This module exploits a directory traversal vulnerability (CVE-2019-19781) within Citrix ADC (NetScaler). It requests the smb.conf file located in the /vpns/cfg directory by issuing the request /vpn/../vpns/cfg/smb.conf. It then checks if the server is vulnerable by looking for the presence of a "[global]" directive in smb.conf, which this file should always contain.
To display the available options, load the module within the Metasploit console and run the commands 'show options' or 'show advanced':
msf > use auxiliary/scanner/http/citrix/dir_traversalmsf undefined(dir_traversal) > show actions ...actions...msf undefined(dir_traversal) > set ACTION < action-name >msf undefined(dir_traversal) > show options ...show and set options...msf undefined(dir_traversal) > 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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