UNCLASSIFIED / NON CLASSIFIÉ
580-LSS
COMMON CRITERIA CERTIFICATION REPORT
Citrix Hypervisor ® 8.2 LTSR Premium
Edition (CU1)
23 August 2022
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FOREWORD
This certification report is an UNCLASSIFIED publication, issued under the authority of the Chief, Communications Security
Establishment (CSE).
The Information Technology (IT) product identified in this certification report, and its associated certificate, has been
evaluated at an approved testing laboratory established under the Canadian Centre for Cyber Security (a branch of CSE).
This certification report, and its associated certificate, applies only to the identified version and release of the product in its
evaluated configuration. The evaluation has been conducted in accordance with the provisions of the Canadian Common
Criteria Program, and the conclusions of the testing laboratory in the evaluation report are consistent with the evidence
adduced.
This report, and its associated certificate, are not an endorsement of the IT product by Canadian Centre for Cyber Security, or
any other organization that recognizes or gives effect to this report, and its associated certificate, and no warranty for the IT
product by the Canadian Centre for Cyber Security, or any other organization that recognizes or gives effect to this report,
and its associated certificate, is either expressed or implied.
If your organization has identified a requirement for this certification report based on business needs and would like more
detailed information, please contact:
Canadian Centre for Cyber Security
Contact Centre and Information Services
contact@cyber.gc.ca | 1-833-CYBER-88 (1-833-292-3788)
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OVERVIEW
The Canadian Common Criteria Program provides a third-party evaluation service for determining the trustworthiness of
Information Technology (IT) security products. Evaluations are performed by a commercial Common Criteria Testing
Laboratory (CCTL) under the oversight of the Certification Body, which is managed by the Canadian Centre for Cyber
Security.
A CCTL is a commercial facility that has been approved by the Certification Body to perform Common Criteria evaluations; a
significant requirement for such approval is accreditation to the requirements of ISO/IEC 17025, the General Requirements
for the Competence of Testing and Calibration Laboratories.
By awarding a Common Criteria certificate, the Certification Body asserts that the product complies with the security
requirements specified in the associated security target. A security target is a requirements specification document that
defines the scope of the evaluation activities. The consumer of certified IT products should review the security target, in
addition to this certification report, to gain an understanding of any assumptions made during the evaluation, the IT
product's intended environment, the evaluated security functionality, and the testing and analysis conducted by the CCTL.
The certification report, certificate of product evaluation and security target are posted to the Common Criteria portal (the
official website of the International Common Criteria Program).
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TABLE OF CONTENTS
EXECUTIVE SUMMARY .................................................................................................................................... 6
1 Identification of Target of Evaluation ........................................................................................................... 7
1.1 Common Criteria Conformance.......................................................................................................................... 7
1.2 TOE Description................................................................................................................................................. 7
1.3 TOE Architecture ............................................................................................................................................... 8
2 Security Policy......................................................................................................................................... 9
2.1 Cryptographic Functionality ............................................................................................................................... 9
3 Assumptions and Clarification of Scope ......................................................................................................10
3.1 Usage and Environmental Assumptions.............................................................................................................10
3.2 Clarification of Scope .......................................................................................................................................10
4 Evaluated Configuration............................................................................................................................11
4.1 Documentation.................................................................................................................................................11
5 Evaluation Analysis Activities....................................................................................................................12
5.1 Development....................................................................................................................................................12
5.2 Guidance Documents........................................................................................................................................12
5.3 Life-Cycle Support ............................................................................................................................................12
6 Testing Activities ....................................................................................................................................13
6.1 Assessment of Developer tests.........................................................................................................................13
6.2 Conduct of Testing...........................................................................................................................................13
6.3 Independent Testing.........................................................................................................................................13
6.3.1 Independent Testing Results .........................................................................................................................13
6.4 Vulnerability Analysis .......................................................................................................................................14
6.4.1 Vulnerability Analysis Results........................................................................................................................14
7 Results of the Evaluation ..........................................................................................................................15
7.1 Recommendations/Comments..........................................................................................................................15
8 Supporting Content..................................................................................................................................16
8.1 List of Abbreviations.........................................................................................................................................16
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8.2 References.......................................................................................................................................................16
LIST OF FIGURES
TOE Architecture..................................................................................................................................................8
LIST OF TABLES
Table 1: TOE Identification ................................................................................................................................................7
Table 2: Cryptographic Implementation(s).........................................................................................................................9
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EXECUTIVE SUMMARY
Citrix Hypervisor ® 8.2 LTSR Premium Edition (CU1) (hereafter referred to as the Target of Evaluation, or TOE), from Citrix
Systems, Inc. , was the subject of this Common Criteria evaluation. A description of the TOE can be found in Section 1.2.
