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AUSCERT External Security Bulletin Redistribution
ESB-2021.1191
Nessus Agent 8.2.4 Fixes Multiple Vulnerabilities
9 April 2021
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AusCERT Security Bulletin Summary
---------------------------------
Product: Nessus Agent
Publisher: Tenable
Operating System: Windows
UNIX variants (UNIX, Linux, OSX)
Impact/Access: Denial of Service -- Remote with User Interaction
Provide Misleading Information -- Remote/Unauthenticated
Access Confidential Data -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2021-3450 CVE-2019-16168
Reference: ESB-2021.1127
ESB-2021.1075
Original Bulletin:
https://www.tenable.com/security/tns-2021-08
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Nessus Agent 8.2.4 Fixes Multiple Vulnerabilities
Medium
Synopsis
Nessus Agent leverages third-party software to help provide underlying
functionality. Two separate third-party components (OpenSSL and sqlite) were
found to contain vulnerabilities, and updated versions have been made available
by the providers.
Out of caution and in line with good practice, Tenable opted to upgrade the
bundled libraries to address the potential impact of these issues. Nessus Agent
8.2.4 will update OpenSSL to version 1.1.1k and sqlite to version 3.34.1 to
address the identified vulnerabilities.
Solution
Tenable has released Nessus Agent 8.2.4 to address these issues. The
installation files can be obtained from the Tenable Downloads Portal
( https://www.tenable.com/downloads/nessus-agents ).
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
Risk Information
CVE ID: CVE-2019-16168
CVE-2021-3450
Tenable Advisory ID:
TNS-2021-08
Risk Factor:
Medium
CVSSv2 Base / Temporal Score:
4.3 / 3.6 (CVE-2019-16168)
5.8 / 4.8 (CVE-2021-3450)
CVSSv2 Vector:
(AV:N/AC:M/Au:N/C:N/I:N/A:P/E:F/RL:OF/RC:C)(CVE-2019-16168)
(AV:N/AC:M/Au:N/C:P/I:P/A:N/E:F/RL:OF/RC:C)(CVE-2021-3450)
Affected Products
Nessus Agent 8.2.1 through 8.2.3 (OpenSSL)
Nessus Agent 8.2.3 and earlier (sqlite)
Advisory Timeline
2021-04-8 - [R1] Initial Release
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