|CVSS SCORE||7.8, (AV:N/AC:L/Au:N/C:C/I:N/A:N)|
|TIPPINGPOINT™ IPS CUSTOMER PROTECTION||TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 24399. For further product information on the TippingPoint IPS: http://www.tippingpoint.com|
The specific flaw exists within processing of sendmail.php. The applet allows callers to select arbitrary files to send to an arbitrary email address. This allows the attacker to exfiltrate arbitrary files from the system.
Schneider Electric states:
03/29/2016 - ZDI disclosed the vulnerability reports to ICS-CERT (with an expected 'due date' of 07/27/16).
Given the nature of the vulnerability, the only salient mitigation strategy is to restrict interaction with the service to trusted machines. Only the clients and servers that have a legitimate procedural relationship with the service should be permitted to communicate with it. This could be accomplished in a number of ways, most notably with firewall rules/whitelisting. These features are available in the native Windows Firewall, as described in http://technet.microsoft.com/en-us/library/cc725770%28WS.10%29.aspx and numerous other Microsoft Knowledge Base articles.