Release Date: April 4, 2018
Updated: May 2, 2018
CVE Vulnerability Identifiers: CVE-2018-6232 through CVE-2018-6236
Platform: Windows
CVSS 3.0 Scores: 4.6 – 7.2
Severity Ratings: Medium and High
Summary
Trend Micro has released fixes for the Trend Micro Security 2018 (version 12.0) family of consumer products which resolve multiple vulnerabilities that if exploited, could allow an attacker to run arbitrary code or disclose information on a vulnerable system.
Affected versions
| Product | Affected Versions | Platform | Language(s) |
|---|---|---|---|
| Premium Security | 12.0 and below | Microsoft Windows | English |
| Maximum Security | 12.0 and below | Microsoft Windows | English |
| Internet Security | 12.0 and below | Microsoft Windows | English |
| Antivirus + Security | 12.0 and below | Microsoft Windows | English |
Solution
Trend Micro has addressed these vulnerabilities via a patch that was made available through the product’s automatic ActiveUpdate feature in mid-March 2018 for all versions of Trend Micro Security 2018 (version 12). Customers who have the latest update (12.0.1226 as of March 28, 2018) will already have the necessary patch applied.
Vulnerability Details
This patch includes mitigations for the following vulnerabilities:
- CVE-2018-6232: Buffer Overflow Privilege Escalation (READONLY_MEMORY)
- CVE-2018-6233: Buffer Overflow Privilege Escalation (BAD_POOL_HEADER)
- CVE-2018-6234: Out-Of-Bounds Read Information Disclosure
- CVE-2018-6235: Out-Of-Bounds Write Information Disclosure
- CVE-2018-6236: Time-Of-Check/Time-Of-Use Privilege Escalation
Trend Micro has received no reports nor is aware of any actual attacks against the affected products related to this vulnerability at this time.
Mitigating Factors
Exploiting these types of vulnerabilities require that an attacker has access (physical or remote) to a vulnerable machine.
Even though an exploit may require several specific conditions to be met, Trend Micro strongly encourages customers to upgrade to the latest build as soon as possible.
Acknowledgement
Trend Micro would like to thank the following individuals and/or organizations for responsibly disclosing these issues and working with Trend Micro to help protect our customers:
- Anonymous working with Trend Micro's Zero Day Initiative
External References
The following advisories may be found at the Trend Micro's Zero Day Initiative Published Advisories site:
| CVE-2018-6232 | ZDI-18-266 |
| CVE-2018-6233 | ZDI-18-267 |
| CVE-2018-6234 | ZDI-18-268 |
| CVE-2018-6235 | ZDI-18-269 |
| CVE-2018-6236 | ZDI-18-418 |