TippingPoint Zero Day Initiative

Symantec Web Gateway Shell Command Injection Remote Code Execution Vulnerability

ZDI-12-090: June 8th, 2012


CVSS Score

Affected Vendors

Affected Products

    Web Gateway

Vulnerability Details

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Symantec Web Gateway. Authentication is not required to exploit this vulnerability.

The specific flaw exists due to insufficiently filtered user-supplied data used in a call to exec() in multiple script pages. The affected scripts are located in '/spywall/ipchange.php' and 'network.php'. There is also a flaw in '/spywall/download_file.php' that allows unauthenticated users to download and delete any file on the server.

Vendor Response

Symantec has issued an update to correct this vulnerability. More details can be found at:

Disclosure Timeline

    2011-11-22 - Vulnerability reported to vendor
    2012-06-08 - Coordinated public release of advisory


This vulnerability was discovered by:
    Tenable Network Security