|
| 1 | +import os |
| 2 | +import unittest |
| 3 | +from .helpers.ptrack_helpers import ProbackupTest, ProbackupException |
| 4 | + |
| 5 | +module_name = 'CVE-2018-1058' |
| 6 | + |
| 7 | +class CVE_2018_1058(ProbackupTest, unittest.TestCase): |
| 8 | + |
| 9 | + # @unittest.skip("skip") |
| 10 | + def test_basic_default_search_path(self): |
| 11 | + """""" |
| 12 | + fname = self.id().split('.')[3] |
| 13 | + backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup') |
| 14 | + node = self.make_simple_node( |
| 15 | + base_dir=os.path.join(module_name, fname, 'node'), |
| 16 | + set_replication=True) |
| 17 | + |
| 18 | + self.init_pb(backup_dir) |
| 19 | + self.add_instance(backup_dir, 'node', node) |
| 20 | + node.slow_start() |
| 21 | + |
| 22 | + node.safe_psql( |
| 23 | + 'postgres', |
| 24 | + "CREATE FUNCTION public.pgpro_edition() " |
| 25 | + "RETURNS text " |
| 26 | + "AS $$ " |
| 27 | + "BEGIN " |
| 28 | + " RAISE 'pg_probackup vulnerable!'; " |
| 29 | + "END " |
| 30 | + "$$ LANGUAGE plpgsql") |
| 31 | + |
| 32 | + self.backup_node(backup_dir, 'node', node, backup_type='full', options=['--stream']) |
| 33 | + |
| 34 | + # Clean after yourself |
| 35 | + self.del_test_dir(module_name, fname) |
| 36 | + |
| 37 | + # @unittest.skip("skip") |
| 38 | + def test_basic_backup_modified_search_path(self): |
| 39 | + """""" |
| 40 | + fname = self.id().split('.')[3] |
| 41 | + backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup') |
| 42 | + node = self.make_simple_node( |
| 43 | + base_dir=os.path.join(module_name, fname, 'node'), |
| 44 | + set_replication=True) |
| 45 | + self.set_auto_conf(node, options={'search_path': 'public,pg_catalog'}) |
| 46 | + |
| 47 | + self.init_pb(backup_dir) |
| 48 | + self.add_instance(backup_dir, 'node', node) |
| 49 | + node.slow_start() |
| 50 | + |
| 51 | + node.safe_psql( |
| 52 | + 'postgres', |
| 53 | + "CREATE FUNCTION public.pg_control_checkpoint(OUT timeline_id integer, OUT dummy integer) " |
| 54 | + "RETURNS record " |
| 55 | + "AS $$ " |
| 56 | + "BEGIN " |
| 57 | + " RAISE '% vulnerable!', 'pg_probackup'; " |
| 58 | + "END " |
| 59 | + "$$ LANGUAGE plpgsql") |
| 60 | + |
| 61 | + node.safe_psql( |
| 62 | + 'postgres', |
| 63 | + "CREATE FUNCTION public.pg_proc(OUT proname name, OUT dummy integer) " |
| 64 | + "RETURNS record " |
| 65 | + "AS $$ " |
| 66 | + "BEGIN " |
| 67 | + " RAISE '% vulnerable!', 'pg_probackup'; " |
| 68 | + "END " |
| 69 | + "$$ LANGUAGE plpgsql; " |
| 70 | + "CREATE VIEW public.pg_proc AS SELECT proname FROM public.pg_proc()") |
| 71 | + |
| 72 | + self.backup_node(backup_dir, 'node', node, backup_type='full', options=['--stream']) |
| 73 | + |
| 74 | + log_file = os.path.join(node.logs_dir, 'postgresql.log') |
| 75 | + with open(log_file, 'r') as f: |
| 76 | + log_content = f.read() |
| 77 | + self.assertFalse( |
| 78 | + 'pg_probackup vulnerable!' in log_content) |
| 79 | + |
| 80 | + # Clean after yourself |
| 81 | + self.del_test_dir(module_name, fname) |
| 82 | + |
| 83 | + # @unittest.skip("skip") |
| 84 | + def test_basic_checkdb_modified_search_path(self): |
| 85 | + """""" |
| 86 | + fname = self.id().split('.')[3] |
| 87 | + node = self.make_simple_node( |
| 88 | + base_dir=os.path.join(module_name, fname, 'node'), |
| 89 | + initdb_params=['--data-checksums']) |
| 90 | + self.set_auto_conf(node, options={'search_path': 'public,pg_catalog'}) |
| 91 | + node.slow_start() |
| 92 | + |
| 93 | + node.safe_psql( |
| 94 | + 'postgres', |
| 95 | + "CREATE FUNCTION public.pg_database(OUT datname name, OUT oid oid, OUT dattablespace oid) " |
| 96 | + "RETURNS record " |
| 97 | + "AS $$ " |
| 98 | + "BEGIN " |
| 99 | + " RAISE 'pg_probackup vulnerable!'; " |
| 100 | + "END " |
| 101 | + "$$ LANGUAGE plpgsql; " |
| 102 | + "CREATE VIEW public.pg_database AS SELECT * FROM public.pg_database()") |
| 103 | + |
| 104 | + node.safe_psql( |
| 105 | + 'postgres', |
| 106 | + "CREATE FUNCTION public.pg_extension(OUT extname name, OUT extnamespace oid, OUT extversion text) " |
| 107 | + "RETURNS record " |
| 108 | + "AS $$ " |
| 109 | + "BEGIN " |
| 110 | + " RAISE 'pg_probackup vulnerable!'; " |
| 111 | + "END " |
| 112 | + "$$ LANGUAGE plpgsql; " |
| 113 | + "CREATE FUNCTION public.pg_namespace(OUT oid oid, OUT nspname name) " |
| 114 | + "RETURNS record " |
| 115 | + "AS $$ " |
| 116 | + "BEGIN " |
| 117 | + " RAISE 'pg_probackup vulnerable!'; " |
| 118 | + "END " |
| 119 | + "$$ LANGUAGE plpgsql; " |
| 120 | + "CREATE VIEW public.pg_extension AS SELECT * FROM public.pg_extension();" |
| 121 | + "CREATE VIEW public.pg_namespace AS SELECT * FROM public.pg_namespace();" |
| 122 | + ) |
| 123 | + |
| 124 | + try: |
| 125 | + self.checkdb_node( |
| 126 | + options=[ |
| 127 | + '--amcheck', |
| 128 | + '--skip-block-validation', |
| 129 | + '-d', 'postgres', '-p', str(node.port)]) |
| 130 | + self.assertEqual( |
| 131 | + 1, 0, |
| 132 | + "Expecting Error because amcheck{,_next} not installed\n" |
| 133 | + " Output: {0} \n CMD: {1}".format( |
| 134 | + repr(self.output), self.cmd)) |
| 135 | + except ProbackupException as e: |
| 136 | + self.assertIn( |
| 137 | + "WARNING: Extension 'amcheck' or 'amcheck_next' are not installed in database postgres", |
| 138 | + e.message, |
| 139 | + "\n Unexpected Error Message: {0}\n CMD: {1}".format( |
| 140 | + repr(e.message), self.cmd)) |
| 141 | + |
| 142 | + # Clean after yourself |
| 143 | + self.del_test_dir(module_name, fname) |
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