SharePoint must use mechanisms for authentication to a cryptographic module that meet the requirements of applicable federal laws, Executive Orders, directives, policies, regulations, standards, and guidance for such authentication.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-59989	SP13-00-000145	SV-74419r3_rule		High

Description

Encryption is only as good as the encryption modules utilized. Unapproved cryptographic module algorithms cannot be verified, and cannot be relied upon to provide confidentiality or integrity and DoD data may be compromised due to weak algorithms. Applications utilizing encryption are required to use approved encryption modules that meet the requirements of applicable federal laws, Executive Orders, directives, policies, regulations, standards, and guidance. FIPS 140-2 is the current standard for validating cryptographic modules and NSA Type-X (where X=1, 2, 3, 4) products are NSA certified hardware based encryption modules.

STIG	Date
MS SharePoint 2013 Security Technical Implementation Guide	2019-01-08

Details

Check Text ( C-60679r3_chk )

Review the SharePoint server configuration to ensure mechanisms are used for authentication to a cryptographic module that meet the requirements of applicable federal laws, Executive Orders, directives, policies, regulations, standards, and guidance for such authentication. Open MMC. Click "File", "Add/Remove Snap-in", and "add Group Policy Object Editor". Enter a name for the Group Policy Object, or accept the default. Click "Finish". Click "OK". Navigate to Computer Policy >> Computer Configuration >> Administrative Templates >> Network >> SSL Configuration settings. Right-click "SSL Configuration Settings", click "SSL Cipher Suite Orde"r, click "Edit". In the "SSL Cipher Suite Order" dialog box, if "Enabled" is not selected, this is a finding. Under Options, in the "SSL Cipher Suites" text box, verify the following text is displayed: TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384_P521,TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384_P384,TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256_P521,TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256_P384,TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256_P256,TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384_P521,TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384_P384,TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256_P521,TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256_P384,TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256_P256,TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P521,TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P384,TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P256,TLS_RSA_WITH_AES_256_GCM_SHA384,TLS_RSA_WITH_AES_128_GCM_SHA256,TLS_DHE_RSA_WITH_AES_256_GCM_SHA384,TLS_DHE_RSA_WITH_AES_256_CBC_SHA Click "OK". If any ciphers other than those listed above are present, this is a finding.

Fix Text (F-65399r4_fix)

Configure the SharePoint server to use mechanisms for authentication to a cryptographic module that meet the requirements of applicable federal laws, Executive Orders, directives, policies, regulations, standards, and guidance for such authentication. Open MMC. Click “File”, “Add/Remove Snap-in”, and “add Group Policy Object Editor”. Enter a name for the Group Policy Object, or accept the default. Click “Finish”. Click “OK”. Navigate to Computer Policy >> Computer Configuration >> Administrative Templates >> Network >> SSL Configuration settings. Right-click “SSL Configuration Settings”, click “SSL Cipher Suite Order”, and then click “Edit”. In the “SSL Cipher Suite Order” dialog box, select "Enabled" option. Under Options, in the SSL Cipher Suites text box, delete everything, and then copy and paste from the following text: TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384_P521,TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384_P384,TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256_P521,TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256_P384,TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256_P256,TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384_P521,TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384_P384,TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256_P521,TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256_P384,TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256_P256,TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P521,TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P384,TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P256,TLS_RSA_WITH_AES_256_GCM_SHA384,TLS_RSA_WITH_AES_128_GCM_SHA256,TLS_DHE_RSA_WITH_AES_256_GCM_SHA384,TLS_DHE_RSA_WITH_AES_256_CBC_SHA Click “OK”.