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[R2] Nessus 7.0.3 Fixes One Vulnerability

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Synopsis

When installing Nessus to a directory outside of the default location, Nessus did not enforce secure permissions for sub-directories on Windows operating systems. This could allow for local privilege escalation if users had not secured the directories in the installation location.

Solution

Tenable has released Nessus version 7.0.3 address this issue. To update your Nessus installation, follow these steps:
• Download the appropriate installation file to the system hosting Nessus Professional or Nessus Manager, available at the Tenable Support Portal (https://support.tenable.com/support-center/index.php?x=&mod_id=200)
• Stop the Nessus service.
• Install according to your operating system procedures.
• Restart the Nessus service.

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-2018-1141
Tenable Advisory ID: TNS-2018-01
Risk Factor: Low
Credit:
@n0x00
CVSSv2 Base / Temporal Score
3.0 / 2.3
CVSSv2 Vector:
AV:L/AC:M/Au:S/C:N/I:P/A:P/E:POC/RL:OF/RC:C/CDP:L/TD:L/CR:ND/IR:ND/AR:ND

Affected Products

Nessus 7.0.2 and earlier (Windows Only)

Disclosure Timeline

2017-12-03 - Issue reported to Tenable by @n0x00
2017-12-04 - Tenable confirms receipt and verifies issues
2018-03-14 - Nessus 7.0.3 released
2018-03-19 - CVE ID assigned and advisory published

Advisory Timeline

2018-03-19 - [R1] Initial Release
2018-05-21 - [R2] Updated to specify impacted Operating Systems
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