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[R2] Nessus 8.5.0 Fixes Multiple Vulnerabilities

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Synopsis

Nessus versions 8.4.0 and earlier were found to contain multiple XSS vulnerabilities due to improper validation of user-supplied input. For CVE-2019-3961, an unauthenticated, remote attacker could exploit this vulnerability via a specially crafted request to execute arbitrary script code in a user's browser session.

For CVE-2019-3962, an authenticated, local attacker could exploit this vulnerability by convincing another targeted Nessus user to view a malicious URL and use Nessus to send fraudulent messages. Successful exploitation could allow the authenticated adversary to inject arbitrary text into the feed status, which will remain saved post session expiration.

Solution

Tenable has released Nessus 8.5.0 to address these issues. The installation files can be obtained from the Tenable Downloads Portal (https://www.tenable.com/downloads/nessus)

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

Tenable Advisory ID: TNS-2019-04
Risk Factor: Low
Credit:
Evan Grant - CVE-2019-3961
Vijay Tikudave - CVE-2019-3962
CVSSv2 Base / Temporal Score
4.3 / 3.4 (CVE-2019-3961)
1.5 / 1.2 (CVE-2019-3962)
CVSSv2 Vector:
(AV:N/AC:M/Au:N/C:N/I:P/A:N/E:POC/RL:OF/RC:C)(CVE-2019-3961)
(AV:L/AC:M/Au:S/C:N/I:P/A:N/E:POC/RL:OF/RC:C)(CVE-2019-3962)

Affected Products

Nessus 8.4.0 and earlier

Advisory Timeline

2019-06-25 - [R1] Initial Release
2019-06-30 - [R2] Update to include CVE-2019-3962
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