Affected by GO-2024-3130 and 2 other vulnerabilities

GO-2024-3130: CoreDNS vulnerable to TuDoor Attacks in github.com/coredns/coredns

GO-2025-3743: CoreDNS Vulnerable to DoQ Memory Exhaustion via Stream Amplification in github.com/coredns/coredns

GO-2025-3942: CoreDNS: DNS Cache Pinning via etcd Lease ID Confusion in github.com/coredns/coredns

nonwriter

package

v1.8.1 Latest Latest Go to latest Published: Jan 20, 2021 License: Apache-2.0 Imports: 1 Imported by: 357

Details

Package nonwriter implements a dns.ResponseWriter that never writes, but captures the dns.Msg being written.

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type Writer struct {
	dns.ResponseWriter
	Msg *dns.Msg
}

Writer is a type of ResponseWriter that captures the message, but never writes to the client.

func New(w dns.ResponseWriter) *Writer

New makes and returns a new NonWriter.

func (w *Writer) WriteMsg(res *dns.Msg) error

WriteMsg records the message, but doesn't write it itself.