On 9/13/13 1:35 AM, Jan Lieskovsky wrote:


From e0675a9045306f8bb35268e2fdddde52de00d62d Mon Sep 17 00:00:00 2001
From: Jan Lieskovsky <jlieskov@redhat.com>
Date: Thu, 12 Sep 2013 17:23:20 +0200
Subject: [PATCH 5/8] Add 'Installing and Maintaining Software' and 'Updating
 Software' XML files.

Signed-off-by: Jan Lieskovsky <jlieskov@redhat.com>
 FEDORA/input/system/software/software.xml |  8 ++++
 FEDORA/input/system/software/updating.xml | 72 +++++++++++++++++++++++++++++++
 2 files changed, 80 insertions(+)
 create mode 100644 FEDORA/input/system/software/software.xml
 create mode 100644 FEDORA/input/system/software/updating.xml

diff --git a/FEDORA/input/system/software/software.xml b/FEDORA/input/system/software/software.xml
new file mode 100644
index 0000000..97558fb
--- /dev/null
+++ b/FEDORA/input/system/software/software.xml
@@ -0,0 +1,8 @@
+<Group id="software">
+<title>Installing and Maintaining Software</title>
+<description>The following sections contain information on
+security-relevant choices during the initial operating system
+installation process and the setup of software
diff --git a/FEDORA/input/system/software/updating.xml b/FEDORA/input/system/software/updating.xml
new file mode 100644
index 0000000..0ad4b79
--- /dev/null
+++ b/FEDORA/input/system/software/updating.xml
@@ -0,0 +1,72 @@
+<Group id="updating">
+<title>Updating Software</title>
+<description>The <tt>yum</tt> command line tool is used to install and
+update software packages. The system also provides a graphical
+software update tool in the <b>System</b> menu, in the <b>Administration</b> submenu,
+called <b>Software Update</b>.
+<br /><br />
+Fedora systems contain an installed software catalog called
+the RPM database, which records metadata of installed packages.  Tools such as
+<tt>yum</tt> or the graphical <b>Software Update</b> ensure usage of RPM
+packages for software installation.  This allows for insight into the current
+inventory of installed software on the system, and is highly recommended.
+<!-- REMINDER: Before telling people to update their systems
+     via the security_patches_up_to_date rule, we must
+     ensure they have configured an update source! -->
+<Rule id="ensure_gpgcheck_globally_activated" severity="high">
+<title>Ensure gpgcheck Enabled In Main Yum Configuration</title>
+<description>The <tt>gpgcheck</tt> option should be used to ensure
+checking of an RPM package's signature always occurs prior to its
+installation. To configure yum to check package signatures before installing
+them, ensure the following line appears in <tt>/etc/yum.conf</tt> in
+the <tt>[main]</tt> section:
+<ocil clause="GPG checking is not enabled">
+To determine whether <tt>yum</tt> is configured to use <tt>gpgcheck</tt>,
+inspect <tt>/etc/yum.conf</tt> and ensure the following appears in the
+<tt>[main]</tt> section:
+A value of <tt>1</tt> indicates that <tt>gpgcheck</tt> is enabled. Absence of a
+<tt>gpgcheck</tt> line or a setting of <tt>0</tt> indicates that it is
+Ensuring the validity of packages' cryptographic signatures prior to
+installation ensures the provenance of the software and
+protects against malicious tampering.
+<ident cce="26709-6" />

These CCE's are operating system specific. We'll need to work with Steve Grubb (+Jeff and NIST?) to get new ones assigned for Fedora. For the time being, we should strip off CCE values for the Fedora content.

+<oval id="yum_gpgcheck_global_activation" />
+<ref nist="SI-7,MA-1(b)" disa="352,663" />
+<tested by="MM" on="20120928"/>
^^ test attestation as mentioned by Dave

+<Rule id="ensure_gpgcheck_never_disabled" severity="high">
+<title>Ensure gpgcheck Enabled For All Yum Package Repositories</title>
+<description>To ensure signature checking is not disabled for
+any repos, remove any lines from files in <tt>/etc/yum.repos.d</tt> of the form:
+<ocil clause="GPG checking is disabled">
+To determine whether <tt>yum</tt> has been configured to disable
+<tt>gpgcheck</tt> for any repos,  inspect all files in
+<tt>/etc/yum.repos.d</tt> and ensure the following does not appear in any
+A value of <tt>0</tt> indicates that <tt>gpgcheck</tt> has been disabled for that repo.
+Ensuring all packages' cryptographic signatures are valid prior to
+installation ensures the provenance of the software and
+protects against malicious tampering.
+<ident cce="26647-8" />
^^ CCE
+<oval id="ensure_gpgcheck_never_disabled" />
+<ref nist="SI-7,MA-1(b)" disa="352,663"/>
+<tested by="MM" on="20120928"/>
^^ test attestation

scap-security-guide mailing list

Shawn Wells
Director, Innovation Programs
shawn@redhat.com | 443.534.0130