Technitium 11.0.2 DNS Resolver BadDNS denial of service

Summaryinfo

A vulnerability has been found in Technitium 11.0.2 and classified as problematic. The impacted element is an unknown function of the component DNS Resolver. Performing a manipulation results in denial of service. This vulnerability was named CVE-2023-28451. There is no available exploit.

Detailsinfo

A vulnerability was found in Technitium 11.0.2. It has been classified as problematic. This affects an unknown part of the component DNS Resolver. 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. The summary by CVE is:

An issue was discovered in Technitium 11.0.2. There is a vulnerability (called BadDNS) in DNS resolving software, which triggers a resolver to ignore valid responses, thus causing DoS (denial of service) for normal resolution. The effects of an exploit would be widespread and highly impactful, because the attacker could just forge a response targeting the source port of a vulnerable resolver without the need to guess the correct TXID.

This vulnerability is uniquely identified as CVE-2023-28451 since 03/15/2023. The technical details are unknown and an exploit is not publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

• Technitium

Version

• 11.0.2

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CPE 2.2info

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