Dell BIOS SMI input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.2$5k-$25k0.00

Summaryinfo

A vulnerability classified as critical has been found in Dell BIOS. This vulnerability affects unknown code of the component SMI Handler. Performing a manipulation results in input validation. This vulnerability is identified as CVE-2022-32485. The attack is only possible with local access. There is not any exploit available.

Detailsinfo

A vulnerability was found in Dell BIOS (version now known). It has been classified as critical. This affects some unknown processing of the component SMI Handler. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Dell BIOS contains an improper input validation vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by using an SMI to gain arbitrary code execution in SMRAM.

The weakness was released 10/13/2022. The advisory is shared at dell.com. This vulnerability is uniquely identified as CVE-2022-32485 since 06/06/2022. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 11/07/2022).

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

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Productinfo

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Vendor

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License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.2
VulDB Meta Temp Score: 7.2

VulDB Base Score: 6.4
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CNA Base Score: 7.5
CNA Vector (Dell): 🔍

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

06/06/2022 🔍
10/13/2022 +129 days 🔍
10/13/2022 +0 days 🔍
11/07/2022 +25 days 🔍

Sourcesinfo

Vendor: dell.com

Advisory: dell.com
Status: Confirmed

CVE: CVE-2022-32485 (🔍)
GCVE (CVE): GCVE-0-2022-32485
GCVE (VulDB): GCVE-100-210741

Entryinfo

Created: 10/13/2022 13:14
Updated: 11/07/2022 12:03
Changes: 10/13/2022 13:14 (47), 11/07/2022 12:03 (11)
Complete: 🔍
Cache ID: 216::103

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