NIAP: Compliant Product
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Compliant Product - Samsung Galaxy Devices on Android 11 - Spring

Certificate Date:  2021.03.15

Validation Report Number:  CCEVS-VR-VID11160-2021

Product Type:    Virtual Private Network
   Mobility

Conformance Claim:  Protection Profile Compliant

PP Identifier:    PP-Module for VPN Client Version 2.1
  Protection Profile for Mobile Device Fundamentals Version 3.1
  Extended Package for Wireless LAN Client Version 1.0

CC Testing Lab:  Gossamer Security Solutions


CC Certificate [PDF] Security Target [PDF] Validation Report [PDF]

Assurance Activity [PDF]

Administrative Guide [PDF]


Product Description

The TOE is a mobile device based on Android 11 with a built-in IPsec VPN client and modifications made to increase the level of security provided to end users and enterprises. The TOE is intended for use as part of an enterprise mobility solution providing mobile staff with enterprise connectivity.

The TOE includes a Common Criteria mode (or “CC mode”) that an administrator can invoke using an MDM. The TOE must meet the following prerequisites in order for an administrator to transition the TOE to and remain in the CC configuration.

·         Require a boot and device lock password (swipe, PIN, pattern, accessibility (direction), screen locks are not allowed). Acceptable biometrics vary with the device for the device lock.

·         The maximum password failure retry policy should be less than or equal to 30.

·         A screen lock password required to decrypt data on boot.

·         Revocation checking must be enabled.

·         External storage must be encrypted.

·         When CC mode has been enabled, the TOE behaves as follows:

o    The TOE sets the system wide Android CC mode property to be enabled.

o    The TOE prevents loading of custom firmware/kernels and requires all updates occur through FOTA.

o    The TOE utilizes ACVP/CAVP approved cryptographic ciphers for TLS.

The TOE includes the ability to create separate profiles part of the Knox Platform. A profile provides a way to segment applications and data into two separate areas on the device, such as a personal area and a work area, each with its own separate apps, data and security policies. For this effort, the TOE was evaluated both without and with profiles created. Thus, the evaluation includes several Knox-specific claims that apply when these profiles are created.

There are different models of the TOE, the Samsung Galaxy Devices on Android 11, and these models differ in their internal components (as described in the table below). All devices are A64 architecture.


Evaluated Configuration

The model numbers of the mobile devices used during evaluation testing are as follows.  All devices were running Android 11.

Device Name

Model Number

Chipset Vendor

SoC

Arch

Kernel

Build Number

Galaxy S21 Ultra 5G

SM-G998B

Samsung

Exynos 2100

ARMv8

5.4.61

RP1A.200720.012

Galaxy S21 Ultra 5G

SM-G998U

Qualcomm

Snapdragon 888

ARMv8

5.4.61

RP1A.200720.012

Galaxy XCover Pro

SM-G715FN

Samsung

Exynos 9611

ARMv8

4.14.113

RP1A.200720.012

Galaxy S20+ 5G

SM-G986B

Samsung

Exynos 990

ARMv8

4.19.87

RP1A.200720.012

Galaxy S20+ 5G

SM-G986U

Qualcomm

Snapdragon 865

ARMv8

4.19.113

RP1A.200720.012

Galaxy Note10

SM-N976B

Samsung

Exynos 9825

ARMv8

4.14.113

RP1A.200720.012

Galaxy S10e

SM-G970F

Samsung

Exynos 9820

ARMv8

4.14.113

RP1A.200720.012

Galaxy S10+

SM-G975U

Qualcomm

Snapdragon 855

ARMv8

4.14.180

RP1A.200720.012

All eight devices were tested as part of the evaluation.  In addition to the evaluated devices, the following device models are claimed as equivalent with a note about the differences between the evaluated device and the equivalent models.

