Trend Micro Anti-Virus KERedirect Untrusted Pointer Dereference Privilege Escalation Vulnerability
Vulnerability Details
This vulnerability allows local attackers to escalate privileges on vulnerable installations of Trend Micro Anti-Virus. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.
The specific flaw exists within the KERedirect kext. The issue results from the lack of proper validation of a user-supplied value prior to dereferencing it as a pointer. An attacker can leverage this vulnerability to execute code in the context of the kernel.
Additional Details
Trend Micro has issued an update to correct this vulnerability. More details can be found at:
https://esupport.trendmicro.com/en-US/home/pages/technical-support/1121296.aspx
Disclosure Timeline
- 2018-06-22 - Vulnerability reported to vendor
- 2018-10-19 - Coordinated public release of advisory
- 2018-10-19 - Advisory Updated
Credit
vms
