title: Incorrect messages from Juniper Identity Management Service (JIMS) can trigger Denial of Service or firewall bypass conditions for SRX series devices
description: Juniper Identity Management Service (JIMS) for Windows versions prior to 1.1.4 may send an incorrect message to associated SRX services gateways. This may allow an attacker with physical access to an existing domain connected Windows system to bypass SRX firewall policies, or trigger a Denial of Service (DoS) condition for the network.
problem types: CWE-404 Improper Resource Shutdown or Release
affected:
{
product: Juniper Identity Management Service
vendor: Juniper Networks
versions:
lessThan: 1.1.4, status: affected, version: unspecified, versionType: custom
}
metrics:
cvssV3_0: [
attackComplexity: HIGH
attackVector: PHYSICAL
availabilityImpact: HIGH
baseScore: 5.7
baseSeverity: MEDIUM
confidentialityImpact: NONE
integrityImpact: LOW
privilegesRequired: NONE
scope: CHANGED
userInteraction: NONE
vectorString: CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:H
version: 3.0
]
exploits: Juniper SIRT is not aware of any malicious exploitation of this vulnerability.
If the issue is being exploited to bypass SRX firewall policies, suspicious or unusual usernames or IP addresses entries may be present in the SRX auth table.
solutions: The following software releases have been updated to resolve this specific issue: 1.1.4 and all subsequent releases.
If suspicious or unusual usernames or IP addresses entries are present in the SRX auth table, they need to be removed from the SRX auth table.
workarounds: On the domain controller(s), edit GPO policy for Computer Configuration->Policies->Windows Settings->Security Settings->Local Policies->Audit Policy.
Uncheck "Failure" for "Audit account logon events". This option is unchecked by default.
In the cmd prompt, enter "gpupdate /force" to immediately update the policy change.