安全設(shè)置五:任意文件上傳漏洞
①、漏洞文件① /include/dialog/select_soft_post.php
$fullfilename = $cfg_basedir.$activepath.'/'.$filename; 修改為 if (preg_match('#.(php|pl|cgi|asp|aspx|jsp|php5|php4|php3|shtm|shtml)[^a-zA-Z0-9]+$#i', trim($filename))) { ShowMsg("你指定的文件名被系統(tǒng)禁止!",'javascript:;'); exit(); } $fullfilename = $cfg_basedir.$activepath.'/'.$filename; |
②、漏洞文件 /dede/media_add.php
這是后臺文件任意上傳漏洞(上面有說刪除此文件,如果不刪除,需要使用這個功能,那么修改以下代碼補掉漏洞)
$fullfilename = $cfg_basedir.$filename; 修改為 if (preg_match('#.(php|pl|cgi|asp|aspx|jsp|php5|php4|php3|shtm|shtml)[^a-zA-Z0-9]+$#i', trim($filename))) { ShowMsg("你指定的文件名被系統(tǒng)禁止!",'javascript:;'); exit(); } $fullfilename = $cfg_basedir.$filename; |
③、漏洞文件 /include/uploadsafe.inc.php (修改兩個地方)
$image_dd = @getimagesize($$_key); 修改為 $image_dd = @getimagesize($$_key); if($image_dd == false){ continue; } |
${$_key.'_size'} = @filesize($$_key);} 修改為 ${$_key.'_size'} = @filesize($$_key);} $imtypes = array("image/pjpeg", "image/jpeg", "image/gif", "image/png", "image/xpng", "image/wbmp", "image/bmp"); if(in_array(strtolower(trim(${$_key.'_type'})), $imtypes)) { $image_dd = @getimagesize($$_key); if($image_dd == false){ continue; } if (!is_array($image_dd)) { exit('Upload filetype not allow !');} } |
安全設(shè)置六、SQL注入漏洞
①、漏洞文件 /include/filter.inc.php (大概在46行)
return $svar; 修改為 return addslashes($svar); |
②、漏洞文件 /plus/search.php (大概在109行)
$keyword = addslashes(cn_substr($keyword,30)); 修改為 $typeid = intval($typeid); $keyword = addslashes(cn_substr($keyword,30)); |
③、漏洞文件 /member/mtypes.php (大概在71行)
$query = "UPDATE `dede_mtypes` SET mtypename='$name' WHERE mtypeid='$id' AND mid='$cfg_ml->M_ID'"; 修改為 $id = intval($id); $query = "UPDATE `dede_mtypes` SET mtypename='$name' WHERE mtypeid='$id' AND mid='$cfg_ml->M_ID'"; |
④、漏洞文件 /member/pm.php文件 (大概在65行)
$row = $dsql->GetOne("SELECT * FROM `dede_member_pms` WHERE id='$id' AND (fromid='{$cfg_ml->M_ID}' OR toid='{$cfg_ml->M_ID}')"); 修改為 $id = intval($id); $row = $dsql->GetOne("SELECT * FROM `dede_member_pms` WHERE id='$id' AND (fromid='{$cfg_ml->M_ID}' OR toid='{$cfg_ml->M_ID}')"); |
⑤、漏洞文件 /plus/guestbook/edit.inc.php (大概在55行)
$dsql->ExecuteNoneQuery("UPDATE `dede_guestbook` SET `msg`='$msg', `posttime`='".time()."' WHERE id='$id' "); 修改為 $msg = addslashes($msg); $dsql->ExecuteNoneQuery("UPDATE `dede_guestbook` SET `msg`='$msg', `posttime`='".time()."' WHERE id='$id' ");; |
⑥、漏洞文件 /member/soft_add.php (大概在154行)
$urls .= "{dede:link islocal='1' text='{$servermsg1}'} $softurl1 {/dede:link} "; 修改為 if (preg_match("#}(.*?){/dede:link}{dede:#sim", $servermsg1) != 1) { $urls .= "{dede:link islocal='1' text='{$servermsg1}'} $softurl1 {/dede:link} "; } |
⑦、漏洞文件 /member/article_add.php (大概在83行,cookies泄漏導(dǎo)致SQL漏洞)
if (empty($dede_fieldshash) || $dede_fieldshash != md5($dede_addonfields.$cfg_cookie_encode)) 修改為 if (empty($dede_fieldshash) || ( $dede_fieldshash != md5($dede_addonfields . $cfg_cookie_encode) && $dede_fieldshash != md5($dede_addonfields . 'anythingelse' . $cfg_cookie_encode))) |
⑧、漏洞文件 /member/album_add.php (大約220行,對輸入?yún)?shù)mtypesid未進(jìn)行int整型轉(zhuǎn)義,導(dǎo)致SQL注入發(fā)生)
$description = HtmlReplace($description, -1);//2011.06.30 增加html過濾 (by:織夢的魚) 修改為 $description = HtmlReplace($description, -1);//2011.06.30 增加html過濾 (by:織夢的魚) $mtypesid = intval($mtypesid); |
⑨、漏洞文件 /member/inc/inc_archives_functions.php (大概在239行,cookies泄漏導(dǎo)致SQL漏洞)
