VIA Technologies EPIA-E900 SmartETK Driver ETK_E900.sys Blue Screen input validation
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.5 | $0-$5k | 0.00 |
Summary
A vulnerability classified as critical was found in VIA Technologies EPIA-E900. This vulnerability affects unknown code in the library ETK_E900.sys of the component SmartETK Driver. Such manipulation leads to input validation (Blue Screen). This vulnerability is referenced as CVE-2018-20404. It is possible to launch the attack remotely. No exploit is available.
Details
A vulnerability, which was classified as critical, has been found in VIA Technologies EPIA-E900 (version unknown). Affected by this issue is an unknown function in the library ETK_E900.sys of the component SmartETK Driver. The manipulation with an unknown input leads to a input validation vulnerability (Blue Screen). Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly. Impacted is availability. CVE summarizes:
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.
The bug was discovered 12/25/2018. The weakness was published 12/26/2018 (Website). The advisory is available at downwithup.github.io. This vulnerability is handled as CVE-2018-20404 since 12/23/2018. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit.
The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
Similar entries are available at VDB-123225, VDB-124489, VDB-124490 and VDB-124491. If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Vendor
Name
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.5VulDB Meta Temp Score: 7.5
VulDB Base Score: 7.5
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Name: Blue ScreenClass: Input validation / Blue Screen
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
12/23/2018 🔍12/25/2018 🔍
12/26/2018 🔍
12/26/2018 🔍
12/27/2018 🔍
04/24/2020 🔍
Sources
Advisory: downwithup.github.ioStatus: Not defined
CVE: CVE-2018-20404 (🔍)
GCVE (CVE): GCVE-0-2018-20404
GCVE (VulDB): GCVE-100-128450
See also: 🔍
Entry
Created: 12/27/2018 11:10Updated: 04/24/2020 15:48
Changes: 12/27/2018 11:10 (59), 04/24/2020 15:48 (1)
Complete: 🔍
Cache ID: 216::103
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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