CVE-2018-20404

CVSS V2 High 7.8 CVSS V3 High 7.5

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.

Overview

CVE ID
CVE-2018-20404

Assigner
cve@mitre.org

Vulnerability Status
Analyzed

Published Version
2018-12-26T21:29:02

Last Modified Date
2019-02-14T18:28:26

Weakness Enumerations

CWE	URL
CWE-20	http://cwe.mitre.org/data/definitions/20.html

CPE Configuration (Product)

CPE	Vulnerable	Operator
		AND
cpe:2.3:o:viatech:epia-e900_firmware:-:::::::*	1	OR
cpe:2.3:h:viatech:epia-e900:-:::::::*	0	OR

CVSS Version 2

Version
2.0

Vector String
AV:N/AC:L/Au:N/C:N/I:N/A:C

Access Vector
NETWORK

Access Compatibility
LOW

Authentication
NONE

Confidentiality Impact
NONE

Integrity Impact
NONE

Availability Impact
COMPLETE

Base Score
7.8

Severity
HIGH

Exploitability Score
10

Impact Score
6.9

CVSS Version 3

Version
3.0

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

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
NONE

Availability Impact
HIGH

Base Score
7.5

Base Severity
HIGH

Exploitability Score
3.9

Impact Score
3.6

References

Reference URL	Reference Tags
https://downwithup.github.io/CVEPosts.html	Exploit Third Party Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2018-20404
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20404

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 07:58:41				Added to TrackCVE
2022-12-03 15:47:24	2018-12-26T21:29Z	2018-12-26T21:29:02	CVE Published Date	updated
2022-12-03 15:47:24		2019-02-14T18:28:26	CVE Modified Date	updated
2022-12-03 15:47:24		Analyzed	Vulnerability Status	updated