[doc] add an example scribe policy around CVE-2015-7547

This policy identifies systems that have an updated version of glibc
installed that also have an uptime that exceeds that specified in the
policy.

actions/scribe/glibc-CVE-2015-7547-noreboot-scribe.json

@@ -0,0 +1,87 @@
+{
+    "objects": [
+        {
+            "filecontent": {
+                "expression": ".*Red Hat.*(release \\d+)\\..*",
+                "file": "^redhat-release$",
+                "path": "/etc"
+            },
+            "filename": {},
+            "hasline": {},
+            "object": "obj-release-redhatrelease",
+            "package": {},
+            "raw": {}
+        },
+        {
+            "filecontent": {},
+            "filename": {},
+            "hasline": {},
+            "object": "obj-package-glibc",
+            "package": {
+                "name": "glibc"
+            },
+            "raw": {}
+        },
+        {
+            "filecontent": {
+                "concat": ".",
+                "expression": "^(\\S+)\\.\\S+ \\S+",
+                "file": "^uptime$",
+                "import-chain": [
+                    "raw-append"
+                ],
+                "path": "/proc"
+            },
+            "object": "/proc/uptime"
+        },
+        {
+            "object": "raw-append",
+            "raw": {
+                "identifiers": [
+                    {
+                        "identifier": "raw0",
+                        "value": "0"
+                    }
+                ]
+            }
+        }
+    ],
+    "tests": [
+        {
+            "evr": {},
+            "exactmatch": {
+                "value": "release 6"
+            },
+            "name": "",
+            "object": "obj-release-redhatrelease",
+            "regexp": {},
+            "test": "test-release-redhat-rhel6"
+        },
+        {
+            "description": "RedHat Update for glibc RHSA-2016:0175-1",
+            "evr": {
+                "operation": "=",
+                "value": "2.12-1.166.el6_7.7"
+            },
+            "exactmatch": {},
+            "if": [
+                "test-release-redhat-rhel6"
+            ],
+            "name": "test-redhat-rhel6-glibc-0",
+            "object": "obj-package-glibc",
+            "regexp": {},
+            "test": "26eb87f84808a347e3ce6955bffc9c02"
+        },
+        {
+            "evr": {
+                "operation": ">",
+                "value": "345600.0"
+            },
+            "if": [
+                "26eb87f84808a347e3ce6955bffc9c02"
+            ],
+            "object": "/proc/uptime",
+            "test": "test-uptime"
+        }
+    ]
+}