CVE-2019-9742 Information

Description

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.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Reference

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

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

HIGH

Base Score

NONE

Base Severity

7.5