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[R3] SecurityCenter .audit File Upload Stored XSS

Medium
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Synopsis

SecurityCenter contains a flaw that allows a stored cross-site scripting (XSS) attack. This flaw exists because the application does not ensure that uploaded .audit files are validated before being rendered on the scan results page. This may allow a remote authenticated attacker to create and upload an .audit file, that may be viewed by an administrator allowing for the execution of arbitrary script code in a user's browser session within the trust relationship between their browser and the server.

Please note that Tenable strongly recommends that SecurityCenter be installed on a subnet that is not Internet addressable.

Solution

Upgrade to SecurityCenter 5.2.0 (Server Build ID: 201512112196 or later). Upgrade information can be obtained from http://static.tenable.com/prod_docs/upgrade_security_center.html.

This page contains information regarding security vulnerabilities that may impact Tenable's products. This may include issues specific to our software, or due to the use of third-party libraries within our software. Tenable strongly encourages users to ensure that they upgrade or apply relevant patches in a timely manner.

Tenable takes product security very seriously. If you believe you have found a vulnerability in one of our products, we ask that you please work with us to quickly resolve it in order to protect customers. Tenable believes in responding quickly to such reports, maintaining communication with researchers, and providing a solution in short order.

For more details on submitting vulnerability information, please see our Vulnerability Reporting Guidelines page.

If you have questions or corrections about this advisory, please email [email protected]

Risk Information

CVE ID: CVE-2015-8503
Tenable Advisory ID: TNS-2015-12
Risk Factor: Medium
Credit:
Rodney D Beede, Seagate
CVSSv2 Base / Temporal Score
4.0 / 3.3
CVSSv2 Vector:
(AV:N/AC:L/Au:S/C:N/I:P/A:N/E:F/RL:OF/RC:C)

Affected Products

SecurityCenter 5.0.2

Disclosure Timeline

2015-12-07 - Issue reported to Tenable
2015-12-07 - Tenable confirms receipt of report
2015-12-07 - Tenable requests CVE ID via [email protected]
2015-12-07 - MITRE assigns CVE
2015-12-16 - Tenable releases version 5.2.0

Advisory Timeline

2015-12-21 - [R1] Initial release
2016-11-15 - [R2] Adjust CVSSv2 score
2017-02-28 - [R3] Adjust CVSS for worst-case scenario (AV:A -> AV:N)
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