CVE-2017-11391 Command injection in Trend Micro InterScan Messaging Security Virtual Appliance

High 8.8 Published 3 Aug 2017 Updated 17 Sep 2024

Remote attackers can execute arbitrary code on Trend Micro InterScan Messaging Virtual Appliance via command injection in the proxy module.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2017-11391?

CVE-2017-11391 is a high-severity command injection vulnerability in Trend Micro InterScan Messaging Security Virtual Appliance, published on 3 Aug 2017. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Proxy command injection vulnerability in Trend Micro InterScan Messaging Virtual Appliance 9.0 and 9.1 allows remote attackers to execute arbitrary code on vulnerable installations. The specific flaw can be exploited by parsing the "t" parameter within modTMCSS Proxy. Formerly ZDI-CAN-4744.

Weakness: CWE-77

Which versions are affected by CVE-2017-11391?

It affects 1 product.

Products include Trendmicro Interscan Messaging Security Virtual Appliance.

How do I fix CVE-2017-11391?

No fix has been published for CVE-2017-11391 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2017-11391 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2017-11391 exists.

Public exploit code: 1 Metasploit module.

Sources

Also known as GHSA-j9pc-9px3-mp86.