gdwfpcd.sys in G Data Total Security before 2019-02-22 allows an attacker to bypass ACLs because Interpreted Device Characteristics lacks FILE_DEVICE_SECURE_OPEN and therefore files and directories “inside” the .gdwfpcd device are not properly protected, leading to unintended impersonation or object creation.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-9742
Reference (s):
- https://github.com/nafiez/nafiez.github.io/blob/master/_posts/2019-03-13-gdata-total-security-acl-bypass.md
- https://nafiez.github.io/security/bypass/2019/03/12/gdata-total-security-acl-bypass.html

