Affected Version(s)
| Product | Affected Version(s) | Platform | Language(s) |
|---|---|---|---|
| Apex One | 2019 (On-prem) | Windows | English |
| Apex One as a Service | SaaS | Windows | English |
Solution
Trend Micro has released the following solutions to address the issue:
| Product | Updated version | Notes | Platform | Availability |
|---|---|---|---|---|
| Apex One | SP1 CP b11136 | Readme | Windows | Now Available |
| Apex One as a Service | Hotfix Build 202211 Agent 14.0.11840 | Details | 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-2022-45797: Arbitrary File Deletion Local Privilege Escalation Vulnerability CVSSv3: 7.5: AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:H
An arbitrary file deletion vulnerability in the Damage Cleanup Engine component of Trend Micro Apex One and Trend Micro Apex One as a Service could allow a local attacker to escalate privileges and delete files 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-2022-45798: Damage Cleanup Engine Link Following Local Privilege Escalation Vulnerability
ZDI-CAN-16543
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 Damage Cleanup Engine component of Trend Micro Apex One and Trend Micro Apex One as a Service could allow a local attacker to escalate privileges by creating a symbolic link and abusing the service to delete a file.
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:
- CVE-2022-45797: Or Yair (@oryair1999), Security Researcher at SafeBreach
- CVE-2022-45798: Abdelhamid Naceri working with Trend Micro's Zero Day Initiative
External Reference(s)
- ZDI-CAN-16543