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CVE-2024-25581

HIGH
Published 2024-05-13T11:49:24.500Z
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Expert Analysis

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CVSS Score

V3.1
7.5
/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.000
probability
of exploitation in the wild

There is a 0.0% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.016
Higher than 1.6% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
NONE
Integrity
NONE
Availability
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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

PowerDNS

DNSdist

Affected Versions:

1.9.0 1.9.1 1.9.2 1.9.3
powerdns

dnsdist

Affected Versions:

1.9.0
powerdns

dnsdist

Affected Versions:

1.9.1
powerdns

dnsdist

Affected Versions:

1.9.2
powerdns

dnsdist

Affected Versions:

1.9.3

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed HIGH

GHSA-55g9-rgmx-hvww

Advisory Details

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.

CVSS Scoring

CVSS Score

7.5

CVSS Vector

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

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2024-25581
WEB https://dnsdist.org/security-advisories/powerdns-advisory-for-dnsdist-2024-03.html
WEB http://www.openwall.com/lists/oss-security/2024/05/13/1

Advisory provided by GitHub Security Advisory Database. Published: May 14, 2024, Modified: February 13, 2025

References

https://dnsdist.org/security-advisories/powerdns-advisory-for-dnsdist-2024-03.html
http://www.openwall.com/lists/oss-security/2024/05/13/1
Published: 2024-05-13T11:49:24.500Z
Last Modified: 2025-02-13T17:40:49.395Z
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