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Category:   Application (Generic)  >   Splunk Vendors:   Splunk Inc.
Splunk Multiple Flaws Permit Cross-Site Scripting Attacks and Let Remote Users Obtain Potentially Sensitive Information
SecurityTracker Alert ID:  1032243
SecurityTracker URL:  http://securitytracker.com/id/1032243
CVE Reference:   GENERIC-MAP-NOMATCH   (Links to External Site)
Date:  May 4 2015
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): Enterprise prior to versions 5.0.12, 6.0.9, 6.1.7, 6.2.3; Light prior to 6.2.3
Description:   Several vulnerabilities were reported in Splunk. A remote user can conduct cross-site scripting attacks. A remote user can obtain potentially sensitive information on the target system.

The system does not permit SSLv3 to be disabled for KV Store replication. A remote user that can conduct a man-in-the-middle attack can force a downgrade to SSLv3 between the search head cluster's members. Version 6.2.x is affected.

The vendor has assigned number SPL-96280 to this vulnerability.

When SSL is enabled on Splunk Web, the system does not set the SECURE flag for every URL path. A remote user monitoring HTTP connections may be able to obtain the session cookies. Version 6.2.x is affected.

The vendor has assigned number SPL-95798 to this vulnerability.

The Search feature 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 site running the Splunk 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. Version 6.2.x is affected.

The vendor has assigned number SPL-95798 to this vulnerability.

The Cisco CSIRT team reported this vulnerability.

The management and configuration pages do 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 site running the Splunk 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.

The vendor has assigned number SPL-93516 to this vulnerability.

Impact:   A remote user can access the target user's cookies (including authentication cookies), if any, associated with the site running the Splunk 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 fix (Enterprise 5.0.12, 6.0.9, 6.1.7, 6.2.3; Light 6.2.3).

The vendor's advisory is available at:

http://www.splunk.com/view/SP-CAAANZ7

Vendor URL:  www.splunk.com/view/SP-CAAANZ7 (Links to External Site)
Cause:   Input validation error
Underlying OS:  Linux (Any), UNIX (AIX), UNIX (FreeBSD), UNIX (HP/UX), UNIX (macOS/OS X), UNIX (Solaris - SunOS), Windows (Any)

Message History:   None.


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