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Category:   Application (Security)  >   Tenable SecurityCenter Vendors:   Tenable Network Security
Tenable SecurityCenter PHP/JQuery Component Bugs Let Remote Users Determine Valid Usernames and Let Remote Authenticated Users Conduct Cross-Site Scripting Attacks
SecurityTracker Alert ID:  1041431
SecurityTracker URL:  http://securitytracker.com/id/1041431
CVE Reference:   CVE-2018-1154, CVE-2018-1155   (Links to External Site)
Date:  Aug 8 2018
Impact:   Disclosure of authentication information, Disclosure of system information, Disclosure of user information, Execution of arbitrary code via network, Modification of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 5.6.2.1 and prior
Description:   Two vulnerabilities were reported in Tenable SecurityCenter. A remote user can determine valid usernames on the target system. A remote authenticated user can conduct cross-site scripting attacks.

A remote user can send specially crafted requests to determine valid usernames on the target system [CVE-2018-1154].

The Reports feature area does not properly filter HTML code from user-supplied input in an image filename paraeter before displaying the input [CVE-2018-1155]. A remote authenticated user can cause arbitrary scripting code to be executed by the target user's browser. The code will originate from the site running the Tenable SecurityCenter 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.


Markus Weiler, SySS GmbH, and Cosmin Maier each reported one vulnerability.

Impact:   A remote user can determine valid usernames on the target system.

A remote authenticated user can access the target user's cookies (including authentication cookies), if any, associated with the site running the Tenable SecurityCenter 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 (5.7.0).

The vendor advisory is available at:

https://www.tenable.com/security/tns-2018-11

Vendor URL:  www.tenable.com/security/tns-2018-11 (Links to External Site)
Cause:   Access control error, Input validation error
Underlying OS:  Linux (CentOS), Linux (Red Hat Enterprise)

Message History:   None.


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