echo "<input type="hidden" name="dede_fieldshash" value="".md5($dede_addonfields.$cfg_cookie_encode)."" />"; 修改為 echo "<input type="hidden" name="dede_fieldshash" value="". md5($dede_addonfields . 'anythingelse' .$cfg_cookie_encode) ."" />"; |
⑩、漏洞文件 /include/common.inc.php (SESSION變量覆蓋導(dǎo)致SQL注入漏洞,最新的版本中已經(jīng)修復(fù))
if( strlen($svar)>0 && preg_match('#^(cfg_|GLOBALS|_GET|_POST|_COOKIE)#',$svar) ) 修改為 if( strlen($svar)>0 && preg_match('#^(cfg_|GLOBALS|_GET|_POST|_COOKIE|_SESSION)#',$svar) ) |
⑪、漏洞文件 /include/payment/alipay.php (支付模塊注入漏洞,此漏洞織夢官方在最新的版本中已經(jīng)修復(fù))
$order_sn = trim($_GET['out_trade_no']); 修改為 $order_sn = trim(addslashes($_GET['out_trade_no'])); |
⑫、漏洞文件 /include/dedesql.class.php (大概在590行)
if(isset($GLOBALS['arrs1'])) 修改為 $arrs1 = array(); $arrs2 = array(); if(isset($GLOBALS['arrs1'])) |
⑬、漏洞文件 /member/inc/archives_check_edit.php (大概第92行,dedecms前臺任意文件刪除(需要會員中心),發(fā)表文章處,對于編輯文章的時候圖片參數(shù)處理不當(dāng),導(dǎo)致了任意文件刪除)
$litpic =$oldlitpic; 修改為 $litpic =$oldlitpic; if (strpos( $litpic, '..') !== false || strpos( $litpic, $cfg_user_dir."/{$userid}/" ) === false) exit('not allowed path!'); |
安全設(shè)置五:無用文件中的風(fēng)險代碼刪除
① dede empletslogin_ad.htm(這是織夢默認(rèn)后臺登陸界面的廣告代碼,沒用,刪除以下這段代碼)
<!--<script type="text/javascript" src="<?php echo UPDATEHOST;?>/dedecms/loginad.<?php echo $cfg_soft_lang; ?>.js"></script>--> <div class="dede-ad"> <ul> <script type="text/javascript"src="http://ad.dedecms.com/adsview/?action=single&key=admcploginad&charset=gbk"></script> </ul> </div> |
② dede empletsindex_body.htm(織夢的后臺首頁模板文件,刪除以下這段廣告代碼)
<iframe name="showad" src="index_body.php?dopost=showad" frameborder="0" width="100%" id="showad" frameborder="0" scrolling="no" marginheight="5"></iframe> |
③ dedemodule_main.php(向織夢官網(wǎng)發(fā)送卸載或安裝插件的信息,若服務(wù)器配置不高,或不支持采集(下載),那會卡死!注釋掉以下代碼)
SendData($hash);//321行 SendData($hash,2);//527行 |
④ include agliblink.lib.php(織夢官方友鏈上傳的代碼,沒有用,刪除,否則占用性能,甚至卡死)
else if($typeid == 999) { } //將{}里的以及上面的else全部刪除 |
⑤ includededemodule.class.php(版本檢測代碼,30分鐘一次,要掃描文件的!為什么管理模塊打不開的原因就在這里,網(wǎng)站配置低的,卡死!)
if(file_exists($cachefile) && (filemtime($cachefile) + 60 * 30) > time()) 修改為 if(file_exists($cachefile) && filesize($cachefile) > 10) |
⑥ includededesql.class.php(下面這段代碼會給網(wǎng)站加友情鏈接及版權(quán)"Power by DedeCms",刪除)
$arrs1 = array(0x63,0x66,0x67,0x5f,0x70,0x6f,0x77,0x65,0x72,0x62,0x79); $arrs2 = array(0x20,0x3c,0x61,0x20,0x68,0x72,0x65,0x66,0x3d,0x68,0x74,0x74,0x70,0x3a,0x2f,0x2f,0x77,0x77,0x77,0x2e,0x64,0x65,0x64,0x65,0x63,0x6d,0x73,0x2e,0x63,0x6f,0x6d,0x20,0x74,0x61,0x72,0x67,0x65,0x74,0x3d,0x27,0x5f,0x62,0x6c,0x61,0x6e,0x6b,0x27,0x3e,0x50,0x6f,0x77,0x65,0x72,0x20,0x62,0x79,0x20,0x44,0x65,0x64,0x65,0x43,0x6d,0x73,0x3c,0x2f,0x61,0x3e); //特殊操作 $arrs1 = array(); $arrs2 = array(); if(isset($GLOBALS['arrs1'])) { $v1 = $v2 = ''; for($i=0;isset($arrs1[$i]);$i++) { $v1 .= chr($arrs1[$i]); } for($i=0;isset($arrs2[$i]);$i++) { $v2 .= chr($arrs2[$i]); } $GLOBALS[$v1] .= $v2; } |
⑦ includecommon.func.php(會給網(wǎng)站加版權(quán)的,刪除)
$arrs1 = array(0x63,0x66,0x67,0x5f,0x70,0x6f,0x77,0x65,0x72,0x62,0x79); $arrs2 = array(0x20,0x3c,0x61,0x20,0x68,0x72,0x65,0x66,0x3d,0x68,0x74,0x74,0x70,0x3a,0x2f,0x2f, 0x77,0x77,0x77,0x2e,0x64,0x65,0x64,0x65,0x63,0x6d,0x73,0x2e,0x63,0x6f,0x6d,0x20,0x74,0x61,0x72, 0x67,0x65,0x74,0x3d,0x27,0x5f,0x62,0x6c,0x61,0x6e,0x6b,0x27,0x3e,0x50,0x6f,0x77,0x65,0x72,0x20, 0x62,0x79,0x20,0x44,0x65,0x64,0x65,0x43,0x6d,0x73,0x3c,0x2f,0x61,0x3e); |