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Category:   Device (Router/Bridge/Hub)  >   F5 BIG-IP Vendors:   F5 Networks
BIG-IP Input Validation Hole in SearchString Parameter Permits Cross-Site Scripting Attacks
SecurityTracker Alert ID:  1019190
SecurityTracker URL:  http://securitytracker.com/id/1019190
CVE Reference:   CVE-2008-0265   (Links to External Site)
Updated:  Jan 23 2008
Original Entry Date:  Jan 15 2008
Impact:   Disclosure of authentication information, Disclosure of user information, Execution of arbitrary code via network, Modification of user information
Exploit Included:  Yes  
Version(s): 9.4.3; possibly other versions
Description:   A vulnerability was reported in BIG-IP. A remote user can conduct cross-site scripting attacks.

The search function on several script pages does not properly filter HTML code from user-supplied input before displaying the input. A remote user can create a specially crafted URL 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 BIG-IP device 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.

The SearchString parameter in the following scripts is affected:

/tmui/Control/jspmap/tmui/locallb/virtual_server/list.jsp
/tmui/Control/jspmap/tmui/locallb/profile/http/list.jsp
/tmui/Control/jspmap/tmui/locallb/profile/ftp/list.jsp
/tmui/Control/jspmap/tmui/locallb/profile/rtsp/list.jsp
/tmui/Control/jspmap/tmui/locallb/profile/sip/list.jsp
/tmui/Control/jspmap/tmui/locallb/profile/persistence/list.jsp
/tmui/Control/jspmap/tmui/locallb/profile/fastl4/list.jsp
/tmui/Control/jspmap/tmui/locallb/profile/fasthttp/list.jsp
/tmui/Control/jspmap/tmui/locallb/profile/httpclass/list.jsp
/tmui/Control/jspmap/tmui/locallb/profile/tcp/list.jsp
/tmui/Control/jspmap/tmui/locallb/profile/udp/list.jsp
/tmui/Control/jspmap/tmui/locallb/profile/sctp/list.jsp
/tmui/Control/jspmap/tmui/locallb/profile/clientssl/list.jsp
/tmui/Control/jspmap/tmui/locallb/profile/serverssl/list.jsp
/tmui/Control/jspmap/tmui/locallb/profile/authn/list.jsp
/tmui/Control/jspmap/tmui/locallb/profile/connpool/list.jsp
/tmui/Control/jspmap/tmui/locallb/profile/statistics/list.jsp
/tmui/Control/jspmap/tmui/locallb/profile/stream/list.jsp
/tmui/Control/jspmap/tmui/locallb/pool/list.jsp
/tmui/Control/jspmap/tmui/locallb/node/list.jsp
/tmui/Control/jspmap/tmui/locallb/monitor/list.jsp
/tmui/Control/jspmap/tmui/locallb/ssl_certificate/list.jsp
/tmui/Control/jspmap/tmui/system/user/list.jsp
/tmui/Control/jspmap/tmui/system/log/list_system.jsp
/tmui/Control/jspmap/tmui/system/log/list_pktfilter.jsp
/tmui/Control/jspmap/tmui/system/log/list_ltm.jsp
/tmui/Control/jspmap/tmui/system/log/resources_audit.jsp
/tmui/Control/jspmap/tmui/system/log/list_asm.jsp

A demonstration exploit URL is provided:

https://[target]/[page]?SearchString=%22%20type=%22hidden%22%3E%3Cscript%3Ealert(%22list-xss%22)%3C/script%3E%3Cinput%20type=%22hidden%22%20value=%22

The vendor was notified on January 3, 2008.

nnposter reported this vulnerability.

Impact:   A remote user can access the target user's cookies (including authentication cookies), if any, associated with the BIG-IP device, 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:   No solution was available at the time of this entry.
Vendor URL:  www.f5.com/ (Links to External Site)
Cause:   Input validation error
Underlying OS:  

Message History:   None.


 Source Message Contents

Date:  14 Jan 2008 14:36:46 -0000
Subject:  F5 BIG-IP Web Management List Search XSS

F5 BIG-IP Web Management List Search XSS


Product: F5 BIG-IP
http://www.f5.com/products/big-ip/


The F5 BIG-IP web management interface contains a cross-site scripting vulnerability in the Search function present on several list-like
 pages. Parameter SearchString is not sanitized before it gets embedded in the HTML output. The following pages have been found vulnerable:

/tmui/Control/jspmap/tmui/locallb/virtual_server/list.jsp
/tmui/Control/jspmap/tmui/locallb/profile/http/list.jsp
/tmui/Control/jspmap/tmui/locallb/profile/ftp/list.jsp
/tmui/Control/jspmap/tmui/locallb/profile/rtsp/list.jsp
/tmui/Control/jspmap/tmui/locallb/profile/sip/list.jsp
/tmui/Control/jspmap/tmui/locallb/profile/persistence/list.jsp
/tmui/Control/jspmap/tmui/locallb/profile/fastl4/list.jsp
/tmui/Control/jspmap/tmui/locallb/profile/fasthttp/list.jsp
/tmui/Control/jspmap/tmui/locallb/profile/httpclass/list.jsp
/tmui/Control/jspmap/tmui/locallb/profile/tcp/list.jsp
/tmui/Control/jspmap/tmui/locallb/profile/udp/list.jsp
/tmui/Control/jspmap/tmui/locallb/profile/sctp/list.jsp
/tmui/Control/jspmap/tmui/locallb/profile/clientssl/list.jsp
/tmui/Control/jspmap/tmui/locallb/profile/serverssl/list.jsp
/tmui/Control/jspmap/tmui/locallb/profile/authn/list.jsp
/tmui/Control/jspmap/tmui/locallb/profile/connpool/list.jsp
/tmui/Control/jspmap/tmui/locallb/profile/statistics/list.jsp
/tmui/Control/jspmap/tmui/locallb/profile/stream/list.jsp
/tmui/Control/jspmap/tmui/locallb/pool/list.jsp
/tmui/Control/jspmap/tmui/locallb/node/list.jsp
/tmui/Control/jspmap/tmui/locallb/monitor/list.jsp
/tmui/Control/jspmap/tmui/locallb/ssl_certificate/list.jsp
/tmui/Control/jspmap/tmui/system/user/list.jsp
/tmui/Control/jspmap/tmui/system/log/list_system.jsp
/tmui/Control/jspmap/tmui/system/log/list_pktfilter.jsp
/tmui/Control/jspmap/tmui/system/log/list_ltm.jsp
/tmui/Control/jspmap/tmui/system/log/resources_audit.jsp
/tmui/Control/jspmap/tmui/system/log/list_asm.jsp


Example:

https://(target_page)?SearchString=%22%20type=%22hidden%22%3E%3Cscript%3Ealert(%22list-xss%22)%3C/script%3E%3Cinput%20type=%22hidden%22%20value=%22


The vulnerability has been identified in version 9.4.3. However, other versions may be also affected.


Solution:
Administrators should not browse untrusted sites while logged into the BIG-IP web management interface. It is not possible to log
 out of the interface so it is important to shut down the browser after the interface is no longer needed. Closing the interface browser
 window or removing the BIG-IP cookie is not sufficient.


History:
1/3/08  - F5 notified via e-mail
1/3/08  - Automated receipt from F5
1/14/08 - Public disclosure


Found by:
nnposter

 
 


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