Dell BIOS SMI insecure automated optimizations

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Dell BIOS. It has been rated as critical. This vulnerability affects unknown code of the component SMI Handler. This manipulation causes insecure automated optimizations. This vulnerability is handled as CVE-2022-26861. 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 BIOS (version unknown). Affected by this vulnerability is an unknown function of the component SMI Handler. The manipulation with an unknown input leads to a insecure automated optimizations vulnerability. The CWE definition for the vulnerability is CWE-1038. The product uses a mechanism that automatically optimizes code, e.g. to improve a characteristic such as performance, but the optimizations can have an unintended side effect that might violate an intended security assumption. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Dell BIOS versions contain an Insecure Automated Optimization vulnerability. A local authenticated malicious user could exploit this vulnerability by sending malicious input via SMI to obtain arbitrary code execution during SMM.

The weakness was released 09/07/2022. It is possible to read the advisory at dell.com. This vulnerability is known as CVE-2022-26861 since 03/10/2022. 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 10/13/2022).

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

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.5

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

NVD Base Score: 7.8
NVD Vector: 🔍

CNA Base Score: 7.9
CNA Vector (Dell): 🔍

CVSSv2info

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

Exploitinginfo

Class: Insecure automated optimizations
CWE: CWE-1038
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

03/10/2022 🔍
09/07/2022 +180 days 🔍
09/07/2022 +0 days 🔍
10/13/2022 +36 days 🔍

Sourcesinfo

Vendor: dell.com

Advisory: dell.com
Status: Confirmed

CVE: CVE-2022-26861 (🔍)
GCVE (CVE): GCVE-0-2022-26861
GCVE (VulDB): GCVE-100-207991

Entryinfo

Created: 09/07/2022 16:31
Updated: 10/13/2022 17:21
Changes: 09/07/2022 16:31 (46), 10/13/2022 17:21 (11)
Complete: 🔍
Cache ID: 216::103

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