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IBM AIX 7.x Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • On AIX, the SSH server must not permit root logins using remote access programs.

    <VulnDiscussion>Permitting direct root login reduces auditable information about who ran privileged commands on the system and also allows di...
    Rule Medium Severity
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
    Show

  • All AIX shells referenced in passwd file must be listed in /etc/shells file, except any shells specified for the purpose of preventing logins.

    &lt;VulnDiscussion&gt;The /etc/shells file lists approved default shells. It helps provide layered defense to the security approach by ensuring use...
    Rule Medium Severity
    Show

  • SRG-OS-000033-GPOS-00014

    <GroupDescription></GroupDescription>
    Group
    Show

  • The AIX SSH server must use SSH Protocol 2.

    &lt;VulnDiscussion&gt;Without confidentiality protection mechanisms, unauthorized individuals may gain access to sensitive information via a remote...
    Rule Medium Severity
    Show

  • SRG-OS-000279-GPOS-00109

    <GroupDescription></GroupDescription>
    Group
    Show

  • AIX must config the SSH idle timeout interval.

    &lt;VulnDiscussion&gt;Automatic session termination addresses the termination of user-initiated logical sessions in contrast to the termination of ...
    Rule Medium Severity
    Show

  • SRG-OS-000365-GPOS-00152

    <GroupDescription></GroupDescription>
    Group
    Show

  • AIX must disable Kerberos Authentication in ssh config file to enforce access restrictions.

    &lt;VulnDiscussion&gt;Without auditing the enforcement of access restrictions against changes to the application configuration, it will be difficul...
    Rule Medium Severity
    Show

  • SRG-OS-000373-GPOS-00158

    <GroupDescription></GroupDescription>
    Group
    Show

  • If GSSAPI authentication is not required on AIX, the SSH daemon must disable GSSAPI authentication.

    &lt;VulnDiscussion&gt;GSSAPI authentication is used to provide additional authentication mechanisms to applications. Allowing GSSAPI authentication...
    Rule Medium Severity
    Show

  • SRG-OS-000384-GPOS-00167

    <GroupDescription></GroupDescription>
    Group
    Show

  • AIX must setup SSH daemon to disable revoked public keys.

    &lt;VulnDiscussion&gt;Without configuring a local cache of revocation data, there is the potential to allow access to users who are no longer autho...
    Rule Medium Severity
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
    Show

  • AIX SSH daemon must be configured to only use Message Authentication Codes (MACs) employing FIPS 140-2 approved cryptographic hash algorithms.

    &lt;VulnDiscussion&gt;DoD information systems are required to use FIPS 140-2 approved cryptographic hash functions.&lt;/VulnDiscussion&gt;&lt;False...
    Rule Medium Severity
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
    Show

  • The AIX SSH daemon must be configured for IP filtering.

    &lt;VulnDiscussion&gt;The SSH daemon must be configured for IP filtering to provide a layered defense against connection attempts from unauthorized...
    Rule Medium Severity
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
    Show

  • The AIX SSH daemon must not allow compression.

    &lt;VulnDiscussion&gt;If compression is allowed in an SSH connection prior to authentication, vulnerabilities in the compression software could res...
    Rule Medium Severity
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
    Show

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