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[R1] Nessus Agent 8.2.3 Fixes Multiple Vulnerabilities

Related Vulnerabilities: CVE-2021-23840   CVE-2021-23841   CVE-2021-20077  

Nessus Agent versions 7.2.0 through 8.2.2 were found to inadvertently capture the IAM role security token on the local host during initial linking of the Nessus Agent when installed on an Amazon EC2 instance. This could allow a privileged attacker to obtain the token. Additionally, one third-party component (OpenSSL) was found to contain vulnerabilities, and updated versions have been made available by the provider. Nessus Agent version 8.2.3 will update OpenSSL to 1.1.1j.

Source

Synopsis

Nessus Agent versions 7.2.0 through 8.2.2 were found to inadvertently capture the IAM role security token on the local host during initial linking of the Nessus Agent when installed on an Amazon EC2 instance. This could allow a privileged attacker to obtain the token.

Additionally, one third-party component (OpenSSL) was found to contain vulnerabilities, and updated versions have been made available by the provider. Nessus Agent version 8.2.3 will update OpenSSL to 1.1.1j.

Solution

Tenable has released Nessus Agent 8.2.3 to address these issues. The installation files can be obtained from the Tenable Downloads Portal (https://www.tenable.com/downloads/nessus-agents).

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