Applied SUPEE-9652

Author: drobinson

lib/Zend/Mail/Transport/Sendmail.php

@@ -119,14 +119,19 @@ public function _sendMail()
                 );
             }
 
-            set_error_handler(array($this, '_handleMailErrors'));
-            $result = mail(
-                $this->recipients,
-                $this->_mail->getSubject(),
-                $this->body,
-                $this->header,
-                $this->parameters);
-            restore_error_handler();
+            // Sanitize the From header
+            if (!Zend_Validate::is(str_replace(' ', '', $this->parameters), 'EmailAddress')) {
+                throw new Zend_Mail_Transport_Exception('Potential code injection in From header');
+            } else {
+                set_error_handler(array($this, '_handleMailErrors'));
+                $result = mail(
+                    $this->recipients,
+                    $this->_mail->getSubject(),
+                    $this->body,
+                    $this->header,
+                    $this->parameters);
+                restore_error_handler();
+            }
         }
 
         if ($this->_errstr !== null || !$result) {