module

ua-parser-js npm module ReDoS

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Disclosed
01/01/1970
Created
06/14/2018

Description

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.

Authors

Ryan Knell, Sonatype Security ResearchNick Starke, Sonatype Security Research

References

Module Options

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_redos
    msf /(s) > show actions
        ...actions...
    msf /(s) > set ACTION < action-name >
    msf /(s) > show options
        ...show and set options...
    msf /(s) > run
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