标题：DataLife Engine 9.7 (preview.php) PHP Code Injection Vulnerability
软件连接：http://dleviet.com/
缺陷概述
位于 /engine/preview.php script:
246. $c_list = implode (',', $_REQUEST['catlist']);
247.
248. if( strpos( $tpl->copy_template, "[catlist=" ) !== false ) {
249. $tpl->copy_template = preg_replace( "#\\[catlist=(.+?)\\](.*?)\\[/catlist\\]#ies", "check_category('\\1', '\\2', '{$c_list}')", $tpl->copy_template );
250. }
251. www.2cto.com
252. if( strpos( $tpl->copy_template, "[not-catlist=" ) !== false ) {
253. $tpl->copy_template = preg_replace( "#\\[not-catlist=(.+?)\\](.*?)\\[/not-catlist\\]#ies", "check_category('\\1', '\\2', '{$c_list}', false)", $tpl->copy_template );
254. }
User supplied input passed through the $_REQUEST['catlist'] parameter is not properly
sanitized before being used in a preg_replace() call with the e modifier at lines 249 and 253.
This can be exploited to inject and execute arbitrary PHP code. Successful exploitation of
this vulnerability requires a template which contains a [catlist] (or a [not-catlist]) tag.
解决方案：
打补丁: http://dleviet.com/dle/bug-fix/3281-security-patches-for-dle-97. html
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