Evaluated Device

SoC

Equivalent Devices

Differences

Galaxy S21 Ultra 5G

Exynos 2100

Galaxy S21+ 5G

S21 Ultra > S21+ > S21 in terms of display size

Galaxy S21 5G

S21+ & S21 devices have S20+ 5G Wi-Fi chip

Galaxy S21 Ultra 5G

Snapdragon 888

Galaxy S21+ 5G

S21 Ultra > S21+ > S21 in terms of display size

Galaxy S21 5G

S21+ & S21 devices have S20+ 5G Wi-Fi chip

Galaxy S20+ 5G

Exynos 990

Galaxy Note20 Ultra 5G

S20 Ultra > S20+ > S20 > S20 FE in terms of display size

Galaxy Note20 Ultra LTE

Galaxy Note20 5G

5G devices have different cellular modem

Galaxy Note20 LTE

Galaxy S20 Ultra 5G

Note20 Ultra > Note20 in terms of display size

Galaxy S20+ LTE

Galaxy S20 5G

Note20 devices include S Pen & functionality to take advantage of it for input (not security related)

Galaxy S20 LTE

Galaxy S20 FE

Galaxy S20+ 5G

Snapdragon 865

Galaxy Z Fold2 5G

S20 Ultra > S20+ > S20 > S20 FE in terms of display size

Galaxy Note20 Ultra 5G

Note20 Ultra > Note20 in terms of display size

Galaxy Note20 5G

Note20 devices include S Pen & functionality to take advantage of it for input (not security related)

Galaxy Tab S7+

Z Fold2 5G & Z Flip have 2 displays & folding display

Galaxy Tab S7

Tab S7 devices are tablets (no voice calling) with S Pen

Galaxy Z Flip 5G

Tx70 tablets only have Wi-Fi, others have cellular

Galaxy S20 Ultra 5G

Tab S7+ > Tab S7 in terms of display size

Galaxy S20 5G

Tab S7+ & S20 FE have under screen image fingerprint sensor

Galaxy S20 TE

Tab S7 & Z Flip 5G have power button fingerprint sensor

Galaxy S20 FE

Galaxy XCover Pro

Exynos 9611

Galaxy A51

XCover Pro is ruggedized

XCover Pro has Push-to-Talk button

XCover Pro has removable battery

A51 has under screen image fingerprint sensor

Galaxy Note10+ 5G

Exynos 9825

Galaxy Note10+

Note10+ > Note10 in terms of display size

Galaxy Note10 5G

5G devices have different cellular modem

Galaxy Note10

Galaxy S10e

Exynos 9820

Galaxy S10+

S10 & S10+ have ultrasonic fingerprint sensor

Galaxy S10 5G

S10+ > S10 > S10e in terms of display sizes

Galaxy S10

S10 5G has different cellular modem

Galaxy S10+

Snapdragon 855

Galaxy Note10+ 5G

S10e, Fold & Z Flip have power button image fingerprint sensor

Galaxy Note10+

S10 & S10e have smaller display sizes

Galaxy Note10

5G devices have different cellular modem

Galaxy Tab S6

Fold & Z Flip have 2 displays

Galaxy S10 5G

Fold & Z Flip have folding display

Galaxy S10

Note10+ > Note10 in terms of display size

Galaxy S10e

Note10 devices include S Pen & functionality to take advantage of it for input (not security related)

Galaxy Fold 5G

Tab S6 is tablet (no voice calling) with S Pen

Galaxy Fold

T867 & T865 tablets have LTE, T860 tablets only have Wi-Fi

Galaxy Z Flip

Tab S6 has under screen image fingerprint sensor

In general, the devices include a final letter or number at the end of the name that denotes that the device is for a specific carrier or region (for example, U = US Carrier build and F = International, which were used during the evaluation.

For each device there are specific models which are validated. This table lists the specific carrier models that have the validated configuration (covering both evaluated and equivalent devices).

 

