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[R3] Nessus 6.10.4 Fixes One Vulnerability

High
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Synopsis

Nessus was found to be vulnerable to a local privilege escalation issue due to insecure permissions when running in Agent Mode. This may allow an attacker to gain administrative privileges on the system hosting a Nessus agent. This is tracked internally as NES-6023.

Solution

Tenable has released Nessus version 6.10.4 that corresponds to the supported operating systems and architectures. To update your Nessus installation, follow these steps:

Note that only agents are impacted by this vulnerability, not scanners. If Nessus Manager is updated then auto updates will be deployed to the agents as well. If the agent is on Tenable.io then all of the agents will receive the updates.

Additional References

http://static.tenable.com/prod_docs/upgrade_nessus.html#6104
https://aspe1337.blogspot.no/2017/03/upcoming-writeup-of-cve-2017-7199.html
https://aspe1337.blogspot.no/2017/04/writeup-of-cve-2017-7199.html

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

CVE ID: CVE-2017-7199
Tenable Advisory ID: TNS-2017-08
Risk Factor: High
Credit:
Egil Aspevik [<a href="http://www.nttsecurity.com/" target="_blank">NTT Security</a>]
CVSSv2 Base / Temporal Score
7.2 / 6.0
CVSSv2 Vector:
(AV:L/AC:L/Au:N/C:C/I:C/A:C/E:F/RL:OF/RC:C)

Affected Products

Nessus 6.6.2 - 6.10.3

Disclosure Timeline

2017-03-14 - Egil sends details of vuln to Tenable
2017-03-14 - Tenable confirms receipt, validates the issue
2017-03-17 - Tenable plans next release for March 21, informs Egil
2017-03-20 - Tenable requests CVE ID from MITRE per Egil's request (CVE Request 308718)
2017-03-21 - MITRE assigns CVE ID

Advisory Timeline

2017-03-21 - [R1] Initial Release
2017-03-27 - [R2] Add clarity to Agent vs Scanner updates
2017-04-11 - [R3] Added internal tracking ID
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