CVE-2016-9554

The Sophos Web Appliance Remote / Secure Web Gateway server (version 4.2.1.3) is vulnerable to a Remote Command Injection vulnerability in its web administrative interface. These vulnerabilities occur in MgrDiagnosticTools.php (/controllers/MgrDiagnosticTools.php), in the component responsible for performing diagnostic tests with the UNIX wget utility. The application doesn't properly escape the information passed in the 'url' variable before calling the executeCommand class function ($this->dtObj->executeCommand). This function calls exec() with unsanitized user input allowing for remote command injection. The page that contains the vulnerabilities, /controllers/MgrDiagnosticTools.php, is accessed by a built-in command answered by the administrative interface. The command that calls to that vulnerable page (passed in the 'section' parameter) is: 'configuration'. Exploitation of this vulnerability yields shell access to the remote machine under the 'spiderman' user account.

• CWE-77

• http://pastebin.com/UB8Ye6ZUExploit
• http://www.securityfocus.com/bid/95858Third Party Advisory, VDB Entry
• https://community.sophos.com/products/web-appliance/b/blog/posts/release-of-swa-version-4-3-1Release Notes
• http://pastebin.com/UB8Ye6ZUExploit
• http://www.securityfocus.com/bid/95858Third Party Advisory, VDB Entry
• https://community.sophos.com/products/web-appliance/b/blog/posts/release-of-swa-version-4-3-1Release Notes

Published

Jan 28, 2017

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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