CVE-2019-18194 — HIGH (7.8)

Vulnerability Description

TotalAV 2020 4.14.31 has a quarantine flaw that allows privilege escalation. Exploitation uses an NTFS directory junction to restore a malicious DLL from quarantine into the system32 folder.

CVSS Score

7.8

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Totalav	Totalav 2020	4.14.31

References

https://bogner.sh/2017/11/avgater-getting-local-admin-by-abusing-the-anti-virus-Third Party Advisory
https://www.youtube.com/watch?v=88qeaLq98GcExploitThird Party Advisory
https://bogner.sh/2017/11/avgater-getting-local-admin-by-abusing-the-anti-virus-Third Party Advisory
https://www.youtube.com/watch?v=88qeaLq98GcExploitThird Party Advisory

FAQ

What is CVE-2019-18194?

CVE-2019-18194 is a vulnerability with a CVSS score of 7.8 (HIGH). TotalAV 2020 4.14.31 has a quarantine flaw that allows privilege escalation. Exploitation uses an NTFS directory junction to restore a malicious DLL from quarantine into the system32 folder.

How severe is CVE-2019-18194?

CVE-2019-18194 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2019-18194?

Check the references section above for vendor advisories and patch information. Affected products include: Totalav Totalav 2020.