title: Contrail: XML External Entity (XXE) vulnerability
description: The ifmap service that comes bundled with Contrail has an XML External Entity (XXE) vulnerability that may allow an attacker to retrieve sensitive system files. Affected releases are Juniper Networks Contrail 2.2 prior to 2.21.4; 3.0 prior to 3.0.3.4; 3.1 prior to 3.1.4.0; 3.2 prior to 3.2.5.0. CVE-2017-10616 and CVE-2017-10617 can be chained together and have a combined CVSSv3 score of 5.8 (AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N).
problem types: XML External Entity (XXE) vulnerability
affected:
{
vendor: Juniper Networks
product: Contrail
versions:
version: 2.2, status: affected, lessThan: 2.21.4, versionType: custom
version: 3.0, status: affected, lessThan: 3.0.3.4, versionType: custom
version: 3.1, status: affected, lessThan: 3.1.4.0, versionType: custom
version: 3.2, status: affected, lessThan: 3.2.5.0, versionType: custom
}
metrics:
cvssV3_1: [
version: 3.1
vectorString: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: CHANGED
confidentialityImpact: LOW
integrityImpact: NONE
availabilityImpact: NONE
baseScore: 5
baseSeverity: MEDIUM
]
exploits: Juniper SIRT is not aware of any malicious exploitation of this vulnerability.
solutions: The following software releases have been updated to resolve these specific issues: Contrail 2.21.4, 3.0.3.4, 3.1.4.0, 3.2.5.0 and all subsequent releases.
workarounds: There are no viable workarounds.
It is good security practice to limit the exploitable attack surface of critical infrastructure networking equipment. Use access lists or firewall filters to limit access only from trusted, administrative networks or hosts.