Advisory Details

March 30th, 2017

Trend Micro InterScan Web Security Virtual Appliance uihelper Privilege Escalation Vulnerability

CVE ID
CVSS SCORE	7.2, AV:L/AC:L/Au:N/C:C/I:C/A:C
AFFECTED VENDORS	Trend Micro
AFFECTED PRODUCTS	InterScan Web Security Virtual Appliance
VULNERABILITY DETAILS	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.
ADDITIONAL DETAILS	Trend Micro has issued an update to correct this vulnerability. More details can be found at: https://success.trendmicro.com/solution/1116960
DISCLOSURE TIMELINE	2017-01-05 - Vulnerability reported to vendor 2017-03-30 - Coordinated public release of advisory
CREDIT	Steven Seeley of Source Incite

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