Dell BIOS UEFI input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.2$5k-$25k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Dell BIOS. The impacted element is an unknown function of the component UEFI Handler. This manipulation causes input validation. This vulnerability is handled as CVE-2023-28059. It is possible to launch the attack on the local host. There is not any exploit available.

Detailsinfo

A vulnerability was found in Dell BIOS (affected version unknown). It has been declared as critical. Affected by this vulnerability is an unknown functionality of the component UEFI Handler. 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. The summary by CVE is:

Dell BIOS contains an improper input validation vulnerability. A local authenticated malicious user with administrator privileges may potentially exploit this vulnerability in order to modify a UEFI variable.

The weakness was released 06/23/2023 as dsa-2023-099. The advisory is shared at dell.com. This vulnerability is known as CVE-2023-28059 since 03/10/2023. 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 07/18/2023).

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

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 6.2

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

NVD Base Score: 6.7
NVD Vector: 🔍

CNA Base Score: 5.1
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

03/10/2023 🔍
06/23/2023 +104 days 🔍
06/23/2023 +0 days 🔍
07/18/2023 +25 days 🔍

Sourcesinfo

Vendor: dell.com

Advisory: dsa-2023-099
Status: Confirmed

CVE: CVE-2023-28059 (🔍)
GCVE (CVE): GCVE-0-2023-28059
GCVE (VulDB): GCVE-100-232261

Entryinfo

Created: 06/23/2023 13:37
Updated: 07/18/2023 07:29
Changes: 06/23/2023 13:37 (47), 07/18/2023 07:29 (11)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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