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Handle error condition. Closes #1254

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dmiller 2018-06-28 13:40:29 +00:00
parent cd3253f5a2
commit 6e5e9478f2
2 changed files with 9 additions and 0 deletions
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3
CHANGELOG
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@ -1,5 +1,8 @@
#Nmap Changelog ($Id$); -*-text-*-
o [NSE][GH#1254] Handle an error condition in smb-vuln-ms17-010 caused by IPS
closing the connection. [Clément Notin]
o [NSE] https-redirect detects HTTP servers that redirect to the same port, but
with HTTPS. Some nginx servers do this, which made ssl-* scripts not run
properly. [Daniel Miller]

6
scripts/smb-vuln-ms17-010.nse
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@ -129,6 +129,12 @@ local function check_ms17010(host, port, sharename)
end
local result, smb_header, _, _ = smb.smb_read(smbstate)
if not result then
stdnse.debug1("Error reading SMB response: %s", smb_header)
-- error can happen if an (H)IPS resets the connection
return false, smb_header
end
local _ , smb_cmd, err = string.unpack("<c4 B I4", smb_header)
if smb_cmd == 37 then -- SMB command for Trans is 0x25
stdnse.debug1("Valid SMB_COM_TRANSACTION response received")