PowerDNS Recursor up to 4.9.8/5.0.8/5.1.1 Resource Record Set denial of service

Summaryinfo

A vulnerability categorized as problematic has been discovered in PowerDNS Recursor up to 4.9.8/5.0.8/5.1.1. Affected is an unknown function of the component Resource Record Set Handler. The manipulation results in denial of service. This vulnerability was named CVE-2024-25590. The attack may be performed from remote. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in PowerDNS Recursor up to 4.9.8/5.0.8/5.1.1. It has been classified as problematic. Affected is an unknown functionality of the component Resource Record Set Handler. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. CVE summarizes:

An attacker can publish a zone containing specific Resource Record Sets. Repeatedly processing and caching results for these sets can lead to a denial of service.

The weakness was presented by Toshifumi Sakaguchi. The advisory is shared for download at docs.powerdns.com. This vulnerability is traded as CVE-2024-25590 since 02/08/2024. The exploitability is told to be difficult. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.

The vulnerability scanner Nessus provides a plugin with the ID 214667 (Debian dsa-5851 : pdns-recursor - security update), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 4.9.9, 5.0.9 or 5.1.2 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (214667). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• Domain Name Software

Vendor

• PowerDNS

Name

• Recursor

Version

• 4.9.0
• 4.9.1
• 4.9.2
• 4.9.3
• 4.9.4
• 4.9.5
• 4.9.6
• 4.9.7
• 4.9.8
• 5.0.0
• 5.0.1
• 5.0.2
• 5.0.3
• 5.0.4
• 5.0.5
• 5.0.6
• 5.0.7
• 5.0.8
• 5.1.0
• 5.1.1

License

• free

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

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Entryinfo

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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