CVE-2019-7651 Information

Description

EPP.sys in Emsisoft Anti-Malware prior to version 2018.12 allows an attacker to bypass ACLs because Interpreted Device Characteristics lacks FILE_DEVICE_SECURE_OPEN and therefore files and directories \inside\ the \\.\EPP device are not properly protected leading to unintended impersonation or object creation. This vulnerability has been fixed in version 2018.12 and later.

CVSS Vector

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

Reference

https://blog.emsisoft.com/en/32517/new-in-2018-12-safe-web-browsing-with-emsisoft-browser-security/ https://github.com/nafiez/nafiez.github.io/blob/master/_posts/2019-01-09-emsisoft-Anti-Malware-bypass.md https://help.emsisoft.com/en/1760/vulnerability-report-en/ https://nafiez.github.io/security/bypass/2019/01/08/emsisoft-Anti-Malware-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