CVE-2017-14086 Denial of service in Trend Micro OfficeScan

High 7.5 Published Updated

Unauthenticated attackers can cause disk space exhaustion and service disruption by triggering continuous HTTP requests that generate dump files.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2017-14086?

CVE-2017-14086 is a high-severity denial of service vulnerability in Trendmicro Officescan, published on 5 Oct 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Pre-authorization Start Remote Process vulnerabilities in Trend Micro OfficeScan 11.0 and XG may allow unauthenticated users who can access the OfficeScan server to start the fcgiOfcDDA.exe executable or cause a potential INI corruption, which may cause the server disk space to be consumed with dump files from continuous HTTP requests.

Weakness: CWE-400

Which versions are affected by CVE-2017-14086?

It affects 1 product.

Products include Trendmicro Officescan.

How do I fix CVE-2017-14086?

No fix has been published for CVE-2017-14086 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2017-14086 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2017-14086 exists.

Public exploit code: 1 Exploit-DB entry.

All Trendmicro Officescan vulnerabilities

Sources

Also known as GHSA-jp95-4qv6-mgv5.

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