title: Uninitialized variable in Gecko Bootloader can leak secure stack
description: Uninitialized buffer in GBL parser in Silicon Labs GSDK v4.3.0 and earlier allows attacker to leak data from Secure stack via malformed GBL file.
problem types: CWE-908 Use of Uninitialized Resource
affected:
{
defaultStatus: unaffected
product: Gecko Bootloader
vendor: silabs.com
versions:
lessThanOrEqual: 4.3.0, status: affected, version: 0, versionType: semver
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: LOCAL
availabilityImpact: NONE
baseScore: 3.8
baseSeverity: LOW
confidentialityImpact: LOW
integrityImpact: NONE
privilegesRequired: LOW
scope: CHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
version: 3.1
]
format: CVSS
scenarios: GENERAL