Dell Inspiron 7352 BIOS UEFI BIOS Boot Service protection mechanism

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.8 | $5k-$25k | 0.00 |
Summary
A vulnerability classified as critical has been found in Dell Inspiron 7352 BIOS. Impacted is an unknown function of the component UEFI BIOS Boot Service. The manipulation leads to protection mechanism. This vulnerability is traded as CVE-2020-5379. It is possible to launch the attack on the physical device. There is no exploit available.
Details
A vulnerability was found in Dell Inspiron 7352 BIOS (version now known). It has been rated as critical. This issue affects some unknown processing of the component UEFI BIOS Boot Service. The manipulation with an unknown input leads to a protection mechanism vulnerability. Using CWE to declare the problem leads to CWE-693. The product does not use or incorrectly uses a protection mechanism that provides sufficient defense against directed attacks against the product. Impacted is confidentiality, integrity, and availability. The summary by CVE is:
Dell Inspiron 7352 BIOS versions prior to A12 contain a UEFI BIOS Boot Services overwrite vulnerability. A local attacker with access to system memory may exploit this vulnerability by overwriting the EFI_BOOT_SERVICES structure to execute arbitrary code in System Management Mode (SMM).
The weakness was shared 09/02/2020 (Website). The advisory is shared at dell.com. The identification of this vulnerability is CVE-2020-5379 since 01/03/2020. An attack has to be approached locally. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 09/03/2020).
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The entries VDB-160647 and VDB-160648 are related to this item. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Product
Vendor
Name
License
Website
- Vendor: https://www.dell.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.8VulDB Meta Temp Score: 6.8
VulDB Base Score: 6.8
VulDB Temp Score: 6.8
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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| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Protection mechanismCWE: CWE-693
CAPEC: 🔍
ATT&CK: 🔍
Physical: Yes
Local: Yes
Remote: No
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
01/03/2020 🔍09/02/2020 🔍
09/03/2020 🔍
11/12/2020 🔍
Sources
Vendor: dell.comAdvisory: dell.com
Status: Not defined
CVE: CVE-2020-5379 (🔍)
GCVE (CVE): GCVE-0-2020-5379
GCVE (VulDB): GCVE-100-160649
See also: 🔍
Entry
Created: 09/03/2020 08:02Updated: 11/12/2020 15:10
Changes: 09/03/2020 08:02 (37), 09/03/2020 08:07 (11), 11/12/2020 15:10 (1)
Complete: 🔍
Cache ID: 216::103
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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