Device Name

Chipset Vendor

Base Model  Number

Carrier Models

Galaxy S21 Ultra 5G

Samsung

SM-G998

B, B/DS, N

Galaxy S21 Ultra 5G

Qualcomm

SM-G998

D, J, U, U1, W

Galaxy S21+ 5G

Samsung

SM-G996

B, B/DS, N

Galaxy S21+ 5G

Qualcomm

SM-G996

D, J, U, U1, W

Galaxy S21 5G

Samsung

SM-G991

B, B/DS, N

Galaxy S21 5G

Qualcomm

SM-G991

D, J, U, U1, W

Galaxy Z Fold2 5G

Qualcomm

SM-F916

B, U, W

Galaxy Note20 Ultra 5G

Samsung

SM-N986

B

Galaxy Note20 Ultra 5G

Qualcomm

SM-N986

C, N, U, W, SC01O*

Galaxy Note20 Ultra LTE

Samsung

SM-N985

F

Galaxy Note20 5G

Samsung

SM-N981

B

Galaxy Note20 5G

Qualcomm

SM-N981

N, U, W

Galaxy Note20 LTE

Samsung

SM-N980

F

Galaxy Tab S7+

Qualcomm

SM-T978

U

SM-T976

B, N

SM-T975

N, None

SM-T970

None

Galaxy Tab S7

Qualcomm

SM-T878

U

SM-T875

N, None

SM-T870

None

Galaxy Z Flip 5G

Qualcomm

SM-F707

B, N, U

Galaxy S20 Ultra 5G

Samsung

SM-G988

B

Galaxy S20 Ultra 5G

Qualcomm

SM-G988

N, U, W

Galaxy S20+ 5G

Samsung

SM-G986

B

Galaxy S20+ 5G

Qualcomm

SM-G986

N, U, W, SC52A*, SCG02*

Galaxy S20+ LTE

Samsung

SM-G985

F

Galaxy S20 5G

Samsung

SM-G981

B

Galaxy S20 5G

Qualcomm

SM-G981

N, U, V, W, SC51A*, SCG01*

Galaxy S20 TE

Qualcomm

SM-G981

U

Galaxy S20 LTE

Samsung

SM-G980

F

Galaxy S20 FE

Samsung

SM-G780

F

Galaxy S20 FE

Qualcomm

SM-G781

B, N, U, V, W

Galaxy XCover Pro

Samsung

SM-G715

A, FN, U, W

Galaxy A51

Samsung

SM-A515

F, U, W

SM-S515

DL

Galaxy Note10+ 5G

Samsung

SM-N976

B, N

Galaxy Note10+ 5G

Qualcomm

SM-N976

U, V

Galaxy Note10+

Samsung

SM-N975

F

Galaxy Note10+

Qualcomm

SM-N975

C, U, SC-01M*, SCV45*

Galaxy Note10 5G

Samsung

SM-N971

N

Galaxy Note10

Samsung

SM-N970

F

Galaxy Note10

Qualcomm

SM-N970

U

Galaxy Tab S6 5G

Qualcomm

SM-T866

N

Galaxy Tab S6

Qualcomm

SM-T867

R4, U, V

SM-T865

N, None

SM-T860

None

Galaxy S10 5G

Samsung

SM-G977

B, N

Galaxy S10 5G

Qualcomm

SM-G977

P, T, U

Galaxy S10+

Samsung

SM-G975

F, N

Galaxy S10+

Qualcomm

SM-G975

U, SC-04L*, SC-05L*, SCV42*

Galaxy S10

Samsung

SM-G973

F, N

Galaxy S10

Qualcomm

SM-G973

U, SC-03L*, SCV41*

Galaxy S10e

Samsung

SM-G970

F, N

Galaxy S10e

Qualcomm

SM-G970

U

Galaxy Fold 5G

Qualcomm

SM-F907

B, N

Galaxy Fold

Qualcomm

SM-F900

F, U, SC-06L*, SCV44*

Galaxy Z Flip

Qualcomm

SM-F700

F, N, U, W, SCV47*


Security Evaluation Summary

The evaluation was carried out in accordance to the Common Criteria Evaluation and Validation Scheme (CCEVS) requirements and guidance. The evaluation demonstrated that the TOE meets the security requirements contained in the Security Target.  The criteria against which the TOE was judged are described in the Common Criteria for Information Technology Security Evaluation, Version 3.1, Revision 5, April 2017. The evaluation methodology used by the evaluation team to conduct the evaluation is the Common Methodology for Information Technology Security Evaluation, Evaluation Methodology, Version 3.1, Revision 5, April 2017.  The product, when delivered and configured as identified in the Samsung Android 11 on Galaxy Devices Administrator Guide, version 7.0, 03/08/2021 document, satisfies all of the security functional requirements stated in the Samsung Electronics Co., Ltd. Samsung Galaxy Devices on Android 11 – Spring Security Target, Version 1.0, 03/11/2021.  The project underwent CCEVS Validator review.  The evaluation was completed in March 2021.  Results of the evaluation can be found in the Common Criteria Evaluation and Validation Scheme Validation Report (report number CCEVS-VR-VID11160-2021) prepared by CCEVS.


