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Whitespace/indentation fixes for ssl-heartbleed
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dmiller
@@ -10,17 +10,17 @@ The code is based on the Python script ssltest.py authored by Jared Stafford (js
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-- @output
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-- PORT STATE SERVICE
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-- 443/tcp open https
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-- | ssl-heartbleed:
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-- | ssl-heartbleed:
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-- | VULNERABLE:
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-- | The Heartbleed Bug is a serious vulnerability in the popular OpenSSL cryptographic software library. It allows for stealing information intended to be protected by SSL/TLS encryption.
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-- | State: VULNERABLE
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-- | Risk factor: High
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-- | Description:
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-- | OpenSSL versions 1.0.1 and 1.0.2-beta releases (including 1.0.1f and 1.0.2-beta1) of OpenSSL are affected by the Heartbleed bug. The bug allows for reading memory of systems protected by the vulnerable OpenSSL versions and could allow for disclosure of otherwise encrypted confidential information as well as the encryption keys themselves.
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-- |
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-- |
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-- | References:
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-- | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-0160
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-- | http://www.openssl.org/news/secadv_20140407.txt
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-- | http://www.openssl.org/news/secadv_20140407.txt
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-- |_ http://cvedetails.com/cve/2014-0160/
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--
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--
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@@ -39,93 +39,93 @@ license = "Same as Nmap--See http://nmap.org/book/man-legal.html"
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categories = { "vuln", "safe" }
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portrule = function(host, port)
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return shortport.ssl(host, port) or sslcert.isPortSupported(port)
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return shortport.ssl(host, port) or sslcert.isPortSupported(port)
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end
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local function recvmsg(s)
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local status, hdr = s:receive_buf(match.numbytes(5), true)
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if not status then
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stdnse.print_debug(3, 'Unexpected EOF receiving record header - server closed connection')
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return
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end
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local pos, typ, ver, ln = bin.unpack('>CSS', hdr)
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local pay
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status, pay = s:receive_buf(match.numbytes(ln), true)
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if not status then
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stdnse.print_debug(3, 'Unexpected EOF receiving record payload - server closed connection')
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return
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end
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return true, typ, ver, pay
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local status, hdr = s:receive_buf(match.numbytes(5), true)
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if not status then
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stdnse.print_debug(3, 'Unexpected EOF receiving record header - server closed connection')
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return
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end
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local pos, typ, ver, ln = bin.unpack('>CSS', hdr)
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local pay
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status, pay = s:receive_buf(match.numbytes(ln), true)
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if not status then
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stdnse.print_debug(3, 'Unexpected EOF receiving record payload - server closed connection')
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return
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end
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return true, typ, ver, pay
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end
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action = function(host, port)
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local vuln_table = {
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title = "The Heartbleed Bug is a serious vulnerability in the popular OpenSSL cryptographic software library. It allows for stealing information intended to be protected by SSL/TLS encryption.",
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state = vulns.STATE.NOT_VULN,
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risk_factor = "High",
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description = [[
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local vuln_table = {
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title = "The Heartbleed Bug is a serious vulnerability in the popular OpenSSL cryptographic software library. It allows for stealing information intended to be protected by SSL/TLS encryption.",
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state = vulns.STATE.NOT_VULN,
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risk_factor = "High",
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description = [[
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OpenSSL versions 1.0.1 and 1.0.2-beta releases (including 1.0.1f and 1.0.2-beta1) of OpenSSL are affected by the Heartbleed bug. The bug allows for reading memory of systems protected by the vulnerable OpenSSL versions and could allow for disclosure of otherwise encrypted confidential information as well as the encryption keys themselves.
