Advisory Details

December 15th, 2016

Sophos XG Firewall Controller filter SQL Injection Remote Code Execution Vulnerability

CVE ID
CVSS SCORE	6.5, AV:N/AC:L/Au:S/C:P/I:P/A:P
AFFECTED VENDORS	Sophos
AFFECTED PRODUCTS	XG Firewall
VULNERABILITY DETAILS	This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Sophos XG Firewall. Authentication is required to exploit this vulnerability. The specific flaw exists within the handling of the filter parameter provided to the /userportal/Controller endpoint. The issue lies in the failure to properly validate a user-supplied string before using it to construct SQL queries. An attacker can leverage this vulnerability to execute arbitrary code under the context of the database.
ADDITIONAL DETAILS	Sophos has issued an update to correct this vulnerability. More details can be found at: https://blogs.sophos.com/2016/10/04/xg-firewall-v16-has-arrived/
DISCLOSURE TIMELINE	2016-06-06 - Vulnerability reported to vendor 2016-12-15 - Coordinated public release of advisory
CREDIT	Alexander Innes

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