Intel CSME/TXE/SPS/SoC Boot Guard insecure default initialization of resource

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.3 | $0-$5k | 0.00 |
Summary
A vulnerability classified as problematic was found in Intel CSME, TXE, SPS and SoC. Affected by this issue is some unknown functionality of the component Boot Guard. Executing a manipulation can lead to insecure default initialization of resource. This vulnerability is handled as CVE-2020-8705. The physical device can be targeted for the attack. There is not any exploit available. Upgrading the affected component is advised.
Details
A vulnerability classified as problematic was found in Intel CSME, TXE, SPS and SoC (version unknown). This vulnerability affects an unknown function of the component Boot Guard. The manipulation with an unknown input leads to a insecure default initialization of resource vulnerability. The CWE definition for the vulnerability is CWE-1188. The product initializes or sets a resource with a default that is intended to be changed by the administrator, but the default is not secure. As an impact it is known to affect confidentiality, integrity, and availability.
The weakness was released 11/12/2020 as intel-sa-00391. The advisory is shared for download at intel.com. This vulnerability was named CVE-2020-8705. The exploitation appears to be easy. The attack needs to be approached locally. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available.
Upgrading eliminates this vulnerability.
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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: 5.5VulDB Meta Temp Score: 5.4
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 6.8
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Insecure default initialization of resourceCWE: CWE-1188
CAPEC: 🔍
ATT&CK: 🔍
Physical: Yes
Local: Yes
Remote: No
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
02/06/2020 🔍11/12/2020 🔍
11/12/2020 🔍
12/06/2020 🔍
Sources
Vendor: intel.comAdvisory: intel-sa-00391
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2020-8705 (🔍)
GCVE (CVE): GCVE-0-2020-8705
GCVE (VulDB): GCVE-100-164836
Entry
Created: 11/12/2020 21:31Updated: 12/06/2020 13:13
Changes: 11/12/2020 21:31 (36), 12/06/2020 13:07 (3), 12/06/2020 13:13 (18)
Complete: 🔍
Cache ID: 216::103
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