This module exploits a Regular Expression Denial of Service vulnerability in the npm module "ua-parser-js". Server-side applications that use "ua-parser-js" for parsing the browser user-agent string will be vulnerable if they call the "getOS" or "getResult" functions. This vulnerability was fixed as of version 0.7.16.
To display the available options, load the module within the Metasploit console and run the commands 'show options' or 'show advanced':
msf > use auxiliary/dos/http/ua/parser_js_redosmsf undefined(parser_js_redos) > show actions ...actions...msf undefined(parser_js_redos) > set ACTION < action-name >msf undefined(parser_js_redos) > show options ...show and set options...msf undefined(parser_js_redos) > runWith curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
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