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CVE-2016-9554: The Sophos Web Appliance Remote / Secure Web Gateway server (version 4.2.1.3) is vulnerable to a Remote Com...

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.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysis

Security readout for executives and security teams

CVE-2016-9554 is a command injection flaw in Sophos Web Appliance / Secure Web Gateway 4.2.1.3. If an attacker can reach and use the administrative interface, they may execute operating-system commands on the appliance. This can turn a web security device into a foothold inside the network. Exposure is likely limited to organizations running Sophos Web Appliance / Secure Web Gateway version 4.2.1.3. Risk increases if the administrative interface is reachable from untrusted networks or broadly accessible internally. Prioritize if Sophos Web Appliance is still deployed, especially with exposed management access. This is an older CVE, but command execution on a security gateway can support network compromise. Confirm version and remediation status promptly. Mitigation focus: Identify any Sophos Web Appliance / Secure Web Gateway 4.2.1.3 systems.; Restrict administrative interface access to trusted management networks only.; Review Sophos SWA 4.3.1 release guidance and upgrade if it addresses this issue..

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
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