III - Administrative Sensitive
Rules and Groups employed by this XCCDF Profile
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SRG-NET-000079-VPN-000300
<GroupDescription></GroupDescription>Group -
The Cisco ASA remote access VPN server must be configured to generate log records containing information that establishes the identity of any individual or process associated with the event.
<VulnDiscussion>Without information that establishes the identity of the subjects (i.e., users or processes acting on behalf of users) associ...Rule Medium Severity -
SRG-NET-000088-VPN-000310
<GroupDescription></GroupDescription>Group -
The Cisco ASA remote access VPN server must be configured to generate log records containing information to establish where the events occurred.
<VulnDiscussion>Without establishing where events occurred, it is impossible to establish, correlate, and investigate the events leading up t...Rule Medium Severity -
SRG-NET-000089-VPN-000330
<GroupDescription></GroupDescription>Group -
The Cisco ASA remote access VPN server must be configured to generate log records containing information to establish the source of the events.
<VulnDiscussion>Without establishing the source of the event, it is impossible to establish, correlate, and investigate the events leading up...Rule Low Severity -
SRG-NET-000091-VPN-000350
<GroupDescription></GroupDescription>Group -
The Cisco ASA remote access VPN server must be configured to produce log records containing information to establish the outcome of the events.
<VulnDiscussion>Without information about the outcome of events, security personnel cannot make an accurate assessment as to whether an attac...Rule Medium Severity -
SRG-NET-000062-VPN-000200
<GroupDescription></GroupDescription>Group -
The Cisco ASA remote access VPN server must be configured to use TLS 1.2 or higher to protect the confidentiality of remote access connections.
<VulnDiscussion>Using older unauthorized versions or incorrectly configuring protocol negotiation makes the gateway vulnerable to known and u...Rule High Severity -
SRG-NET-000063-VPN-000210
<GroupDescription></GroupDescription>Group -
The Cisco ASA remote access VPN server must be configured to use a FIPS-validated algorithm and hash function to protect the integrity of TLS remote access sessions.
<VulnDiscussion>Without integrity protection, unauthorized changes may be made to the log files and reliable forensic analysis and discovery ...Rule Medium Severity -
SRG-NET-000234-VPN-000810
<GroupDescription></GroupDescription>Group -
The Cisco ASA remote access VPN server must be configured to generate unique session identifiers using a FIPS-validated Random Number Generator (RNG) based on the Deterministic Random Bit Generators (DRBG) algorithm.
<VulnDiscussion>Both IPsec and TLS gateways use the RNG to strengthen the security of the protocols. Using a weak RNG will weaken the protoco...Rule Medium Severity -
SRG-NET-000063-VPN-000220
<GroupDescription></GroupDescription>Group -
The Cisco ASA remote access VPN server must be configured to use SHA-2 at 384 bits or greater for hashing to protect the integrity of IPsec remote access sessions.
<VulnDiscussion>Without strong cryptographic integrity protections, information can be altered by unauthorized users without detection. SHA-...Rule Medium Severity -
SRG-NET-000317-VPN-001090
<GroupDescription></GroupDescription>Group -
The Cisco VPN remote access server must be configured to use AES256 or greater encryption for the Internet Key Exchange (IKE) Phase 1 to protect confidentiality of remote access sessions.
<VulnDiscussion>Without confidentiality protection mechanisms, unauthorized individuals may gain access to sensitive information via a remote...Rule High Severity -
SRG-NET-000525-VPN-002330
<GroupDescription></GroupDescription>Group -
The Cisco ASA VPN remote access server must be configured to use AES256 or greater encryption for the IPsec security association to protect the confidentiality of remote access sessions.
<VulnDiscussion>Without confidentiality protection mechanisms, unauthorized individuals may gain access to sensitive information via a remote...Rule High Severity -
SRG-NET-000341-VPN-001350
<GroupDescription></GroupDescription>Group -
The Cisco VPN remote access server must be configured to accept Common Access Card (CAC) credential credentials.
<VulnDiscussion>The use of PIV credentials facilitates standardization and reduces the risk of unauthorized access. DoD has mandated the use...Rule Medium Severity -
SRG-NET-000369-VPN-001620
<GroupDescription></GroupDescription>Group -
The Cisco ASA VPN remote access server must be configured to disable split-tunneling for remote clients.
<VulnDiscussion>Split tunneling would in effect allow unauthorized external connections, making the system more vulnerable to attack and to e...Rule Medium Severity -
SRG-NET-000492-VPN-001980
<GroupDescription></GroupDescription>Group -
The Cisco ASA VPN remote access server must be configured to generate log records when successful and/or unsuccessful VPN connection attempts occur.
<VulnDiscussion>Without generating log records that are specific to the security and mission needs of the organization, it would be difficult...Rule Medium Severity -
SRG-NET-000580-VPN-002410
<GroupDescription></GroupDescription>Group -
The Cisco ASA VPN remote access server must be configured to validate certificates used for Transport Layer Security (TLS) functions by performing RFC 5280-compliant certification path validation.
<VulnDiscussion>A certificate's certification path is the path from the end entity certificate to a trusted root certification authority (CA)...Rule Medium Severity -
SRG-NET-000565-VPN-002390
<GroupDescription></GroupDescription>Group -
The Cisco ASA VPN remote access server must be configured to use an approved High Assurance Commercial Solution for Classified (CSfC) cryptographic algorithm for remote access to a classified network.
<VulnDiscussion>Use of improperly configured or lower assurance equipment and solutions could compromise high-value information. The Nationa...Rule High Severity
Node 2
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