Intel NUC System Firmware input validation

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
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.
6.0$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Intel NUC. This affects an unknown part of the component System Firmware. Performing a manipulation results in input validation. This vulnerability is reported as CVE-2019-11140. The attack requires a local approach. No exploit exists.

Detailsinfo

A vulnerability was found in Intel NUC (version now known). It has been classified as critical. This affects some unknown processing of the component System Firmware. 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:

Insufficient session validation in system firmware for Intel(R) NUC may allow a privileged user to potentially enable escalation of privilege, denial of service and/or information disclosure via local access.

The weakness was disclosed 08/19/2019 (Website). It is possible to read the advisory at intel.com. This vulnerability is uniquely identified as CVE-2019-11140 since 04/11/2019. Attacking locally is a requirement. Required for exploitation is a authentication. 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 07/31/2020).

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

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.0
VulDB Meta Temp Score: 6.0

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.7
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔍

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

04/11/2019 🔍
08/19/2019 +130 days 🔍
08/19/2019 +0 days 🔍
07/31/2020 +347 days 🔍

Sourcesinfo

Vendor: intel.com

Advisory: intel.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2019-11140 (🔍)
GCVE (CVE): GCVE-0-2019-11140
GCVE (VulDB): GCVE-100-140307

Entryinfo

Created: 08/19/2019 21:49
Updated: 07/31/2020 15:01
Changes: 08/19/2019 21:49 (54), 07/31/2020 15:01 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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