Trend Micro Antivirus for Mac Symbolic Link Privilege Escalation Vulnerability
Vulnerability Details
This vulnerability allows local attackers to escalate privileges on affected installations of Trend Micro Antivirus for Mac. 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 iTISPlugin module. By creating a symbolic link, an attacker can abuse the product to loosen permissions on a local file. An attacker can leverage this vulnerability to escalate privileges and execute code in the context of root.
Additional Details
Trend Micro has issued an update to correct this vulnerability. More details can be found at:
https://helpcenter.trendmicro.com/en-us/article/TMKA-09924
Disclosure Timeline
- 2020-06-02 - Vulnerability reported to vendor
- 2020-10-01 - Coordinated public release of advisory
Credit
Cees Elzinga from Danish Cyber Defence
