Trend Micro InterScan Web Security Virtual Appliance Command Injection Remote Code Execution Vulnerability

May 27th, 2020
ZDI-20-676 ZDI-CAN-10095

CVE ID

CVE-2020-8605

CVSS Score

8.8 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Vendors

Trend Micro

Affected Products

InterScan Web Security Virtual Appliance

Vulnerability Details

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Trend Micro InterScan Web Security Virtual Appliance. Authentication is required to exploit this vulnerability.

The specific flaw exists within the LogSettingHandler class. When parsing the mount_device parameter, the process does not properly validate a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root.

Additional Details

https://success.trendmicro.com/solution/000253095


Disclosure Timeline

  • 2020-01-17 - Vulnerability reported to vendor
  • 2020-05-27 - Coordinated public release of advisory
  • 2020-05-28 - Advisory Updated

Credit

Mehmet INCE (@mdisec)

Back to Advisories