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Affected Version(s)

ProductAffected Version(s) Platform Language(s) 
Deep Security Agent
(Including Cloud One - Endpoint and Workload Security) 
20.0WindowsEnglish


Solution

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

ProductUpdated version NotesPlatform Availability 
Deep Security Agent 20.0.0-8438 for Windows
(20 LTS Update 2023-12-12) 
Deep Security Help Center  WindowsAvailable Now 

Please note that one of the below listed vulnerabilities may have been addressed in an earlier patch; however, Trend Micro highly encourages customers to always obtain the latest cumulative patch build of the product to ensure all known issues are resolved.

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-2023-52337Improper Access Control Local Privilege Escalation Vulnerability 
ZDI-CAN-16568
CVSSv3: 7.8: AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

An improper access control vulnerability in Trend Micro Deep Security 20.0 and Trend Micro Cloud One - Endpoint and Workload Security Agent could allow a local attacker to escalate privileges on affected installations.

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

CVE-2023-52338:  Link Following Local Privilege Escalation Vulnerability 
ZDI-CAN-21780
CVSSv3: 7.8: AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

A link following vulnerability in the Trend Micro Deep Security 20.0 and Trend Micro Cloud One - Endpoint and Workload Security Agent could allow a local attacker to escalate privileges on affected installations.

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:


External Reference(s)

The following advisories may be found at Trend Micro's Zero Day Initiative Published Advisories site:
  • ZDI-CAN-16568
  • ZDI-CAN-21780