dedecms v5.1 WriteBookText() code injection vul 's

来源：Ph4nt0m Google Group
by [email protected]
QQ:378367942

/include/inc_bookfunctions.php
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……
function WriteBookText($cid,$body)
{
global $cfg_cmspath,$cfg_basedir;
$ipath = $cfg_cmspath.”/data/textdata”;
$tpath = ceil($cid/5000);
if(!is_dir($cfg_basedir.$ipath)) MkdirAll($cfg_basedir.$ipath,$GLOBALS[‘cfg_dir_purview’]);
if(!is_dir($cfg_basedir.$ipath.’/’.$tpath)) MkdirAll($cfg_basedir.$ipath.’/’.$tpath,$GLOBALS[‘cfg_dir_purview’]);
$bookfile = $cfg_basedir.$ipath.”/{$tpath}/bk{$cid}.php”;
$body = “<“.”?php/r/n”.$body.”/r/n?”.”>”;
@$fp = fopen($bookfile,’w’);
@flock($fp);
@fwrite($fp,$body);
@fclose($fp);

……

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/member/story_add_content_action.php
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……
WriteBookText($arcID,addslashes($body));
……

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找了个好看的站测试了一下
http://www.admin5.com/data/textdata/1/bk1.php

文件是写上去了，可惜这个目录不支持php,fuck