Rule History

SID: 2020912 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 5 • Apr 15, 2015, 12:00 PM

Message:

ET WEB_SERVER Possible IIS Integer Overflow DoS (CVE-2015-1635)

Rule:

alert http any any -> $HTTP_SERVERS any (msg:"ET WEB_SERVER Possible IIS Integer Overflow DoS (CVE-2015-1635)"; flow:established,to_server; http.header; content:"Range|3a|"; nocase; content:"18446744073709551615"; fast_pattern; distance:0; pcre:"/^Range\x3a[^\r\n]*?18446744073709551615/mi"; reference:cve,2015-1635; classtype:web-application-attack; sid:2020912; rev:5; metadata:created_at 2015_04_15, cve CVE_2015_1635, confidence Medium, signature_severity Major, tag CISA_KEV, updated_at 2020_10_13;)

Created:

Apr 15, 2015, 12:00 PM

Updated:

Oct 13, 2020, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

May 30, 2025, 12:04 AM

Filename:

rules/emerging-web_server.rules