Espressif ESP-IDF up to 4.2 Bluetooth Low Energy Connection Request input validation

CVSS Meta Temp Score
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CTI Interest Score
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5.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Espressif ESP-IDF up to 4.2. Affected by this issue is some unknown functionality of the component Bluetooth Low Energy. The manipulation as part of Connection Request leads to input validation. This vulnerability is traded as CVE-2020-13594. An attack has to be approached locally. There is no exploit available.

Detailsinfo

A vulnerability was found in Espressif ESP-IDF up to 4.2. It has been rated as problematic. This issue affects an unknown functionality of the component Bluetooth Low Energy. The manipulation as part of a Connection Request leads to a input validation vulnerability. Using CWE to declare the problem leads to 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. Impacted is availability. The summary by CVE is:

The Bluetooth Low Energy (BLE) controller implementation in Espressif ESP-IDF 4.2 and earlier (for ESP32 devices) does not properly restrict the channel map field of the connection request packet on reception, allowing attackers in radio range to cause a denial of service (crash) via a crafted packet.

The weakness was shared 08/31/2020. The identification of this vulnerability is CVE-2020-13594 since 05/26/2020. An attack has to be approached locally. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

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

The entry VDB-160470 is related to this item. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.2
VulDB Meta Temp Score: 5.2

VulDB Base Score: 4.0
VulDB Temp Score: 4.0
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: Input validation
CWE: CWE-20
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

05/26/2020 🔍
08/31/2020 +97 days 🔍
08/31/2020 +0 days 🔍
08/31/2020 +0 days 🔍

Sourcesinfo

Status: Not defined

CVE: CVE-2020-13594 (🔍)
GCVE (CVE): GCVE-0-2020-13594
GCVE (VulDB): GCVE-100-160469
See also: 🔍

Entryinfo

Created: 08/31/2020 22:09
Updated: 08/31/2020 22:14
Changes: 08/31/2020 22:09 (37), 08/31/2020 22:14 (17)
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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