Affected Version(s)
| Product | Affected Version(s) | Platform | Language(s) |
|---|---|---|---|
| Apex One | 2019 (On-prem) Server Build 11110 | Windows | English |
| Apex One as a Service | Versions before January 2023 maintenance | Windows | English |
Solution
Trend Micro has released the following solutions to address the issue:
| Product | Updated version | Notes | Platform | Availability |
|---|---|---|---|---|
| Apex One | Service Pack SP1 b11564 (repack) | Readme | Windows | Now Available |
| Apex One as a Service | January 2023 Maintenance Hotfix - Build 202301 Security Agent version: 14.0.11960 | Readme | Windows | Now Available |
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-2023-0587: File Upload Vulnerability CVSSv3: 8.2: AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
A file upload vulnerability in Trend Micro Apex One could allow a remote attacker to upload arbitrary files to a specific directory, allowing the attacker to upload a large number of files to fill up the file system on the affected server.
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:
- Tenable Research
External Reference(s)
- Tenable Advisory ID: TRA-2023-5