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                         AUSCERT Security Bulletin

                               ASB-2018.0179
             Security Advisory: Oracle Utilities Applications
                               18 July 2018

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

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

Product:              Oracle Utilities Applications
Operating System:     Windows
                      UNIX variants (UNIX, Linux, OSX)
Impact/Access:        Execute Arbitrary Code/Commands -- Remote/Unauthenticated
                      Denial of Service               -- Remote/Unauthenticated
                      Access Confidential Data        -- Existing Account      
Resolution:           Patch/Upgrade
CVE Names:            CVE-2017-5662 CVE-2017-5645 CVE-2016-5019
Member content until: Friday, August 17 2018
Reference:            ASB-2018.0174
                      ASB-2018.0173
                      ASB-2018.0172
                      ASB-2018.0171

OVERVIEW

        Multiple vulnerabilities have been identified in 
         Oracle Utilities Framework, version  4.3.x
         Oracle Utilities Network Management System, versions
          1.12.x,  2.3.x
         Oracle Utilities Work and Asset Management, version
          1.9.1.2.12
        [1]


IMPACT

        The vendor has provided the following information regarding
        the vulnerabilities:
        
        "This Critical Patch Update contains 4 new security fixes
        for Oracle Utilities Applications.   3 of these
        vulnerabilities may be remotely exploitable without
        authentication,  i.e.,  may be exploited over a network
        without requiring user credentials." [1]
        
        
        
        "CVE-2017-5645
        
        9.8
        
        AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
        
        Supported versions that are affected are 12.1.0.5 and
        13.2.x. Easily exploitable vulnerability allows
        unauthenticated attacker with network access via HTTP to
        compromise Enterprise Manager Base Platform.  Successful
        attacks of this vulnerability can result in takeover of
        Enterprise Manager Base Platform.
        
        CVE-2017-5645
        
        9.8
        
        AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
        
        Supported versions that are affected are 12.1.0.5 and
        13.2.x. Easily exploitable vulnerability allows
        unauthenticated attacker with network access via HTTP to
        compromise Enterprise Manager Base Platform.  Successful
        attacks of this vulnerability can result in takeover of
        Enterprise Manager Base Platform.
        
        CVE-2016-5019
        
        7.5
        
        AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
        
        The supported version that is affected is 4.3.x. Easily
        exploitable vulnerability allows unauthenticated attacker
        with network access via HTTP to compromise Oracle Utilities
        Framework.  Successful attacks of this vulnerability can
        result in unauthorized ability to cause a hang or frequently
        repeatable crash (complete DOS) of Oracle Utilities
        Framework.
        
        CVE-2017-5662
        
        7.3
        
        AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:H
        
        Supported versions that are affected are 7.x and  8.x.
        Easily exploitable vulnerability allows low privileged
        attacker with network access via HTTP to compromise Oracle
        Communications Diameter Signaling Router (DSR).  Successful
        attacks require human interaction from a person other than
        the attacker. Successful attacks of this vulnerability can
        result in  unauthorized access to critical data or complete
        access to all Oracle Communications Diameter Signaling
        Router (DSR) accessible data and unauthorized ability to
        cause a hang or frequently repeatable crash (complete DOS)
        of Oracle Communications Diameter Signaling Router (DSR)."
        [2]


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 2018
            http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html

        [2] Text Form of Oracle Critical Patch Update - July 2018 Risk Matrices
            http://www.oracle.com/technetwork/security-advisory/cpujul2018verbose-4258253.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.

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