Dell PowerEdge BIOS SMM denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.1$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Dell PowerEdge BIOS. The affected element is an unknown function of the component SMM Handler. Performing a manipulation results in denial of service. This vulnerability is identified as CVE-2022-34376. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Dell PowerEdge BIOS (version now known). This affects some unknown processing of the component SMM Handler. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. The summary by CVE is:

Dell PowerEdge BIOS contains an improper input validation vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by manipulating an SMI to cause a denial of service during SMM.

The weakness was released 02/11/2023 as dsa-2022-204. It is possible to read the advisory at dell.com. This vulnerability is uniquely identified as CVE-2022-34376 since 06/23/2022. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 02/11/2023). The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

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

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.1
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 3.9
CNA Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

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 🔍
02/11/2023 +233 days 🔍
02/11/2023 +0 days 🔍
02/11/2023 +0 days 🔍

Sourcesinfo

Vendor: dell.com

Advisory: dsa-2022-204
Status: Confirmed

CVE: CVE-2022-34376 (🔍)
GCVE (CVE): GCVE-0-2022-34376
GCVE (VulDB): GCVE-100-220611

Entryinfo

Created: 02/11/2023 09:00
Changes: 02/11/2023 09:00 (27), 02/11/2023 09:01 (20)
Complete: 🔍
Cache ID: 216::103

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