Silicon Labs Bluetooth Low Energy SDK up to 2.13.2 Packet buffer overflow

CVSS Meta Temp Score
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CTI Interest Score
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6.1$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Silicon Labs Bluetooth Low Energy SDK up to 2.13.2. Affected is an unknown function. Executing a manipulation as part of Packet can lead to buffer overflow. This vulnerability is registered as CVE-2020-15532. The attack requires access to the local network. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in Silicon Labs Bluetooth Low Energy SDK up to 2.13.2 and classified as critical. This vulnerability affects an unknown code block. The manipulation as part of a Packet leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Silicon Labs Bluetooth Low Energy SDK before 2.13.3 has a buffer overflow via packet data. This is an over-the-air denial of service vulnerability in Bluetooth LE in EFR32 SoCs and associated modules running Bluetooth SDK, supporting Central or Observer roles.

The weakness was published 08/20/2020. This vulnerability was named CVE-2020-15532 since 07/05/2020. Access to the local network is required for this attack. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available.

Upgrading to version 2.13.3 eliminates this vulnerability.

Similar entry is available at VDB-160059. Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Bluetooth Low Energy SDK 2.13.3

Timelineinfo

07/05/2020 🔍
08/20/2020 +46 days 🔍
08/20/2020 +0 days 🔍
08/20/2020 +0 days 🔍

Sourcesinfo

Status: Not defined

CVE: CVE-2020-15532 (🔍)
GCVE (CVE): GCVE-0-2020-15532
GCVE (VulDB): GCVE-100-160060
See also: 🔍

Entryinfo

Created: 08/20/2020 20:25
Updated: 08/20/2020 20:30
Changes: 08/20/2020 20:25 (38), 08/20/2020 20:30 (17)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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