Yale Bluetooth Key App Bluetooth Low Energy improper authentication

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Yale Bluetooth Key App. It has been declared as critical. This vulnerability affects unknown code of the component Bluetooth Low Energy. The manipulation results in improper authentication. This vulnerability is known as CVE-2019-17627. Attacking locally is a requirement. No exploit is available.

Detailsinfo

A vulnerability was found in Yale Bluetooth Key App (version now known). It has been classified as critical. Affected is some unknown processing of the component Bluetooth Low Energy. The manipulation with an unknown input leads to a improper authentication vulnerability. CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

The Yale Bluetooth Key application for mobile devices allows unauthorized unlock actions by sniffing Bluetooth Low Energy (BLE) traffic during one authorized unlock action, and then calculating the authentication key via simple computations on the hex digits of a valid authentication request. This affects the Yale ZEN-R lock and unspecified other locks.

The weakness was published 10/16/2019. This vulnerability is traded as CVE-2019-17627 since 10/16/2019. The exploitability is told to be difficult. The attack needs to be approached locally. The exploitation doesn't require any form of authentication. 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

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.7

VulDB Base Score: 4.9
VulDB Temp Score: 4.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
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: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

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

10/16/2019 🔍
10/16/2019 +0 days 🔍
10/16/2019 +0 days 🔍
01/09/2024 +1546 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2019-17627 (🔍)
GCVE (CVE): GCVE-0-2019-17627
GCVE (VulDB): GCVE-100-143520

Entryinfo

Created: 10/16/2019 18:13
Updated: 01/09/2024 08:20
Changes: 10/16/2019 18:13 (35), 10/16/2019 18:18 (17), 01/09/2024 08:20 (3)
Complete: 🔍
Cache ID: 216::103

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