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]],
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]],
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references = {
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'https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-0160',
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'http://www.openssl.org/news/secadv_20140407.txt ',
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'http://cvedetails.com/cve/2014-0160/'
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}
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}
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references = {
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'https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-0160',
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'http://www.openssl.org/news/secadv_20140407.txt ',
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'http://cvedetails.com/cve/2014-0160/'
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}
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}
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local hello = bin.pack('H', [[16 03 02 00 dc 01 00 00 d8 03 02 53
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43 5b 90 9d 9b 72 0b bc 0c bc 2b 92 a8 48 97 cf
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bd 39 04 cc 16 0a 85 03 90 9f 77 04 33 d4 de 00
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00 66 c0 14 c0 0a c0 22 c0 21 00 39 00 38 00 88
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00 87 c0 0f c0 05 00 35 00 84 c0 12 c0 08 c0 1c
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c0 1b 00 16 00 13 c0 0d c0 03 00 0a c0 13 c0 09
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c0 1f c0 1e 00 33 00 32 00 9a 00 99 00 45 00 44
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c0 0e c0 04 00 2f 00 96 00 41 c0 11 c0 07 c0 0c
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c0 02 00 05 00 04 00 15 00 12 00 09 00 14 00 11
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00 08 00 06 00 03 00 ff 01 00 00 49 00 0b 00 04
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03 00 01 02 00 0a 00 34 00 32 00 0e 00 0d 00 19
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00 0b 00 0c 00 18 00 09 00 0a 00 16 00 17 00 08
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00 06 00 07 00 14 00 15 00 04 00 05 00 12 00 13
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00 01 00 02 00 03 00 0f 00 10 00 11 00 23 00 00
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00 0f 00 01 01]])
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local hello = bin.pack('H', [[16 03 02 00 dc 01 00 00 d8 03 02 53
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43 5b 90 9d 9b 72 0b bc 0c bc 2b 92 a8 48 97 cf
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bd 39 04 cc 16 0a 85 03 90 9f 77 04 33 d4 de 00
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00 66 c0 14 c0 0a c0 22 c0 21 00 39 00 38 00 88
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00 87 c0 0f c0 05 00 35 00 84 c0 12 c0 08 c0 1c
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c0 1b 00 16 00 13 c0 0d c0 03 00 0a c0 13 c0 09
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c0 1f c0 1e 00 33 00 32 00 9a 00 99 00 45 00 44
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c0 0e c0 04 00 2f 00 96 00 41 c0 11 c0 07 c0 0c
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c0 02 00 05 00 04 00 15 00 12 00 09 00 14 00 11
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00 08 00 06 00 03 00 ff 01 00 00 49 00 0b 00 04
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03 00 01 02 00 0a 00 34 00 32 00 0e 00 0d 00 19
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00 0b 00 0c 00 18 00 09 00 0a 00 16 00 17 00 08
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00 06 00 07 00 14 00 15 00 04 00 05 00 12 00 13
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00 01 00 02 00 03 00 0f 00 10 00 11 00 23 00 00
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00 0f 00 01 01]])
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local hb = bin.pack('H', '18 03 02 00 03 01 40 00')
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local hb = bin.pack('H', '18 03 02 00 03 01 40 00')
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local report = vulns.Report:new(SCRIPT_NAME, host, port)
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local s = nmap.new_socket()
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s:set_timeout(5000)
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s:connect(host, port, "tcp")
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s:send(hello)
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while(true) do
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local status, typ, ver, pay = recvmsg(s)
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if not status then
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return report:make_output(vuln_table)
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end
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if ( typ == 22 and string.byte(pay,1) == 14 ) then break end
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end
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local report = vulns.Report:new(SCRIPT_NAME, host, port)
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local s = nmap.new_socket()
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s:set_timeout(5000)
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s:connect(host, port, "tcp")
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s:send(hello)
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s:send(hb)
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while(true) do
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local status, typ, ver, pay = recvmsg(s)
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if not status then
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stdnse.print_debug(3, 'No heartbeat response received, server likely not vulnerable')
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break
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end
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if typ == 24 then
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s:close()
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if #pay > 3 then
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vuln_table.state = vulns.STATE.VULN
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break
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else
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stdnse.print_debug(3, 'Server processed malformed heartbeat, but did not return any extra data.')
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break
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end
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elseif typ == 21 then
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stdnse.print_debug(3, 'Server returned error, likely not vulnerable')
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break
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end
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end
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return report:make_output(vuln_table)
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while(true) do
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local status, typ, ver, pay = recvmsg(s)
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if not status then
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return report:make_output(vuln_table)
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end
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if ( typ == 22 and string.byte(pay,1) == 14 ) then break end
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end
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s:send(hb)
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while(true) do
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local status, typ, ver, pay = recvmsg(s)
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if not status then
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stdnse.print_debug(3, 'No heartbeat response received, server likely not vulnerable')
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break
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end
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if typ == 24 then
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s:close()
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if #pay > 3 then
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vuln_table.state = vulns.STATE.VULN
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break
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else
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stdnse.print_debug(3, 'Server processed malformed heartbeat, but did not return any extra data.')
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break
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end
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elseif typ == 21 then
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stdnse.print_debug(3, 'Server returned error, likely not vulnerable')
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break
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end
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end
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return report:make_output(vuln_table)
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end
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