title: Connection update while closing connection may lead to denial-of-service
description:
A memory leak in the EFR32 Bluetooth LE stack 5.1.0 through 5.1.1 allows an attacker to send an invalid pairing message and cause future legitimate connection attempts to fail. A reset of the device immediately clears the error.
problem types: CWE-400 Uncontrolled Resource Consumption
affected:
{
defaultStatus: unaffected
product: Bluetooth SDK
vendor: silabs.com
versions:
lessThanOrEqual: v5.1.1, status: affected, version: 5.0.0, versionType: patch
}
metrics:
cvssV3_1: [
attackComplexity: HIGH
attackVector: ADJACENT_NETWORK
availabilityImpact: HIGH
baseScore: 5.3
baseSeverity: MEDIUM
confidentialityImpact: NONE
integrityImpact: NONE
privilegesRequired: NONE
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
version: 3.1
]
format: CVSS
scenarios: GENERAL