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Category:   Device (Router/Bridge/Hub)  >   Cisco IOS Vendors:   Cisco
Cisco IOS/IOS XE Input Validation Flaw in IOSd Lets Remote Users Conduct Cross-Site Scripting Attacks
SecurityTracker Alert ID:  1039825
SecurityTracker URL:  http://securitytracker.com/id/1039825
CVE Reference:   CVE-2017-12304   (Links to External Site)
Date:  Nov 16 2017
Impact:   Disclosure of authentication information, Disclosure of user information, Execution of arbitrary code via network, Modification of user information
Vendor Confirmed:  Yes  
Version(s): 15.7(2.0z)M
Description:   A vulnerability was reported in Cisco IOS/IOS XE. A remote user can conduct cross-site scripting attacks.

The the IOS daemon (IOSd) web-based management interface 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 Cisco IOSd interface 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 vendor has assigned bug ID CSCvf60862 to this vulnerability.

Impact:   A remote user can access the target user's cookies (including authentication cookies), if any, associated with the Cisco IOSd interface, access data recently submitted by the target user via web form to the interface, or take actions on the interface acting as the target user.
Solution:   No solution was available at the time of this entry.

The vendor advisory is available at:

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171115-ios

Vendor URL:  tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171115-ios (Links to External Site)
Cause:   Input validation error

Message History:   None.


 Source Message Contents

Subject:  https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171115-ios

 
 


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