Environmental Strengths

The logical boundaries of the Samsung Galaxy Devices on Android 11 - Spring are realized in the security functions that it implements. Each of these security functions is summarized below.

Security Audit:

The TOE generates logs for a range of security relevant events. The TOE stores the logs locally so they can be accessed by an administrator or they can be exported to an MDM.

Cryptographic support:

The TOE includes multiple cryptographic libraries with ACVP certified algorithms for a wide range of cryptographic functions including the following: asymmetric key generation and establishment, symmetric key generation, encryption/decryption, cryptographic hashing and keyed-hash message authentication. These functions are supported with suitable random bit generation, key derivation, salt generation, initialization vector generation, secure key storage, and key and protected data destruction. These primitive cryptographic functions are used to implement security protocols such as TLS, EAP-TLS, IPsec, and HTTPS and to encrypt the media (including the generation and protection of data and key encryption keys) used by the TOE. Many of these cryptographic functions are also accessible as services to applications running on the TOE.

User data protection:

The TOE controls access to system services by hosted applications, including protection of the Trust Anchor Database. Additionally, the TOE protects user and other sensitive data using encryption so that even if a device is physically lost, the data remains protected. The functionality provided by work profiles and Knox Separated Apps enhance the security of user data by providing an additional layer of separation between different categories of apps and data while the device is in use. The TOE ensures that residual information is protected from potential reuse in accessible objects such as network packets.

Identification and authentication:

The TOE supports a number of features related to identification and authentication. From a user perspective, except for making phone calls to an emergency number, a password or Biometric Authentication Factor (BAF) must be correctly entered to unlock the TOE. In addition, even when the TOE is unlocked the password must be re-entered to change the password or re-enroll the biometric template. Passwords are obscured when entered so they cannot be read from the TOE's display, the frequency of entering passwords is limited and when a configured number of failures occurs, the TOE will be wiped to protect its contents. Passwords can be constructed using upper and lower case characters, numbers, and special characters and passwords between 4 and 16 characters are supported.

The TOE can also serve as an 802.1X supplicant and can use X.509v3 and validate certificates for EAP-TLS, TLS and IPsec exchanges. The TOE can also act as a client or server in an authenticated Bluetooth pairing. In addition to storing X.509 certificates used for IPsec connections, the TOE can also securely store pre-shared keys for VPN connections.

Security management:

The TOE provides all the interfaces necessary to manage the security functions (including the VPN client) identified throughout this Security Target as well as other functions commonly found in mobile devices. Many of the available functions are available to users of the TOE while many are restricted to administrators operating through a Mobile Device Management solution once the TOE has been enrolled. Once the TOE has been enrolled and then un-enrolled, it removes all MDM policies and disables CC mode.

Protection of the TSF:

The TOE implements a number of features to protect itself to ensure the reliability and integrity of its security features. It protects particularly sensitive data such as cryptographic keys so that they are not accessible or exportable. It also provides its own timing mechanism to ensure that reliable time information is available (e.g., for log accountability). It enforces read, write, and execute memory page protections, uses address space layout randomization, and stack-based buffer overflow protections to minimize the potential to exploit application flaws. It also protects itself from modification by applications as well as isolates the address spaces of applications from one another to protect those applications.

The TOE includes functions to perform self-tests and software/firmware integrity checking so that it might detect when it is failing or may be corrupt. If any self-tests fail, the TOE will not go into an operational mode. It also includes mechanisms (i.e., verification of the digital signature of each new image) so that the TOE itself can be updated while ensuring that the updates will not introduce malicious or other unexpected changes in the TOE. Digital signature checking also extends to verifying applications prior to their installation.

TOE Access:

The TOE can be locked, obscuring its display, by the user or after a configured interval of inactivity. The TOE also has the capability to display an advisory message (banner) when users unlock the TOE for use.

The TOE is also able to attempt to connect to wireless networks as configured.

Trusted path/channels:

The TOE supports the use of 802.11-2012, 802.1X, EAP-TLS, TLS, HTTPS and IPsec to secure communications channels between itself and other trusted network devices.


Vendor Information


Samsung Electronics Co., Ltd.
Brian Wood
973-440-9125
be.wood@samsung.com

www.samsung.com
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