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V-124: Splunk Web Input Validation Flaw Permits Cross-Site Scripting Attacks

April 2, 2013 - 1:13am

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PROBLEM:

Splunk Web Input Validation Flaw Permits Cross-Site Scripting Attacks

PLATFORM:

Version(s): 4.3.0 through 4.3.5

ABSTRACT:

A vulnerability was reported in Splunk Web.

REFERENCE LINKS:

SecurityTracker Alert ID:  1028371
Splunk
 

IMPACT ASSESSMENT:

High

DISCUSSION:

Splunk Web does not properly filter HTML code from user-supplied input before displaying the input. A remote user can cause arbitrary scripting code to be executed by the target user's browser. The code will originate from the site running the Splunk Web 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.

IMPACT:

A remote user can access the target user's cookies (including authentication cookies), if any, associated with the site running the Splunk Web 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:

Splunk recommends upgrading to the latest release.

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