Affected Version(s)

* Please note that Worry-Free Business Security Services are not affected.

Solution

Trend Micro has released the following solution to address the issue:

These are the minimum recommended version(s) of the patches and/or builds required to address the issue. Trend Micro highly encourages customers to obtain the latest version of the product if there is a newer one available than the one listed in this bulletin.

Customers are encouraged to visit Trend Micro’s Download Center to obtain prerequisite software (such as Service Packs) before applying any of the solutions above.

Vulnerability Details

CVE-2022-23805:  Security Out-Of-Bounds Read Information Disclosure Vulnerability 
CVSSv3: 3.3: AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
A security out-of-bounds read information disclosure vulnerability in Trend Micro  Worry-Free Business Security Server could allow a local attacker to send garbage data to a specific named pipe and crash the server.

Please note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

Mitigating Factors

Exploiting these type of vulnerabilities generally require that an attacker has access (physical or remote) to a vulnerable machine. In addition to timely application of patches and updated solutions, customers are also advised to review remote access to critical systems and ensure policies and perimeter security is up-to-date.

However, even though an exploit may require several specific conditions to be met, Trend Micro strongly encourages customers to update to the latest builds as soon as possible.

Acknowledgement

Trend Micro would like to thank the following individuals for responsibly disclosing these issues and working with Trend Micro to help protect our customers:

• @Kharosx0 working with Trend Micro's Zero Day Initiative

External Reference(s)

• ZDI-CAN-13856