Oracle Policy Automation: Denial of Service -- Remote/Unauthenticated

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                         AUSCERT Security Bulletin

                               ASB-2017.0119
                Security Advisory: Oracle Policy Automation
                               20 July 2017

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

Product:              Oracle Policy Automation
Operating System:     UNIX variants (UNIX, Linux, OSX)
                      Windows
Impact/Access:        Denial of Service -- Remote/Unauthenticated
Resolution:           Patch/Upgrade
CVE Names:            CVE-2016-3092  
Member content until: Saturday, August 19 2017
Reference:            ASB-2017.0103

OVERVIEW

        Multiple vulnerabilities have been identified in Oracle Policy 
        Automation products:
        
        - Oracle Policy Automation, versions 12.1.0, 12.1.1, 12.2.0, 12.2.1,
          12.2.2, 12.2.3 [1]


IMPACT

        The vendor has provided the following information regarding to the 
        vulnerabilities.
        
        "This Critical Patch Update contains 1 new security fix for Oracle 
        Policy Automation. This vulnerability is remotely exploitable 
        without authentication, i.e., may be exploited over a network 
        without requiring user credentials." [1]
        
        "CVE-2016-3092
        
        7.5
        
        AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
        
        Easily exploitable vulnerability allows unauthenticated attacker 
        with network access via multiple protocols to compromise Oracle REST
        Data Services. Successful attacks of this vulnerability can result 
        in unauthorized ability to cause a hang or frequently repeatable 
        crash (complete DOS) of Oracle REST Data Services." [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 2017
            http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html

        [2] Text Form of Oracle Critical Patch Update - July 2017 Risk Matrices
            http://www.oracle.com/technetwork/security-advisory/cpujul2017verbose-3236625.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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