Vulnerability Description
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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Technitium | Dnsserver | 11.0.2 |
Related Weaknesses (CWE)
References
- https://gist.github.com/idealeer/89947ca07836fd0f7e9761198ca9a0f3.Broken Link
- https://technitium.com/dns/Product
FAQ
What is CVE-2023-28451?
CVE-2023-28451 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 servi...
How severe is CVE-2023-28451?
CVE-2023-28451 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-28451?
Check the references section above for vendor advisories and patch information. Affected products include: Technitium Dnsserver.