title: Missing integrity check on upgrade package
description:
By abusing a design flaw in the firmware upgrade mechanism of the impacted terminal it's possible to cause a permanent
denial of service for the terminal. the only way to recover the terminal is by sending back the terminal to the manufacturer
problem types: CWE-20 Improper Input Validation
affected:
{
defaultStatus: unaffected
product: SIGMA Lite & Lite +
vendor: IDEMIA
versions:
lessThan: 4.15.5, status: affected, version: 0, versionType: custom
}
{
defaultStatus: unaffected
product: SIGMA Wide
vendor: IDEMIA
versions:
lessThan: 4.15.5, status: affected, version: 0, versionType: custom
}
{
defaultStatus: unaffected
product: SIGMA Extreme
vendor: IDEMIA
versions:
lessThan: 4.15.5, status: affected, version: 0, versionType: custom
}
{
defaultStatus: unaffected
product: MorphoWave Compact/XP
vendor: IDEMIA
versions:
lessThan: 2.12.2, status: affected, version: 0, versionType: custom
}
{
defaultStatus: unaffected
product: VisionPass
vendor: IDEMIA
versions:
lessThan: 2.12.2, status: affected, version: 0, versionType: custom
}
{
defaultStatus: unaffected
product: MorphoWave SP
vendor: IDEMIA
versions:
lessThan: 1.2.7, status: affected, version: 0, versionType: custom
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: HIGH
baseScore: 7.5
baseSeverity: HIGH
confidentialityImpact: NONE
integrityImpact: NONE
privilegesRequired: NONE
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
version: 3.1
]
format: CVSS
scenarios: GENERAL