Lenovo ThinkPad BIOS SMM Driver input validation

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Lenovo ThinkPad BIOS. Affected is an unknown function of the component SMM Driver. Executing a manipulation can lead to input validation. This vulnerability is registered as CVE-2022-48189. The attack needs to be launched locally. No exploit is available.

Detailsinfo

A vulnerability was found in Lenovo ThinkPad BIOS (version unknown). It has been declared as critical. This vulnerability affects an unknown function of the component SMM Driver. 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:

An SMM driver input validation vulnerability in the BIOS of some ThinkPad models could allow an attacker with local access and elevated privileges to execute arbitrary code.

The weakness was published 10/30/2023 by Yngweijw. The advisory is shared for download at support.lenovo.com. This vulnerability was named CVE-2022-48189 since 12/29/2022. There are neither technical details nor an exploit publicly available.

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

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.7
VulDB Meta Temp Score: 6.7

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

CNA Base Score: 6.7
CNA Vector (Lenovo Group Ltd.): 🔍

CVSSv2info

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

Exploitinginfo

Class: Input validation
CWE: CWE-20
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

12/29/2022 🔍
10/30/2023 +305 days 🔍
10/30/2023 +0 days 🔍
11/22/2023 +23 days 🔍

Sourcesinfo

Vendor: lenovo.com

Advisory: support.lenovo.com
Researcher: Yngweijw
Status: Confirmed

CVE: CVE-2022-48189 (🔍)
GCVE (CVE): GCVE-0-2022-48189
GCVE (VulDB): GCVE-100-243880

Entryinfo

Created: 10/30/2023 16:14
Updated: 11/22/2023 09:54
Changes: 10/30/2023 16:14 (46), 11/22/2023 09:54 (1)
Complete: 🔍
Cache ID: 216::103

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