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[R1] Nessus Version 10.5.6 Fixes Multiple Vulnerabilities

Medium
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Synopsis

Nessus leverages third-party software to help provide underlying functionality. One of the third-party components (OpenSSL) was found to contain vulnerabilities, and updated versions have been made available by the provider.

Out of caution and in line with best practice, Tenable has opted to upgrade these components to address the potential impact of the issues. Nessus 10.5.6 updates OpenSSL to version 3.0.12 to address the identified vulnerabilities.

Additionally, one other vulnerability was discovered, reported and fixed:

  • Under certain conditions, a low privileged attacker could load a specially crafted file during installation or upgrade to escalate privileges on Windows and Linux hosts. - CVE-2023-5847

Solution

Tenable has released Nessus 10.5.6 to address these issues. The installation files can only be obtained via the Nessus Feed.

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-2023-36
Risk Factor: Medium
Credit:
Xavier Danest (CVE-2023-5847)
CVSSv3 Base / Temporal Score:
6.7 / 5.8 (CVE-2023-5847)
4.8 / 4.2 (CVE-2023-4807)
CVSSv3 Vector:
AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C (CVE-2023-5847)
AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L/E:U/RL:O/RC:C (CVE-2023-4807)

Affected Products

Nessus 10.5.5 and earlier

Disclosure Timeline

2023-10-06 - Report received by Tenable
2023-10-13 - Report confirmed as valid
2023-10-30 - CVE ID requested / CVSS v3 scoring calculated
2023-10-31 - Nessus 10.5.6 released

Advisory Timeline

2023-10-31 - [R1] Initial Release
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