Intel Broadwell U i5 vPro prior MYBDWi5v.86A Firmware input validation

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.4 | $0-$5k | 0.00 |
Summary
A vulnerability classified as critical has been found in Intel Broadwell U i5 vPro. Affected by this issue is some unknown functionality of the component Firmware. This manipulation causes input validation. This vulnerability appears as CVE-2019-0163. The attack requires local access. There is no available exploit. It is recommended to upgrade the affected component.
Details
A vulnerability was found in Intel Broadwell U i5 vPro. It has been declared as critical. Affected by this vulnerability is some unknown processing of the component Firmware. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:
Insufficient input validation in system firmware for Intel(R) Broadwell U i5 vPro before version MYBDWi5v.86A may allow an authenticated user to potentially enable escalation of privilege, denial of service, and/or information disclosure via local access.
The bug was discovered 04/09/2019. The weakness was presented 04/17/2019 (Website). It is possible to read the advisory at intel.com. This vulnerability is known as CVE-2019-0163 since 11/13/2018. Attacking locally is a requirement. Required for exploitation is a single authentication. The technical details are unknown and an exploit is not publicly available.
The vulnerability was handled as a non-public zero-day exploit for at least 8 days. During that time the estimated underground price was around $5k-$25k.
Upgrading to version MYBDWi5v.86A eliminates this vulnerability.
Be aware that VulDB is the high quality source for vulnerability data.
Product
Vendor
Name
License
Website
- Vendor: https://www.intel.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.7VulDB Meta Temp Score: 6.6
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 8.2
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| 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
Class: Input validationCWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: No
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: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Broadwell U i5 vPro MYBDWi5v.86A
Timeline
11/13/2018 🔍04/09/2019 🔍
04/17/2019 🔍
04/18/2019 🔍
05/30/2020 🔍
Sources
Vendor: intel.comAdvisory: intel.com
Status: Not defined
Confirmation: 🔍
CVE: CVE-2019-0163 (🔍)
GCVE (CVE): GCVE-0-2019-0163
GCVE (VulDB): GCVE-100-133783
Entry
Created: 04/18/2019 20:08Updated: 05/30/2020 12:53
Changes: 04/18/2019 20:08 (57), 05/30/2020 12:53 (2)
Complete: 🔍
Cache ID: 216::103
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