CVE-2018-20404 — HIGH (7.5)

Vulnerability Description

ETK_E900.sys, a SmartETK driver for VIA Technologies EPIA-E900 system board, is vulnerable to denial of service attack via IOCTL 0x9C402048, which calls memmove and constantly fails on an arbitrary (uncontrollable) address, resulting in an eternal hang or a BSoD.

CVSS Score

7.5

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Viatech	Epia-E900 Firmware	-
Viatech	Epia-E900	-

Related Weaknesses (CWE)

CWE-20

References

https://downwithup.github.io/CVEPosts.htmlExploitThird Party Advisory
https://downwithup.github.io/CVEPosts.htmlExploitThird Party Advisory

FAQ

What is CVE-2018-20404?

CVE-2018-20404 is a vulnerability with a CVSS score of 7.5 (HIGH). ETK_E900.sys, a SmartETK driver for VIA Technologies EPIA-E900 system board, is vulnerable to denial of service attack via IOCTL 0x9C402048, which calls memmove and constantly fails on an arbitrary (u...

How severe is CVE-2018-20404?

CVE-2018-20404 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-20404?

Check the references section above for vendor advisories and patch information. Affected products include: Viatech Epia-E900 Firmware, Viatech Epia-E900.