Dell PowerEdge BIOS/Precision BIOS SMM Communication memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.9$5k-$25k0.00

Summaryinfo

A vulnerability classified as critical has been found in Dell PowerEdge BIOS and Precision BIOS. Affected by this vulnerability is an unknown functionality of the component SMM Communication Handler. This manipulation causes memory corruption. This vulnerability is handled as CVE-2022-34411. It is possible to launch the attack on the local host. There is not any exploit available.

Detailsinfo

A vulnerability classified as critical was found in Dell PowerEdge BIOS and Precision BIOS (version now known). Affected by this vulnerability is some unknown processing 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. The summary by CVE is:

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 released 03/16/2023 as dsa-2022-204. The advisory is shared at dell.com. This vulnerability is known as CVE-2022-34411 since 06/23/2022. 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 04/08/2023).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB 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): 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/23/2022 🔍
03/16/2023 +266 days 🔍
03/16/2023 +0 days 🔍
04/08/2023 +23 days 🔍

Sourcesinfo

Vendor: dell.com

Advisory: dsa-2022-204
Status: Confirmed

CVE: CVE-2022-34411 (🔍)
GCVE (CVE): GCVE-0-2022-34411
GCVE (VulDB): GCVE-100-223201

Entryinfo

Created: 03/16/2023 13:46
Updated: 04/08/2023 14:56
Changes: 03/16/2023 13:46 (48), 04/08/2023 14:56 (9)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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