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[R5] Tenable SecurityCenter devform.php message Parameter Reflected XSS

Medium
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Synopsis

SecurityCenter contains a flaw that allows a reflected cross-site scripting (XSS) attack. This flaw exists because the application does not validate the 'message' parameter upon submission to the devform.php script. This may allow an attacker to create a specially crafted request that would execute arbitrary script code in a user's browser within the trust relationship between their browser and the server.

This script was included as part of the development process, but not removed for the final release.

Solution

For existing installations, as an administrative user of the system, remove the 'devform.php' script from the server, or restrict access to the script.

# rm -f /opt/sc4/www/devform.php

Additional References

https://discussions.nessus.org/message/22174#22174
https://support.tenable.com/support-center/advisory.php

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-2013-5911
Tenable Advisory ID: TNS-2013-01
Risk Factor: Medium
Credit:
Jamieson O'Riley (Tenable Network Security)
CVSSv2 Base / Temporal Score
4.3 / 3.6
CVSSv2 Vector:
(AV:N/AC:M/Au:N/C:N/I:P/A:N/E:F/RL:OF/RC:C)

Affected Products

Security Center: 4.6.0, 4.6.0.1, 4.6.2, 4.6.2.1, 4.6.2.2, 4.7

Disclosure Timeline

2013-09-05 - Vendor Informed
2013-09-05 - Vendor Reply
2013-09-23 - Disclosure Date

Advisory Timeline

2014-06-12 - [R1] Initial release
2014-07-08 - [R2] Consolidate and standardize advisory, add advisory ID
2014-07-23 - [R3] Convert to CVSS w/ Temporal
2016-11-17 - [R4] Adjusted CVSSv2 score
2017-03-01 - [R5] Adjust CVSS for worst-case scenario (AV:A -> AV:N)
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