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CVE-2024-25581

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CVE-2024-25581

Published: May 13, 2024

Modified: Feb 13, 2025

PUBLISHED

CVSS v3.1

7.5

HIGH

Description

When incoming DNS over HTTPS support is enabled using the nghttp2 provider, and queries are routed to a tcp-only or DNS over TLS backend, an attacker can trigger an assertion failure in DNSdist by sending a request for a zone transfer (AXFR or IXFR) over DNS over HTTPS, causing the process to stop and thus leading to a Denial of Service. DNS over HTTPS is not enabled by default, and backends are using plain DNS (Do53) by default.

VendorProductVersions

PowerDNS

DNSdist

affected
1.9.0
affected
1.9.1
affected
1.9.2
affected
1.9.3

Weaknesses (CWE)

CWE-20

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

References

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