1"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 1.4,
        "source": "security@open-xchange.com",
        "type": "Secondary"
      }
    ]
  },
  "published": "2025-09-18T10:15:32.993",
  "references": [
    {
      "source": "security@open-xchange.com",
      "url": "https://www.dnsdist.org/security-advisories/powerdns-advisory-for-dnsdist-2025-05.html"
    }
  ],
  "sourceIdentifier": "security@open-xchange.com",
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-835"
        }
      ],
      "source": "security@open-xchange.com",
      "type": "Secondary"
    }
  ]
}

CVE-2025-30187 (GCVE-0-2025-30187)

Vulnerability from cvelistv5

Published

2025-09-18 09:21

Modified

2025-09-18 14:03

Severity ?

3.7 (Low) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

CWE

CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')

Summary

In some circumstances, when DNSdist is configured to use the nghttp2 library to process incoming DNS over HTTPS queries, an attacker might be able to cause a denial of service by crafting a DoH exchange that triggers an unbounded I/O read loop, causing an unexpected consumption of CPU resources.

References

▼	URL	Tags
	https://www.dnsdist.org/security-advisories/powerdns-advisory-for-dnsdist-2025-05.html

Impacted products

	Vendor	Product	Version
	PowerDNS	DNSdist	Version: 1.9.0 ≤ Version: 2.0.0 ≤

Show details on NVD website

To clipboard

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        "metrics": [
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            "other": {
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                "id": "CVE-2025-30187",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-09-18T13:38:54.571103Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-09-18T14:03:26.359Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
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        {
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          "defaultStatus": "unaffected",
          "modules": [
            "Incoming DoH via nghttp2"
          ],
          "packageName": "dnsdnsdist",
          "product": "DNSdist",
          "programFiles": [
            "dnsdist-nghttp2-in.cc"
          ],
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          "vendor": "PowerDNS",
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              "versionType": "semver"
            },
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              "version": "2.0.0",
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            }
          ]
        }
      ],
      "datePublic": "2025-09-18T09:20:00.000Z",
      "descriptions": [
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            }
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      "providerMetadata": {
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        "orgId": "8ce71d90-2354-404b-a86e-bec2cc4e6981",
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        "discovery": "EXTERNAL"
      },
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    "dateReserved": "2025-03-18T08:39:46.884Z",
    "dateUpdated": "2025-09-18T14:03:26.359Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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