Dell BIOS SMM input validation

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

A vulnerability was found in Dell BIOS (unknown version). It has been declared as critical. This vulnerability affects an unknown code block of the component SMM. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Prior Dell BIOS versions contain an Input Validation vulnerability. A locally authenticated malicious user could potentially exploit this vulnerability by sending malicious input to an SMI in order to bypass security controls in SMM.

The weakness was released 06/24/2022 as dsa-2022-096. The advisory is available at dell.com. This vulnerability was named CVE-2022-26863 since 03/10/2022. 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 07/14/2022).

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

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.9

VulDB Base Score: 6.7
VulDB Temp Score: 6.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CNA Base Score: 6.3
CNA Vector (Dell): 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

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

03/10/2022 🔍
06/24/2022 +105 days 🔍
06/24/2022 +0 days 🔍
07/14/2022 +20 days 🔍

Sourcesinfo

Vendor: dell.com

Advisory: dsa-2022-096
Status: Confirmed

CVE: CVE-2022-26863 (🔍)

Entryinfo

Created: 06/24/2022 07:53
Updated: 07/14/2022 09:20
Changes: 06/24/2022 07:53 (48), 07/14/2022 09:20 (18)
Complete: 🔍

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