The results of this evaluation demonstrate that the TOE meets the requirements of the conformance claim listed in Section
1.1 for the evaluated security functionality.
Lightship Security is the CCTL that conducted the evaluation. This evaluation was completed on 23 August 2022 and was
carried out in accordance with the rules of the Canadian Common Criteria Program.
The scope of the evaluation is defined by the Security Target, which identifies assumptions made during the evaluation, the
intended environment for the TOE, and the security functional/assurance requirements. Consumers are advised to verify
that their operating environment is consistent with that specified in the security target, and to give due consideration to the
comments, observations, and recommendations in this Certification Report.
The Canadian Centre for Cyber Security, as the Certification Body, declares that this evaluation meets all the conditions of
the Arrangement on the Recognition of Common Criteria Certificates and that the product is listed on the Certified Products
list (CPL) for the Canadian Common Criteria Program and the Common Criteria portal (the official website of the
International Common Criteria Program).
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1 IDENTIFICATION OF TARGET OF EVALUATION
The Target of Evaluation (TOE) is identified as follows:
Table 1: TOE Identification
TOE Name and Version Citrix Hypervisor ® 8.2 LTSR Premium Edition (CU1)
Developer Citrix Systems, Inc.
1.1 COMMON CRITERIA CONFORMANCE
The evaluation was conducted using the Common Methodology for Information Technology Security Evaluation, Version 3.1
Revision 5, for conformance to the Common Criteria for Information Technology Security Evaluation, Version 3.1 Revision 5.
The TOE claims the following conformance:
EAL 2+ (ALC_FLR.2)
1.2 TOE DESCRIPTION
The TOE is a server virtualisation product that runs directly on server hardware. It establishes execution environments that
create the appearance of physical computers into which guest operating systems may be installed and run. Each running
virtual machine, referred to as a domain, is configured to operate with a set of virtual CPU, memory, storage, and network
resources.
The resources allocated to each domain are isolated from any other domain (other than the control domain, dom0). This
isolation is enforced by the TOE itself and does not rely on the behaviour of guest operating systems running within the
domains.
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1.3 TOE ARCHITECTURE
A diagram of the TOE architecture is as follows:
TOE Architecture
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2 SECURITY POLICY
The TOE implements and enforces policies pertaining to the following security functionality:
 VM Memory Separation
 VM Disk Separation
 Administrator Authentication
 Channel Protection
Complete details of the security functional requirements (SFRs) can be found in the Security Target (ST) referenced in
section 8.2.
2.1 CRYPTOGRAPHIC FUNCTIONALITY
The following cryptographic implementation is used by the TOE and has been evaluated by the CMVP:
Table 2: Cryptographic Implementation
Cryptographic Module Certificate Number
Citrix FIPS Cryptographic Module v1.0.2 #2988
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3 ASSUMPTIONS AND CLARIFICATION OF SCOPE
Consumers of the TOE should consider assumptions about usage and environmental settings as requirements for the
product’s installation and its operating environment. This will ensure the proper and secure operation of the TOE.
