Trend Micro InterScan Web Security Virtual Appliance uihelper Privilege Escalation VulnerabilityZDI-17-225: March 30th, 2017
InterScan Web Security Virtual Appliance
This vulnerability allows attackers to escalate privileges on vulnerable installations of Trend Micro InterScan Web Security Virtual Appliance. Authentication is required to exploit this vulnerability.
The specific flaw exists within the uihelper application. The issue lies in the default configuration that allows the iscan user to execute commands under different privileges. An attacker can leverage this flaw in conjunction with other vulnerabilities to execute arbitrary code in the context of root.
Vendor ResponseTrend Micro has issued an update to correct this vulnerability. More details can be found at:
2017-01-05 - Vulnerability reported to vendor
2017-03-30 - Coordinated public release of advisory
CreditThis vulnerability was discovered by:
Steven Seeley of Source Incite