From fe9a23f542bc56c1c0b6dc30257418e38ff7bd3a Mon Sep 17 00:00:00 2001 From: ftimme <ft@falkotimme.com> Date: Sat, 08 Jun 2013 18:57:40 -0400 Subject: [PATCH] - Fixed FS#2936 - Please check and limit username input length. --- server/plugins-available/getmail_plugin.inc.php | 16 ++++++++++------ 1 files changed, 10 insertions(+), 6 deletions(-) diff --git a/server/plugins-available/getmail_plugin.inc.php b/server/plugins-available/getmail_plugin.inc.php index 6b8a7ee..eb2da0e 100644 --- a/server/plugins-available/getmail_plugin.inc.php +++ b/server/plugins-available/getmail_plugin.inc.php @@ -91,7 +91,7 @@ $this->delete($event_name,$data); // Get the new config file path - $config_file_path = escapeshellcmd($this->getmail_config_dir.'/'.$data["new"]["source_server"].'_'.$data["new"]["source_username"].'.conf'); + $config_file_path = escapeshellcmd($this->getmail_config_dir.'/'.$this->_clean_path($data["new"]["source_server"]).'_'.$this->_clean_path($data["new"]["source_username"]).'.conf'); if(stristr($config_file_path, "..") or stristr($config_file_path, "|") or stristr($config_file_path,";") or stristr($config_file_path,'$')) { $app->log("Possibly faked path for getmail config file: '$config_file_path'. File is not written.",LOGLEVEL_ERROR); return false; @@ -104,15 +104,15 @@ // Shall emails be deleted after retrieval if($data["new"]["source_delete"] == 'y') { - $tpl = str_replace('{DELETE}','1',$tpl); + $tpl = str_replace('{DELETE}','true',$tpl); } else { - $tpl = str_replace('{DELETE}','0',$tpl); + $tpl = str_replace('{DELETE}','false',$tpl); } if($data["new"]["read_all"] == 'y') { - $tpl = str_replace('{READ_ALL}', '1', $tpl); + $tpl = str_replace('{READ_ALL}', 'true', $tpl); } else { - $tpl = str_replace('{READ_ALL}', '0', $tpl); + $tpl = str_replace('{READ_ALL}', 'false', $tpl); } // Set the data retriever @@ -155,7 +155,7 @@ $getmail_config = $app->getconf->get_server_config($conf["server_id"], 'getmail'); $this->getmail_config_dir = $getmail_config["getmail_config_dir"]; - $config_file_path = escapeshellcmd($this->getmail_config_dir.'/'.$data["old"]["source_server"].'_'.$data["old"]["source_username"].'.conf'); + $config_file_path = escapeshellcmd($this->getmail_config_dir.'/'.$this->_clean_path($data["old"]["source_server"]).'_'.$this->_clean_path($data["old"]["source_username"]).'.conf'); if(stristr($config_file_path,"..") || stristr($config_file_path,"|") || stristr($config_file_path,";") || stristr($config_file_path,'$')) { $app->log("Possibly faked path for getmail config file: '$config_file_path'. File is not written.",LOGLEVEL_ERROR); return false; @@ -163,6 +163,10 @@ if(is_file($config_file_path)) unlink($config_file_path); } + function _clean_path($input) { + return preg_replace('/[^A-Za-z0-9\-_]/', '_', $input); + } + } // end class -- Gitblit v1.9.1