When SessionTicketsDisabled is enabled, crypto/tls allowed man-in-the-middle attackers to spoof clients via unspecified vectors.
If the server enables TLS client authentication using certificates (this is rare) and explicitly sets SessionTicketsDisabled to true in the tls.Config, then a malicious client can falsely assert ownership of any client certificate it wishes.
{ "review_status": "REVIEWED", "url": "https://pkg.go.dev/vuln/GO-2021-0154" }