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             AUSCERT External Security Bulletin Redistribution             
                                                                           
                               ESB-2024.1635                               
   [R1] Tenable Plugin Feed ID #202403142053 Fixes Privilege Escalation    
                               Vulnerability                               
                               18 March 2024                               
                                                                           
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        AusCERT Security Bulletin Summary
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Product:           Nessus                                                  
                   Nessus Agent                                            
Publisher:         Tenable                                                 
Operating System:  UNIX                                                    
                   Windows                                                 
Resolution:        Patch/Upgrade                                           
CVE Names:         CVE-2024-2390                                           

Original Bulletin:
   https://www.tenable.com/security/tns-2024-05

Comment: CVSS (Max):  7.8 CVE-2024-2390 (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/CR:H/IR:H/AR:L)
         CVSS Source: Tenable                                              
         Calculator:  https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/CR:H/IR:H/AR:L


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[R1] Tenable Plugin Feed ID #202403142053 Fixes Privilege Escalation
Vulnerability

High

Synopsis

As a part of Tenable's vulnerability disclosure program, a vulnerability in a
Nessus plugin was identified and reported. This vulnerability could allow a
malicious actor with sufficient permissions on a scan target to place a binary
in a specific filesystem location, and abuse the impacted plugin in order to
escalate privileges.

While the probability of successful exploitation is low, Tenable is committed
to securing our customers' environments and our products. The updates have been
distributed via the Tenable plugin feed.

Solution

Tenable has released updates to plugins to resolve the issue. The updates have
been distributed via the Tenable plugin feed in feed serial numbers equal to or
greater than #202403142053.

Additional References

https://www.tenable.com/plugins/release-notestype=nessus

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  

Risk Information

CVE ID: CVE-2024-2390
Tenable Advisory ID: TNS-2024-05
Risk Factor: High
Credit:
Rich Sprigg (RythmStick)
CVSSv3 Base / Temporal Score:
7.8 / 7.0
CVSSv3 Vector:
AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/CR:H/IR:H/AR:L

Affected Products

Nessus Agent
Nessus

Disclosure Timeline

2024-03-05 - Report received by Tenable
2024-03-11 - Report confirmed as valid
2024-03-11 - CVE ID requested / CVSS v3 scoring calculated
2024-03-14 - Plugin Feed released with fixes in place

Advisory Timeline

2024-03-15 - [R1] Initial Release

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