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.

According to its self-reported version, the Tenable Nessus application running on the remote host is prior to 10.6.2. It is, therefore, affected by multiple vulnerabilities as referenced in the TNS-2023-37 advisory.

  - Nessus leverages third-party software to help provide underlying functionality. Several of the third-party     components (OpenSSL, zlib) were found to contain vulnerabilities, and updated versions have been made     available by the providers.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 10.6.2 updates OpenSSL to version     3.0.12, and zlib fixes have been applied 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 Tenable has released Nessus 10.6.2 to address these issues. The installation files     can be obtained from the Tenable Downloads Portal (https://www.tenable.com/downloads/nessus).
    (CVE-2023-45853, CVE-2023-4807, CVE-2023-5847)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

According to its self-reported version, the Tenable Nessus Agent running on the remote host is 10.4.2. It is, therefore, affected by multiple vulnerabilities as referenced in the TNS-2023-38 advisory.

  - Nessus Agent leverages third-party software to help provide underlying functionality. Several of the     third-party components (OpenSSL, zlib) were found to contain vulnerabilities, and updated versions have     been made available by the providers.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 Agent 10.4.3 updates     OpenSSL to version 3.0.12 and zlib fixes have been applied 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 Tenable has released Nessus Agent     10.4.3 to address these issues. The installation files can be obtained from the Tenable Downloads Portal     (https://www.tenable.com/downloads/nessus-agents). (CVE-2023-3446, CVE-2023-3817, CVE-2023-45853,     CVE-2023-4807, CVE-2023-5847)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

According to its self-reported version, the Tenable Nessus application running on the remote host is prior to 10.5.6. It is, therefore, affected by multiple vulnerabilities as referenced in the TNS-2023-36 advisory.

  - 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 Tenable has     released Nessus 10.5.6 to address these issues. The installation files can only be obtained via the Nessus     Feed. (CVE-2023-4807, CVE-2023-5847)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Severity
184164	Tenable Nessus < 10.6.2 Multiple Vulnerabilities (TNS-2023-37)	Nessus	Misc.	high
184128	Tenable Nessus Agent 10.4.2 Multiple Vulnerabilities (TNS-2023-38)	Nessus	Misc.	high
184127	Tenable Nessus < 10.5.6 Multiple Vulnerabilities (TNS-2023-36)	Nessus	Misc.	high

Detections

Analytics

CVE-2023-5847

high

Tenable Plugins

high

high

high