A UrlfWTPPagePtr KERedirect Use-After-Free Privilege Escalation vulnerability in Trend Micro Antivirus for Mac (Consumer) 7.0 (2017) and above could allow a local attacker to escalate privileges on vulnerable installations. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.
Weakness
The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory “belongs” to the code that operates on the new pointer.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Antivirus_for_mac_2017 | Trendmicro | 7.0 (including) | 7.1.1124 (including) |
| Antivirus_for_mac_2018 | Trendmicro | 8.0 (including) | 8.0.3082 (including) |
| Antivirus_for_mac_2019 | Trendmicro | 9.0 (including) | 9.0.1356 (including) |
Potential Mitigations
References
- http://www.securityfocus.com/bid/105757
- https://esupport.trendmicro.com/en-US/home/pages/technical-support/1121296.aspx
- https://esupport.trendmicro.com/solution/ja-jp/1121350.aspx
- https://www.zerodayinitiative.com/advisories/ZDI-18-1293/
- http://www.securityfocus.com/bid/105757
- https://esupport.trendmicro.com/en-US/home/pages/technical-support/1121296.aspx
- https://esupport.trendmicro.com/solution/ja-jp/1121350.aspx
- https://www.zerodayinitiative.com/advisories/ZDI-18-1293/