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SANS @Risk Web Vulnerabilities List & Mitigation Steps

This is a listing of Web Application Vulnerabilities that were released by SANS in their @RISK newsletter yesterday -

Summary of the vulnerabilities reported this week:
-- Web Application - Cross Site Scripting (8)
07.5.44 - ezDatabase Login.PHP Cross-Site Scripting
07.5.45 - Openads phpAdsNew Admin-Search.PHP Cross-Site Scripting
07.5.46 - 212cafeBoard Multiple Cross-Site Scripting Vulnerabilities
07.5.47 - Bitweaver Articles and Blogs Multiple Cross-Site Scripting Vulnerabilities
07.5.48 - 212Cafe Guestbook Show.PHP Cross-Site Scripting
07.5.49 - Openads for PostgreSQL Unspecified Cross-Site Scripting
07.5.50 - PostNuke Reviews Index.PHP Cross-Site Scripting
07.5.51 - Sabros.US Index.PHP Cross-Site Scripting

-- Web Application - SQL Injection (10)
07.5.52 - Makit Newsposter Script News_Page.ASP SQL Injection
07.5.53 - GPS CMS Print.ASP SQL Injection
07.5.54 - ASP News News_Detail.ASP SQL Injection
07.5.55 - ASP Edge User.ASP SQL Injection
07.5.56 - Drupal Acidfree Module Node Title SQL Injection
07.5.57 - Website Baker Login.PHP SQL Injection
07.5.58 - FishCart Olst Parameter SQL Injection
07.5.59 - Unique Ads Banner.PHP SQL Injection
07.5.60 - PHP-Nuke Multiple SQL Injection Vulnerabilities
07.5.61 - Joomla CMS Multiple SQL Injection Vulnerabilities

-- Web Application (34)
07.5.62 - CGI Rescue WebForm Multiple Input Validation Vulnerabilities
07.5.63 - High5 Review Script Search Field HTML Injection
07.5.64 - Virtual Path PHPBB Module Configure.PHP Remote File Include
07.5.65 - Digitalxero Xero Portal PHPBB_Root_Path Multiple Remote File Include Vulnerabilities
07.5.66 - Drupal Project and Project Issues Tracking Modules Multiple Vulnerabilities
07.5.67 - Community Server Pingback SourceURI Denial of Service and Information Disclosure
07.5.68 - AWFFull Unspecified Multiple Buffer Overflow Vulnerabilities
07.5.69 - Virtual Host Administrator Modules_Dir Remote File Include
07.5.70 - Wordpress Pingback SourceURI Denial of Service and Information Disclosure
07.5.71 - RPW Config.PHP Remote File Include
07.5.72 - phpXD Path Remote File Include
07.5.73 - MyBB Private.PHP HTML Injection
07.5.74 - MaklerPlus Multiple Unspecified Vulnerabilities
07.5.75 - Mini Web Server Unspecified Multiple Buffer Overflow Vulnerabilities
07.5.76 - BBClone Selectlang.PHP Remote File Include
07.5.77 - Yana Framework Guestbook Unspecified Security Bypass
07.5.78 - Vote! Pro Multiple PHP Code Execution Vulnerabilities
07.5.79 - PHP Link Directory Link Submission HTML Injection
07.5.80 - Zomp Index.PHP Local File Include
07.5.81 - PHPIndexPage Config.PHP Remote File Include
07.5.82 - Neon Labs Website NL.PHP Remote File Include
07.5.83 - XMB MemCP.PHP HTML Injection
07.5.84 - PHPSherpa Racine Parameter Remote File Include
07.5.85 - Upload Service Remote File Include
07.5.86 - Mafia Scum Tools Index.PHP Remote File Include
07.5.87 - WebChat Remote File Include
07.5.88 - Bradabra Includes.PHP Remote File Include
07.5.89 - Easebay Resources Paypal Subscription Manager Multiple Input Validation Vulnerabilities
07.5.90 - Easebay Resources Login Manager Multiple Input Validation Vulnerabilities
07.5.91 - SMF Index.PHP HTML Injection
07.5.92 - DocMan Multiple Input Validation Vulnerabilities
07.5.93 - ArsDigita Community System Directory Traversal
07.5.94 - VirtueMart Joomla ECommerce Edition Multiple Unspecified Input Validation Vulnerabilities
07.5.95 - WebGUI Registration Username HTML Injection

Mitigation Steps:
It is important to note that if you are running any of these web applications, you should do the following:

1) Check on the reference links for each vulnerability (SecurityFocus site, etc...) and verify if a patch is available. If one is, then proceed with implementing the patch ASAP.

2) Run a few tests to see if the example expoit code might be already captured by the current ModSecurity Core Rules files. There are already many different XSS/SQL Injection rules that probably would block the vast majority of these 2 categories of issues. If the Core Rules do not block these issues, then proceed to #3 (Virtual Patching).

3) Whether a patch is available or not, you should attempt to implement a ModSecurity "Virtual Patch" for the vulnerability. You can go about this in one of two ways -

First, the vulnerability information on SecurityFocus usually include an "exploit" tab for each vulnerability where exploit details/proof of concept code is often provided. You can take the example exploit code and then create a corresponding patch. The patch can either be a negative filter that blocks the underlying vulnerability vector. You can also, optionally, create a positive filter that will only allow acceptable character sets/lengths, etc...

Second, you can optionally head on over to the site to see if they have released an IDS signatures for these vulnerabilities. If they have, you can then take the content/uricontent/pcre portions of the sigs and translate them into analagous ModSecurity rules.


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