alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET EXPLOIT FortiOS? SSL VPN - Pre-Auth Messages Payload Buffer Overflow (CVE-2018-13381)"; flow:established,to_server; content:"&msg=%26%23%3c"; http_client_body; fast_pattern; nocase; pcre:"/(?:\%3C){1000}/RPi"; http_start; content:"POST /message HTTP/1.1"; metadata: former_category EXPLOIT; reference:cve,CVE-2018-13381; reference:url,blog.orange.tw/2019/08/attacking-ssl-vpn-part-2-breaking-the-fortigate-ssl-vpn.html; classtype:attempted-admin; sid:2027884; rev:2; metadata:affected_product Fortigate, attack_target Networking_Equipment, deployment Perimeter, deployment SSLDecrypt, signature_severity Major, created_at 2019_08_14, performance_impact Low, updated_at 2019_08_14;)

Added 2019-08-14 19:11:48 UTC


Topic revision: r1 - 2019-08-14 - TWikiGuest
 
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