3.1 USAGE AND ENVIRONMENTAL ASSUMPTIONS
The following assumptions are made regarding the use and deployment of the TOE:
 The components of the TOE and IT environment are kept physically secure so that no unauthorised persons have
access to the components, either physically or for connection (e.g. via console ports)
 The storage connection and storage devices used by the TOE are physically isolated from the other networks used
by the TOE, and that the management, storage, and guest networks each use separate NICs (more than one NIC may
be used for the guest network)
3.2 CLARIFICATION OF SCOPE
The following intrinsic capabilities and options within the basic TOE product were not included in the scope of the
evaluation:
HVM UEFI guests Storage live migration Host BIOS boot
PV guests Active Directory integration Dynamic Memory Control (Ballooning)
Live VM migration Live Memory Checkpoint High availability
Role Based Administration Direct Inspect APIs/HVI Heterogeneous Resource Pools
SNMP vGPU/GPUpass-through/GVT-g/GVT-
d/AMD Tonga
Role Based Access Control (RBAC)
vSwitch Intellicache Software FCoE Storage
Software-boot-from iSCSI Dynamic Workload Balancing & Audit
Reporting (WLB)
VM storage on LVM
Disaster Recovery GPU Virtualization Provisioning Services
Health Check vGPU live migration Workload Balancing virtual appliance
vSwitch Controller virtual appliance Citrix Hypervisor Conversion Manager PVS Accelerator Supplemental Pack
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4 EVALUATED CONFIGURATION
The evaluated configuration for the TOE comprises:
TOE Software/Firmware Citrix Hypervisor ® 8.2 LTSR Premium Edition (Cumulative Update 1) with the following
hotfixes installed:
 XS82ECU1001
 XS82ECU1002
 XS82ECU1003
 XS82ECU1005
 XS82ECU1006
 XS82ECU1007
 XS82ECU1010
 XS82ECU1012
 XS82ECU1014
TOE Hardware A dedicated x86 Server with the following specifications:
 A 64-bit Intel-VT with EPT processor
 Minimum of 3 Network Interface cards
 Minimum 2 GB of RAM
 Minimum 46 GB disk space
Environmental Support  Citrix License Server Version 11
 NTP server that supports NTP version 4
4.1 DOCUMENTATION
The following documents are provided to the consumer to assist in the configuration and installation of the TOE:
a) Citrix Hypervisor 8.2 Product Documentation for Common Criteria, 9 December 2021, v1.0
b) Common Criteria Evaluated Configuration Guide for Citrix Hypervisor 8.2 Cumulative Update 1 Premium Edition, 25
July 2022, v1.5
c) Citrix Hypervisor 8.2 documentation 18 August 2022
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5 EVALUATION ANALYSIS ACTIVITIES
The evaluation analysis activities involved a structured evaluation of the TOE. Documentation and process dealing with
Development, Guidance Documents, and Life-Cycle Support were evaluated.
5.1 DEVELOPMENT
The evaluators analyzed the documentation provided by the vendor; they determined that the design completely and
accurately describes the TOE security functionality (TSF) interfaces and how the TSF implements the security functional
requirements. The evaluators determined that the initialization process is secure, that the security functions are protected
against tamper and bypass, and that security domains are maintained.
5.2 GUIDANCE DOCUMENTS
The evaluators examined the TOE preparative user guidance and operational user guidance and determined that it
sufficiently and unambiguously describes how to securely transform the TOE into its evaluated configuration and how to use
and administer the product. The evaluators examined and tested the preparative and operational guidance and determined
that they are complete and sufficiently detailed to result in a secure configuration.
Section 4.1 provides details on the guidance documents.
5.3 LIFE-CYCLE SUPPORT
An analysis of the TOE configuration management system and associated documentation was performed. The evaluators
found that the TOE configuration items were clearly marked.
The evaluators examined the delivery documentation and determined that it described all the procedures required to
maintain the integrity of the TOE during distribution to the consumer.
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6 TESTING ACTIVITIES
Testing consists of the following three steps: assessing developer tests, performing independent tests, and performing a
vulnerability analysis.
6.1 ASSESSMENT OF DEVELOPER TESTS
The evaluators verified that the developer has met their testing responsibilities by examining their test evidence, and
reviewing their test results, as documented in the Evaluation Test Report (ETR). The correspondence between the tests
identified in the developer’s test documentation and the functional specification was complete.
6.2 CONDUCT OF TESTING
The TOE was subjected to a comprehensive suite of formally documented, independent functional and penetration tests. The
detailed testing activities, including configurations, procedures, test cases, expected results and observed results are
documented in a separate Test Results document.
6.3 INDEPENDENT TESTING
During this evaluation, the evaluator developed independent functional & penetration tests by examining design and
guidance documentation.
