title: DoS via SAML configuration in Guardian/CMC before 22.6.2
description: An authenticated administrator can upload a SAML configuration file with the wrong format, with the application not checking the correct file format. Every subsequent application request will return an error.
The whole application in rendered unusable until a console intervention.
problem types: CWE-20 Improper Input Validation
affected:
{
defaultStatus: unaffected
product: Guardian
vendor: Nozomi Networks
versions:
lessThan: 22.6.2, status: affected, version: 0, versionType: semver
}
{
defaultStatus: unaffected
product: CMC
vendor: Nozomi Networks
versions:
lessThan: 22.6.2, status: affected, version: 0, versionType: semver
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: HIGH
baseScore: 4.9
baseSeverity: MEDIUM
confidentialityImpact: NONE
integrityImpact: NONE
privilegesRequired: HIGH
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
version: 3.1
]
format: CVSS
scenarios: GENERAL
solutions: Upgrade to v22.6.2 or later.
workarounds: Use internal firewall features to limit access to the web management interface.