CVE-2021-32457 Memory corruption in Trend Micro Home Network Security
A stack-based buffer overflow in Trend Micro Home Network Security allows local attackers to escalate privileges on affected devices.
- 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-2021-32457?
CVE-2021-32457 is a high-severity memory corruption vulnerability in Trend Micro Home Network Security, published on 26 May 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Trend Micro Home Network Security version 6.6.604 and earlier is vulnerable to an iotcl stack-based buffer overflow vulnerability which could allow an attacker to issue a specially crafted iotcl to escalate privileges on affected devices. An attacker must first obtain the ability to execute low-privileged code on the target device in order to exploit this vulnerability.
Weakness: CWE-787
Which versions are affected by CVE-2021-32457?
It affects 1 product.
Products include Trendmicro Home Network Security.
How do I fix CVE-2021-32457?
No fix has been published for CVE-2021-32457 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-2021-32457 being exploited?
There is no known exploitation of CVE-2021-32457 in the wild and no public exploit code.
Other vulnerabilities in Trend Micro Home Network Security
Sources
Also known as GHSA-gc5v-4mhp-vqp4.