Nessus: Multiple vulnerabilities

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                         AUSCERT Security Bulletin

                               ASB-2019.0088
          Nessus 8.3.0 Fixes Multiple Third-party Vulnerabilities
                               27 March 2019

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:              Nessus
Operating System:     UNIX variants (UNIX, Linux, OSX)
                      Windows
Impact/Access:        Access Privileged Data -- Remote/Unauthenticated
                      Denial of Service      -- Existing Account      
Resolution:           Patch/Upgrade
CVE Names:            CVE-2019-1559 CVE-2017-18214 CVE-2016-4055
Member content until: Friday, April 26 2019
Reference:            ESB-2019.0913
                      ESB-2019.0895
                      ESB-2019.0799
                      ASB-2018.0160

OVERVIEW

        Tenable has identified a number of vulnerabilities in Tenable Nessus 
        prior to version 8.2.3. [1]


IMPACT

        The vendor has provided the following details regarding the 
        vulnerabilities:
        
        "[R1] Nessus 8.3.0 Fixes Multiple Third-party Vulnerabilities
        
        Medium
        
        Synopsis
        
        Nessus leverages third-party software to help provide underlying functionality.
        Two separate third-party components (OpenSSL and Moment.js) were found to
        contain vulnerabilities, and updated versions have been made available by the
        providers.
        
        Out of caution and in line with good practice, Tenable opted to upgrade the
        bundled libraries to address the potential impact of these issues in Nessus.
        Nessus 8.3.0 updates OpenSSL to version 1.0.2r and Moment.js to 2.19.3 to
        address the identified vulnerabilities.
        
        Note: The CVSSv2 score used in this advisory reflects CVE-2016-4055, as it is
        considered the highest risk.
        
        Risk Information
        
        CVE ID: 
        CVE-2019-1559
        CVE-2017-18214
        CVE-2016-4055
        
        Tenable Advisory ID:
        TNS-2019-02
        
        Risk Factor:
        Medium
        
        CVSSv2 Base / Temporal Score:
        7.8 / 6.1 (CVE-2016-4055)
        5.0 / 3.9 (CVE-2017-18214)
        4.3 / 3.4 (CVE-2019-1559)
        
        CVSSv2 Vector:
        AV:N/AC:L/Au:N/C:N/I:N/A:C - CVE-2016-4055
        AV:N/AC:L/Au:N/C:N/I:N/A:P - CVE-2017-18214
        AV:N/AC:M/Au:N/C:P/I:N/A:N - CVE-2019-1559
        
        Affected Products
        Nessus 8.2.3 and earlier" [1]


MITIGATION

        The vendor advises users to upgrade to Nessus version 8.3.0 
        to address these issues. [1]


REFERENCES

        [1] [R1] Nessus 8.3.0 Fixes Multiple Third-party Vulnerabilities
            https://www.tenable.com/security/tns-2019-02

AusCERT has made every effort to ensure that the information contained
in this document is accurate.  However, the decision to use the information
described is the responsibility of each user or organisation. The decision to
follow or act on information or advice contained in this security bulletin is
the responsibility of each user or organisation, and should be considered in
accordance with your organisation's site policies and procedures. AusCERT
takes no responsibility for consequences which may arise from following or
acting on information or advice contained in this security bulletin.

===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
Facsimile:      (07) 3365 7031
Telephone:      (07) 3365 4417 (International: +61 7 3365 4417)
                AusCERT personnel answer during Queensland business hours 
                which are GMT+10:00 (AEST).
                On call after hours for member emergencies only.
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