SSH servers which implement file transfer protocols are vulnerable to a denial of service attack from clients which complete the key exchange slowly, or not at all, causing pending content to be read into memory, but never transmitted.
{ "review_status": "REVIEWED", "url": "https://pkg.go.dev/vuln/GO-2025-3487" }
{ "imports": [ { "path": "golang.org/x/crypto/ssh", "symbols": [ "Client.Dial", "Client.DialContext", "Client.DialTCP", "Client.Listen", "Client.ListenTCP", "Client.ListenUnix", "Client.NewSession", "Dial", "DiscardRequests", "NewClient", "NewClientConn", "NewServerConn", "Request.Reply", "Session.Close", "Session.CombinedOutput", "Session.Output", "Session.RequestPty", "Session.RequestSubsystem", "Session.Run", "Session.SendRequest", "Session.Setenv", "Session.Shell", "Session.Signal", "Session.Start", "Session.WindowChange", "channel.Accept", "channel.Close", "channel.CloseWrite", "channel.Read", "channel.ReadExtended", "channel.Reject", "channel.SendRequest", "channel.Write", "channel.WriteExtended", "connection.SendAuthBanner", "curve25519sha256.Client", "curve25519sha256.Server", "dhGEXSHA.Client", "dhGEXSHA.Server", "dhGroup.Client", "dhGroup.Server", "ecdh.Client", "ecdh.Server", "extChannel.Read", "extChannel.Write", "handshakeTransport.kexLoop", "handshakeTransport.recordWriteError", "handshakeTransport.writePacket", "mux.OpenChannel", "mux.SendRequest", "newHandshakeTransport", "sessionStdin.Close", "sshClientKeyboardInteractive.Challenge", "tcpListener.Accept", "tcpListener.Close", "unixListener.Accept", "unixListener.Close" ] } ] }