Dell PowerEdge BIOS/Precision BIOS SMM Communication memory corruption

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.9 | $5k-$25k | 0.00 |
Summary
A vulnerability labeled as critical has been found in Dell PowerEdge BIOS and Precision BIOS. This affects an unknown function of the component SMM Communication Handler. Executing a manipulation can lead to memory corruption. This vulnerability appears as CVE-2022-34408. The attack requires local access. There is no available exploit.
Details
A vulnerability was found in Dell PowerEdge BIOS and Precision BIOS (the affected version unknown). It has been declared as critical. This vulnerability affects an unknown part of the component SMM Communication Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:
Dell PowerEdge BIOS and Dell Precision BIOS contain an Improper SMM communication buffer verification vulnerability. A local malicious user with high Privileges may potentially exploit this vulnerability to perform arbitrary code execution or cause denial of service.
The weakness was presented 03/16/2023 as dsa-2022-204. The advisory is available at dell.com. This vulnerability was named CVE-2022-34408 since 06/23/2022. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 04/08/2023).
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
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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: 6.9VulDB Meta Temp Score: 6.9
VulDB Base Score: 6.4
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 6.7
NVD Vector: 🔍
CNA Base Score: 7.5
CNA Vector (Dell): 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 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: Memory corruptionCWE: CWE-119
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 |
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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
06/23/2022 🔍03/16/2023 🔍
03/16/2023 🔍
04/08/2023 🔍
Sources
Vendor: dell.comAdvisory: dsa-2022-204
Status: Confirmed
CVE: CVE-2022-34408 (🔍)
GCVE (CVE): GCVE-0-2022-34408
GCVE (VulDB): GCVE-100-223198
Entry
Created: 03/16/2023 13:45Updated: 04/08/2023 14:45
Changes: 03/16/2023 13:45 (48), 04/08/2023 14:45 (9)
Complete: 🔍
Cache ID: 216::103
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