Affected Version(s)
| Product | Affected Version(s) | Platform | Language(s) |
|---|---|---|---|
| InterScan Web Security Virtual Appliance (IWSVA) | Version 6.5 | Virtual Appliance | English |
Solution
Trend Micro has released the following solutions to address the issue:
| Product | Updated version | Notes | Platform | Availability |
|---|---|---|---|---|
| IWSVA | 6.5 SP2 Patch 4 (Build 1901) | Readme | Virtual Appliance | Now Available |
This is the minimum version(s) of the patch and/or build 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
This update resolves multiple vulnerabilities in Trend Micro InterScan Web Security Virtual Appliance (IWSVA) 6.5 :
1. CVE-2020-8603 (CVSSv3 5.3): The product is affected by a cross-site scripting (XSS) vulnerability.
2. CVE-2020-8604 (CVSSv3 7.5): A remote attacker could potentially attain directory traversal abilities on the server, leading to information disclosure.
3. CVE-2020-8605 (CVSSv3 8.8): An authenticated remote attacker could exploit a command injection vulnerability in the product, leading to remote code execution (RCE).
4. CVE-2020-8606 (CVSSv3 9.8): An unauthenticated attacker may bypass authentication and access part of the application as an admin if the proxy is set to a certain port.
Due to the seriousness of these vulnerabilities, customers are highly encouraged to update to the latest build as soon as possible.
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:
- (All CVEs) - Mehmet INCE (@mdisec) working with Trend Micro's Zero Day Initiative
External Reference(s)
- ZDI-20-675
- ZDI-20-676
- ZDI-20-677
- ZDI-20-678