Big Data Spatial and Graph: Multiple vulnerabilities

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                         AUSCERT Security Bulletin

                               ASB-2021.0149
             Big Data Spatial and Graph Critical Patch Update
                               21 July 2021

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

Product:          Big Data Spatial
                  Big Data Graph
Operating System: Windows
                  UNIX variants (UNIX, Linux, OSX)
Impact/Access:    Execute Arbitrary Code/Commands -- Remote with User Interaction
                  Access Confidential Data        -- Remote/Unauthenticated      
Resolution:       Patch/Upgrade
CVE Names:        CVE-2020-17527 CVE-2019-5064 
Reference:        ASB-2021.0146
                  ASB-2021.0086
                  ESB-2021.0092

OVERVIEW

        Multiple vulnerabilities have been identified in :
         o Big Data Spatial and Graph, versions prior to 2.0, prior to
           23.1
        [1]


IMPACT

        The vendor has provided the following information regarding the
        vulnerabilities:
        
        "This Critical Patch Update contains 2 new security patches plus
        additional third party patches noted below for Oracle Big Data Graph.
        Both of these vulnerabilities may be remotely exploitable without
        authentication, i.e., may be exploited over a network without
        requiring user credentials." [1]
        
        CVE-2019-5064
          8.8 AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
        The supported version that is affected is Prior to 2.0. Easily
        exploitable vulnerability allows unauthenticated attacker with
        network access via HTTP to compromise Big Data Spatial and Graph.
        Successful attacks require human interaction from a person other than
        the attacker. Successful attacks of this vulnerability can result in
        takeover of Big Data Spatial and Graph.
         Affects:
         o Big Data Spatial and Graph Prior to 2.0
        
        CVE-2020-17527
          7.5 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
        The supported version that is affected is Prior to 23.1. Easily
        exploitable vulnerability allows unauthenticated attacker with
        network access via HTTP to compromise Big Data Spatial and Graph.
        Successful attacks of this vulnerability can result in unauthorized
        access to critical data or complete access to all Big Data Spatial
        and Graph accessible data.
         Affects:
         o Big Data Spatial and Graph Prior to 23.1


MITIGATION

        Oracle states:
        
        "Due to the threat posed by a successful attack, Oracle strongly
        recommends that customers apply CPU fixes as soon as possible. Until
        you apply the CPU fixes, it may be possible to reduce the risk of
        successful attack by blocking network protocols required by an
        attack. For attacks that require certain privileges or access to
        certain packages, removing the privileges or the ability to access
        the packages from users that do not need the privileges may help
        reduce the risk of successful attack. Both approaches may break
        application functionality, so Oracle strongly recommends that
        customers test changes on non-production systems. Neither approach
        should be considered a long-term solution as neither corrects the
        underlying problem." [1]


REFERENCES

        [1] Oracle Critical Patch Update Advisory - July 2021
            https://www.oracle.com/security-alerts/cpujul2021.html

        [2] Text Form of Oracle Critical Patch Update - July 2021 Risk Matrices
            https://www.oracle.com/security-alerts/cpujul2021verbose.html

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.

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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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