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Don't let UDP decoding bugs kill broadcast-listener main thread

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dmiller
2020-02-18 17:37:57 +00:00
parent 5d281d0e6e
commit 4a38853631
1 changed files with 5 additions and 3 deletions
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8
scripts/broadcast-listener.nse
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@@ -153,10 +153,12 @@ sniffInterface = function(iface, Decoders, decodertab)
-- if we have an UDP-based broadcast, we should have a proper packet -- if we have an UDP-based broadcast, we should have a proper packet
if ( p and p.udp_dport and ( decodertab.udp[p.udp_dport] or Decoders.udp[p.udp_dport] ) ) then if ( p and p.udp_dport and ( decodertab.udp[p.udp_dport] or Decoders.udp[p.udp_dport] ) ) then
if ( not(decodertab.udp[p.udp_dport]) ) then local uport = p.udp_dport
decodertab.udp[p.udp_dport] = Decoders.udp[p.udp_dport]:new() if ( not(decodertab.udp[uport]) ) then
decodertab.udp[uport] = Decoders.udp[uport]:new()
end end
decodertab.udp[p.udp_dport]:process(data) stdnse.new_thread(decodertab.udp[uport].process, decodertab.udp[uport], data)
decoded = true
-- The packet was decoded successfully but we don't have a valid decoder -- The packet was decoded successfully but we don't have a valid decoder
-- Report this -- Report this
elseif ( p and p.udp_dport ) then elseif ( p and p.udp_dport ) then