Dell PowerEdge BIOS/Precision BIOS SMM Communication memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.9$5k-$25k0.00

Summaryinfo

A vulnerability was found in Dell PowerEdge BIOS and Precision BIOS. It has been classified as critical. The affected element is an unknown function of the component SMM Communication Handler. This manipulation causes memory corruption. This vulnerability is tracked as CVE-2022-34417. The attack is restricted to local execution. No exploit exists.

Detailsinfo

A vulnerability was found in Dell PowerEdge BIOS and Precision BIOS (unknown version). It has been declared as critical. Affected by this vulnerability is an unknown code block 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 disclosed 03/16/2023 as dsa-2022-204. It is possible to read the advisory at dell.com. This vulnerability is known as CVE-2022-34417 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 $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.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

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License

Website

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-2022-34417 (🔍)
GCVE (CVE): GCVE-0-2022-34417
GCVE (VulDB): GCVE-100-223207

Entryinfo

Created: 03/16/2023 13:48
Updated: 04/08/2023 15:31
Changes: 03/16/2023 13:48 (48), 04/08/2023 15:31 (9)
Complete: 🔍
Cache ID: 216::103

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