chore: tests for CVE-2023-32712 added (#306)

.github/workflows/build-test-release.yml

@@ -127,6 +127,7 @@ jobs:
           echo -e "[user_info]\nUSERNAME=Admin\nPASSWORD=Chang3d"'!' | sudo tee -a /opt/splunk/etc/system/local/user-seed.conf
           echo 'OPTIMISTIC_ABOUT_FILE_LOCKING=1' | sudo tee -a /opt/splunk/etc/splunk-launch.conf
           sudo /opt/splunk/bin/splunk start --accept-license
+          sudo /opt/splunk/bin/splunk cmd python -m pip install solnlib
           sudo /opt/splunk/bin/splunk set servername custom-servername -auth admin:Chang3d!
           sudo /opt/splunk/bin/splunk restart
           until curl -k -s -u admin:Chang3d! https://localhost:8089/services/server/info\?output_mode\=json | jq '.entry[0].content.kvStoreStatus' | grep -o "ready" ; do echo -n "Waiting for KVStore to become ready-" && sleep 5 ; done
@@ -177,4 +178,4 @@ jobs:
         uses: splunk/[email protected]
         with:
           pypi_username: ${{ secrets.PYPI_USERNAME }}
-          pypi_token: ${{ secrets.PYPI_TOKEN }}
+          pypi_token: ${{ secrets.PYPI_TOKEN }}

tests/integration/data/solnlib_demo/bin/solnlib_demo_collector.py

@@ -71,6 +71,15 @@ def extra_arguments(self):
     # Override do_run function
     def do_run(self, inputs):
         logger.info("Solnlib demo modular input start...")
+        # for CVE-2023-32712 integration test
+        msg = "ASCII Table in one string: "
+        for i in range(9):
+            msg += chr(i)
+        for i in range(11, 13):
+            msg += chr(i)
+        for i in range(14, 128):
+            msg += chr(i)
+        logger.info(msg)
         # Register orphan process handler
         self.register_orphan_handler(orphan_handler, self)
         # Register teardown signal handler

tests/integration/test_logger.py

@@ -0,0 +1,63 @@
+#
+# Copyright 2021 Splunk Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+import os.path as op
+import sys
+import time
+
+sys.path.insert(0, op.dirname(op.dirname(op.abspath(__file__))))
+import context
+from _search import search
+
+
+def test_CVE_2023_32712():
+    # CVE-2023-32712
+    session_key = context.get_session_key()
+
+    msg_prefix = "ASCII Table in one string: "
+    time.sleep(30)
+    search_results = search(session_key, f'search index=_internal "{msg_prefix}"')
+    assert len(search_results) >= 1
+    _raw_event = search_results[0]["_raw"]
+
+    # test for nonwhite characters and white characters as they should be represented in fixed Splunk instance
+    assert r"\x00" in _raw_event
+    assert r"\x01\x02\x03\x04\x05\x06\x07\x08" in _raw_event
+    # assert "\t\n" in _raw_event
+    assert r"\x0b\x0c" in _raw_event
+    # assert "\r" in _raw_event
+    assert (
+        r"\x0e\x0f\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f"
+        in _raw_event
+    )
+    assert (
+        " !\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~"
+        in _raw_event
+    )
+    assert r"\x7f" in _raw_event
+
+    # test for white characters as they shouldn't be represented in fixed Splunk instance
+    def gen_ascii_chars_range(start: int = 0, stop: int = 128) -> str:
+        chars_str = ""
+        for i in range(start, stop):
+            chars_str += chr(i)
+        return chars_str
+
+    ascii_chars_range_00_09 = gen_ascii_chars_range(start=0, stop=9)
+    ascii_chars_range_0b_0d = gen_ascii_chars_range(start=11, stop=13)
+    ascii_chars_range_0e_20 = gen_ascii_chars_range(start=14, stop=32)
+    assert ascii_chars_range_00_09 not in _raw_event
+    assert ascii_chars_range_0b_0d not in _raw_event
+    assert ascii_chars_range_0e_20 not in _raw_event