CVE-2023-30464 CoreDNS Cache Poisoning via a birthday attack
Attackers can poison the DNS cache and inject fake responses via a birthday attack, compromising DNS integrity.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-30464?
CVE-2023-30464 is a high-severity vulnerability in n/a, published on 18 Sep 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
CoreDNS through 1.10.1 enables attackers to achieve DNS cache poisoning and inject fake responses via a birthday attack.
Weakness: CWE-290
Which versions are affected by CVE-2023-30464?
3 open source packages ship an affected version, including github.com/coredns/coredns. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
github.com/coredns/coredns Go | All versions to 1.10.1 | None |
github.com/coredns/coredns Go | All versions to 1.10.1 | None |
github.com/coredns/coredns Go | All versions | 1.11.0 |
Products include Coredns.io Coredns.
How do I fix CVE-2023-30464?
Upgrade github.com/coredns/coredns to 1.11.0 or later.
Is CVE-2023-30464 being exploited?
There is no known exploitation of CVE-2023-30464 in the wild and no public exploit code.
Other vulnerabilities in n/a
- CVE-2026-32934 CoreDNS DNS-over-QUIC unbounded goroutine growth leads to denial of service
- CVE-2026-32936 CoreDNS DoH GET path missing size validation causes CPU and memory amplification
- CVE-2026-33190 CoreDNS TSIG authentication bypass on encrypted DNS transports
- CVE-2026-33489 CoreDNS transfer plugin subzone ACL bypass via lexicographic zone comparison
- CVE-2026-35579 CoreDNS TSIG authentication bypass on gRPC, QUIC, DoH, and DoH3 transports
Sources
Also known as GHSA-h92q-fgpp-qhrq, GO-2024-3134.