CVE-2018-6235 Memory corruption in Trend Micro Maximum Security

High 7.8 Published 25 May 2018 Updated 5 Aug 2024

A local attacker can escalate privileges via an out-of-bounds write in the Trend Micro Maximum Security driver.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2018-6235?

CVE-2018-6235 is a high-severity memory corruption vulnerability in Trend Micro Maximum Security, published on 25 May 2018. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An Out-of-Bounds write privilege escalation vulnerability in Trend Micro Maximum Security (Consumer) 2018 could allow a local attacker to escalate privileges on vulnerable installations due to a flaw within processing of IOCTL 0x222814 by the tmnciesc.sys driver. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

Weakness: CWE-787

Which versions are affected by CVE-2018-6235?

It affects 4 products.

Products include Trendmicro Antivirus\+, Trendmicro Internet Security, Trendmicro Maximum Security, Trendmicro Premium Security.

How do I fix CVE-2018-6235?

No fix has been published for CVE-2018-6235 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2018-6235 being exploited?

There is no known exploitation of CVE-2018-6235 in the wild and no public exploit code.

Sources

Also known as GHSA-82jf-8xm9-rw3c.