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Category:   Application (Web Server/CGI)  >   Apache HTTPD Vendors:   Apache Software Foundation
Apache Input Validation Hole in mod_proxy_ftp Permits Cross-Site Scripting Attacks
SecurityTracker Alert ID:  1020635
SecurityTracker URL:  http://securitytracker.com/id/1020635
CVE Reference:   CVE-2008-2939   (Links to External Site)
Updated:  Oct 17 2008
Original Entry Date:  Aug 6 2008
Impact:   Disclosure of authentication information, Disclosure of user information, Execution of arbitrary code via network, Modification of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 2.2 prior to 2.2.10
Description:   A vulnerability was reported in Apache mod_proxy_ftp. A remote user can conduct cross-site scripting attacks.

The software does not properly filter HTML code from user-supplied input in FTP URLs before displaying the input. A remote user can create a specially crafted FTP URL containing wildcards that, when loaded by a target user, will cause arbitrary scripting code to be executed by the target user's browser. The code will originate from the site running the Apache software and will run in the security context of that site. As a result, the code will be able to access the target user's cookies (including authentication cookies), if any, associated with the site, access data recently submitted by the target user via web form to the site, or take actions on the site acting as the target user.

Marc Bevand of Rapid7 reported this vulnerability.

Impact:   A remote user can access the target user's cookies (including authentication cookies), if any, associated with the site running the Apache software, access data recently submitted by the target user via web form to the site, or take actions on the site acting as the target user.
Solution:   The vendor has issued a fixed version (2.2.10).

The vendor's advisory is available at:

http://www.apache.org/dist/httpd/Announcement2.2.html

Vendor URL:  httpd.apache.org/ (Links to External Site)
Cause:   Input validation error
Underlying OS:  Linux (Any), UNIX (Any), Windows (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Nov 11 2008 (Red Hat Issues Fix) Apache Input Validation Hole in mod_proxy_ftp Permits Cross-Site Scripting Attacks
Red Hat has released a fix for Red Hat Enterprise Linux 3, 4, and 5.
Dec 5 2008 (Red Hat Issues Fix) Apache Input Validation Hole in mod_proxy_ftp Permits Cross-Site Scripting Attacks
Red Hat has released a fix for Red Hat Application Stack.
Dec 16 2008 (Sun Issues Advisory) Apache Input Validation Hole in mod_proxy_ftp Permits Cross-Site Scripting Attacks
Sun has issued an advisory for Solaris 10.



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