Merge branch 'PHP-7.4'

* PHP-7.4:
  Fix bug #78599 (env_path_info underflow can lead to RCE) (CVE-2019-11043)
  bump versions after release
  set versions for release

2 files changed, 70 insertions, 2 deletions

diff --git a/sapi/fpm/tests/bug78599-path-info-underflow.phpt b/sapi/fpm/tests/bug78599-path-info-underflow.phpt
new file mode 100644
index 0000000000..edd4e0d496
--- /dev/null
+++ b/sapi/fpm/tests/bug78599-path-info-underflow.phpt
@@ -0,0 +1,61 @@
+--TEST--
+FPM: bug78599 - env_path_info underflow - CVE-2019-11043
+--SKIPIF--
+<?php include "skipif.inc"; ?>
+--FILE--
+<?php
+
+require_once "tester.inc";
+
+$cfg = <<<EOT
+[global]
+error_log = {{FILE:LOG}}
+[unconfined]
+listen = {{ADDR}}
+pm = dynamic
+pm.max_children = 5
+pm.start_servers = 1
+pm.min_spare_servers = 1
+pm.max_spare_servers = 3
+EOT;
+
+$code = <<<EOT
+<?php
+echo "Test Start\n";
+var_dump(\$_SERVER["PATH_INFO"]);
+echo "Test End\n";
+EOT;
+
+$tester = new FPM\Tester($cfg, $code);
+$tester->start();
+$tester->expectLogStartNotices();
+$uri = $tester->makeSourceFile();
+$tester
+    ->request(
+        '',
+        [
+            'SCRIPT_FILENAME' => $uri . "/" . str_repeat('A', 35),
+            'PATH_INFO'       => '',
+            'HTTP_HUI'        => str_repeat('PTEST', 1000),
+        ],
+        $uri
+    )
+    ->expectBody(
+        [
+            'Test Start',
+            'string(0) ""',
+            'Test End'
+        ]
+    );
+$tester->terminate();
+$tester->close();
+
+?>
+Done
+--EXPECT--
+Done
+--CLEAN--
+<?php
+require_once "tester.inc";
+FPM\Tester::clean();
+?>
diff --git a/sapi/fpm/tests/tester.inc b/sapi/fpm/tests/tester.inc
index 0bbf0c5100..b2a387638e 100644
--- a/sapi/fpm/tests/tester.inc
+++ b/sapi/fpm/tests/tester.inc
@@ -509,7 +509,7 @@ class Tester
             return new Response(null, true);
         }
         if (is_null($uri)) {
-            $uri = $this->makeFile('src.php', $this->code);
+            $uri = $this->makeSourceFile();
         }
 
         $params = array_merge(
@@ -534,7 +534,6 @@ class Tester
             ],
             $headers
         );
-
         try {
             $this->response = new Response(
                 $this->getClient($address, $connKeepAlive)->request_data($params, false)
@@ -941,6 +940,14 @@ class Tester
     }
 
     /**
+     * @return string
+     */
+    public function makeSourceFile()
+    {
+        return $this->makeFile('src.php', $this->code);
+    }
+
+    /**
      * @param string|null $msg
      */
     private function message($msg)