All testing was planned and documented to a sufficient level of detail to allow repeatability of the testing procedures and
results. The following testing activities were performed:
a. Repeat of Developer's Tests: The evaluator repeated a subset of the developer's tests
b. Cryptographic Implementation Verification: The evaluator verified that the claimed cryptographic implementation
was present in the TOE
c. Inbound Connection Cipher suites: The evaluator verified that the claimed cipher suites are used for inbound
connections
d. Use of Trusted Channels with External Entities: The evaluator verified that the claimed protocols were used for
communication with external entities
e. Configuring Networking Components: The evaluator verified that only the Administrator can configure network
components
f. Trusted Updates: The evaluator verified that only legitimate updates to the TOE can be installed
g. Memory Isolation: The evaluator verified that the TOE isolates memory between VMs
6.3.1 INDEPENDENT TESTING RESULTS
The developer’s tests and the independent tests yielded the expected results, providing assurance that the TOE behaves as
specified in its ST and functional specification.
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6.4 VULNERABILITY ANALYSIS
The vulnerability analysis focused on 4 flaw hypotheses.
 Public Vulnerability based (Type 1)
 Technical community sources (Type 2)
 Evaluation team generated (Type 3)
 Tool Generated (Type 4)
The evaluators conducted an independent review of all evaluation evidence, public domain vulnerability databases and
technical community sources (Type 1 & 2). Additionally, the evaluators used automated vulnerability scanning tools to
discover potential network, platform, and application layer vulnerabilities (Type 4). Based upon this review, the evaluators
formulated flaw hypotheses (Type 3), which they used in their vulnerability analysis.
Type 1 & 2 searches were conducted on 11 July 2022 and included the following search terms:
Citrix Hypervisor Xen Hypervisor 4.13.4 stunnel 5.56
Citrix FIPS Cryptographic Module OpenSSL 1.1.1k
Vulnerability searches were conducted using the following sources:
NIST National Vulnerability Database
https://nvd.nist.gov
CISA – Known exploited vulnerabilities Catalog
https://www.cisa.gov/known-exploited-vulnerabilities-catalog
Citrix Support Knowledge Center
https://support.citrix.com/search/
OpenSSL Vulnerabilities
https://www.openssl.org/news/vulnerabilities-1.1.1.html
CVE Details
https://www.cvedetails.com
Google
https://google.ca
6.4.1 VULNERABILITY ANALYSIS RESULTS
The vulnerability analysis did not uncover any security relevant residual exploitable vulnerabilities in the intended operating
environment.
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7 RESULTS OF THE EVALUATION
The Information Technology (IT) product identified in this certification report, and its associated certificate, has been
evaluated at an approved testing laboratory established under the Canadian Centre for Cyber Security. This certification
report, and its associated certificate, apply only to the specific version and release of the product in its evaluated
configuration.
This evaluation has provided the basis for the conformance claim documented in Table 1. The overall verdict for this
evaluation is PASS. These results are supported by evidence in the ETR.
7.1 RECOMMENDATIONS/COMMENTS
It is recommended that all guidance outlined in Section 4.1 be followed to configure the TOE in the evaluated configuration.
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8 SUPPORTING CONTENT
8.1 LIST OF ABBREVIATIONS
Term Definition
CAVP Cryptographic Algorithm Validation Program
CCTL Common Criteria Testing Laboratory
CMVP Cryptographic Module Validation Program
CSE Communications Security Establishment
EAL Evaluation Assurance Level
ETR Evaluation Technical Report
IT Information Technology
ITS Information Technology Security
PP Protection Profile
SFR Security Functional Requirement
ST Security Target
TOE Target of Evaluation
TSF TOE Security Function
8.2 REFERENCES
Reference
Common Criteria for Information Technology Security Evaluation, Version 3.1 Revision 5, April 2017.
Common Methodology for Information Technology Security Evaluation, CEM, Version 3.1 Revision 5, April 2017.
Security Target Citrix Hypervisor ® 8.2 LTSR Premium Edition (CU1), 12 August 2022, v1.9
Evaluation Technical Report Citrix Hypervisor ® 8.2 LTSR Premium Edition (CU1), 23 August 2022, v1.0