ZDI-CAN-5461: Trend Micro Maximum Security tmnciesc Out-Of-Bounds Write Privilege Escalation Vulnerability
This vulnerability allows local attackers to escalate privileges on vulnerable installations of Trend Micro Maximum Security. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within processing of IOCTL 0x222814 by the tmnciesc.sys driver. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated buffer. An attacker can leverage this vulnerability to escalate privileges to resources normally protected from the application.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Trend Micro Maximum Security 2022 |
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Reference Links
Frequently Asked Questions
What is the severity of ZDI-CAN-5461?
The severity of ZDI-CAN-5461 is critical due to its potential to allow local privilege escalation.
How do I fix ZDI-CAN-5461?
To fix ZDI-CAN-5461, update Trend Micro Maximum Security to the latest version provided by the vendor.
Who is affected by ZDI-CAN-5461?
ZDI-CAN-5461 affects users of Trend Micro Maximum Security installations that have not been patched.
What type of attack does ZDI-CAN-5461 facilitate?
ZDI-CAN-5461 facilitates a local privilege escalation attack, requiring low-privileged code execution first.
What must an attacker do to exploit ZDI-CAN-5461?
An attacker must first execute low-privileged code on the target system to exploit ZDI-CAN-5461.
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