CVE-2017-11587,11588 sigs

[Y M via Snort-sigs <snort-sigs () lists snort org>]

Hello,


Below rules are derived from references. No pcaps available.



alert tcp $EXTERNAL_NET any -> $HOME_NET $HTTP_PORTS (msg:"SERVER-WEBAPP Cisco DDR2200 ADSL gateway directory traversal 
attempt"; flow:to_server,established; content:"GET"; http_method; content:"/download.conf?filename=/"; 
fast_pattern:only; http_uri; metadata:ruleset community, service http; reference:cve,2017-11587; 
reference:url,seclists.org/fulldisclosure/2017/Jul/26; classtype:attempted-admin; sid:1100004; rev:1;)

alert tcp $EXTERNAL_NET any -> $HOME_NET $HTTP_PORTS (msg:"SERVER-WEBAPP Cisco DDR2200 ADSL gateway directory traversal 
attempt"; flow:to_server,established; content:"GET"; http_method; content:"/download.conf?filename=../"; 
fast_pattern:only; http_uri; metadata:ruleset community, service http; reference:cve,2017-11587; 
reference:url,seclists.org/fulldisclosure/2017/Jul/26; classtype:attempted-admin; sid:1100005; rev:1;)

alert tcp $EXTERNAL_NET any -> $HOME_NET $HTTP_PORTS (msg:"SERVER-WEBAPP Cisco DDR2200 ADSL gateway privilege 
escalation attempt"; flow:to_server,established; content:"GET"; http_method; content:"/waitPingqry?showPingResult"; 
fast_pattern:only; http_uri; content:"&pingAddr=|3B 2F|"; http_uri; metadata:ruleset community, service http; 
reference:cve,2017-11588; reference:url,seclists.org/fulldisclosure/2017/Jul/26; classtype:attempted-admin; 
sid:1100006; rev:1;)

Thanks.
YM

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