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Rescue EOFError in cve_2019_0708_bluekeep get_once #12152

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merged 3 commits into from Aug 2, 2019
Merged

Rescue EOFError in cve_2019_0708_bluekeep get_once #12152

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ae13736
Rescue EOFError in cve_2019_0708_bluekeep get_once
wvu Jul 31, 2019
8d2b290
Fix typo
wvu Jul 31, 2019
178339d
Rescue EOFError in quick check for patch
wvu Aug 1, 2019
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8 changes: 7 additions & 1 deletion modules/auxiliary/scanner/rdp/cve_2019_0708_bluekeep.rb
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Expand Up @@ -207,7 +207,11 @@ def check_for_patch
rdp_send(x64_packet)

# Quick check for the Ultimatum PDU
res = sock.get_once(-1, 1)
begin
res = sock.get_once(-1, 1)
rescue EOFError
# we don't care
end
return Exploit::CheckCode::Vulnerable if res && res.include?(["0300000902f0802180"].pack("H*"))

# Slow check for Ultimatum PDU. If it doesn't respond in a timely
Expand Down Expand Up @@ -396,6 +400,8 @@ def rdp_recv
raise RdpCommunicationError unless res # nil due to a timeout

res
rescue EOFError
raise RdpCommunicationError
end

def rdp_send_recv(data)
Expand Down