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                         AUSCERT Security Bulletin

                               ASB-2018.0180
                 Security Advisory: Oracle Virtualization
                               18 July 2018

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

Product:              Oracle Virtualization
Operating System:     Windows
                      UNIX variants (UNIX, Linux, OSX)
Impact/Access:        Execute Arbitrary Code/Commands -- Existing Account            
                      Denial of Service               -- Remote with User Interaction
                      Access Confidential Data        -- Existing Account            
Resolution:           Patch/Upgrade
CVE Names:            CVE-2018-1000300 CVE-2018-3091 CVE-2018-3090
                      CVE-2018-3089 CVE-2018-3088 CVE-2018-3087
                      CVE-2018-3086 CVE-2018-3085 CVE-2018-3055
                      CVE-2018-3005 CVE-2018-1305 CVE-2018-0739
Member content until: Friday, August 17 2018
Reference:            ASB-2018.0172
                      ASB-2018.0171
                      ASB-2018.0164
                      ASB-2018.0162

OVERVIEW

        Multiple vulnerabilities have been identified in 
         Oracle Secure Global Desktop, versions  5.3,  5.4
         Oracle VM VirtualBox, versions prior to  5.2.16
        [1]


IMPACT

        The vendor has provided the following information regarding
        the vulnerabilities:
        
        "This Critical Patch Update contains 12 new security fixes
        for Oracle Virtualization.   2 of these vulnerabilities may
        be remotely exploitable without authentication,  i.e.,  may
        be exploited over a network without requiring user
        credentials." [1]
        
        
        
        "CVE-2018-3086
        
        8.6
        
        AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
        
        The supported version that is affected is Prior to 5.2.16.
        Easily exploitable vulnerability allows unauthenticated
        attacker with logon to the infrastructure where Oracle VM
        VirtualBox executes to compromise Oracle VM VirtualBox.
        Successful attacks require human interaction from a person
        other than the attacker and while the vulnerability is in
        Oracle VM VirtualBox, attacks may significantly impact
        additional products. Successful attacks of this
        vulnerability can result in takeover of Oracle VM
        VirtualBox.
        
        CVE-2018-3087
        
        8.6
        
        AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
        
        The supported version that is affected is Prior to 5.2.16.
        Easily exploitable vulnerability allows unauthenticated
        attacker with logon to the infrastructure where Oracle VM
        VirtualBox executes to compromise Oracle VM VirtualBox.
        Successful attacks require human interaction from a person
        other than the attacker and while the vulnerability is in
        Oracle VM VirtualBox, attacks may significantly impact
        additional products. Successful attacks of this
        vulnerability can result in takeover of Oracle VM
        VirtualBox.
        
        CVE-2018-3088
        
        8.6
        
        AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
        
        The supported version that is affected is Prior to 5.2.16.
        Easily exploitable vulnerability allows unauthenticated
        attacker with logon to the infrastructure where Oracle VM
        VirtualBox executes to compromise Oracle VM VirtualBox.
        Successful attacks require human interaction from a person
        other than the attacker and while the vulnerability is in
        Oracle VM VirtualBox, attacks may significantly impact
        additional products. Successful attacks of this
        vulnerability can result in takeover of Oracle VM
        VirtualBox.
        
        CVE-2018-3089
        
        8.6
        
        AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
        
        The supported version that is affected is Prior to 5.2.16.
        Easily exploitable vulnerability allows unauthenticated
        attacker with logon to the infrastructure where Oracle VM
        VirtualBox executes to compromise Oracle VM VirtualBox.
        Successful attacks require human interaction from a person
        other than the attacker and while the vulnerability is in
        Oracle VM VirtualBox, attacks may significantly impact
        additional products. Successful attacks of this
        vulnerability can result in takeover of Oracle VM
        VirtualBox.
        
        CVE-2018-3090
        
        8.6
        
        AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
        
        The supported version that is affected is Prior to 5.2.16.
        Easily exploitable vulnerability allows unauthenticated
        attacker with logon to the infrastructure where Oracle VM
        VirtualBox executes to compromise Oracle VM VirtualBox.
        Successful attacks require human interaction from a person
        other than the attacker and while the vulnerability is in
        Oracle VM VirtualBox, attacks may significantly impact
        additional products. Successful attacks of this
        vulnerability can result in takeover of Oracle VM
        VirtualBox.
        
        CVE-2018-3085
        
        8.5
        
        AV:L/AC:L/PR:N/UI:R/S:C/C:L/I:H/A:H
        
        The supported version that is affected is Prior to 5.2.16.
        Easily exploitable vulnerability allows unauthenticated
        attacker with logon to the infrastructure where Oracle VM
        VirtualBox executes to compromise Oracle VM VirtualBox.
        Successful attacks require human interaction from a person
        other than the attacker and while the vulnerability is in
        Oracle VM VirtualBox, attacks may significantly impact
        additional products. Successful attacks of this
        vulnerability can result in  unauthorized creation, deletion
        or modification access to critical data or all Oracle VM
        VirtualBox accessible data as well as  unauthorized read
        access to a subset of Oracle VM VirtualBox accessible data
        and unauthorized ability to cause a hang or frequently
        repeatable crash (complete DOS) of Oracle VM VirtualBox.
        
        CVE-2018-1000300
        
        7.5
        
        AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
        
        The supported version that is affected is Prior to 18.3.
        Difficult to exploit vulnerability allows unauthenticated
        attacker with network access via HTTP to compromise OSS
        Support Tools.  Successful attacks require human interaction
        from a person other than the attacker. Successful attacks of
        this vulnerability can result in takeover of OSS Support
        Tools.
        
        CVE-2018-3055
        
        7.1
        
        AV:L/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:H
        
        The supported version that is affected is Prior to 5.2.16.
        Easily exploitable vulnerability allows unauthenticated
        attacker with logon to the infrastructure where Oracle VM
        VirtualBox executes to compromise Oracle VM VirtualBox.
        Successful attacks require human interaction from a person
        other than the attacker and while the vulnerability is in
        Oracle VM VirtualBox, attacks may significantly impact
        additional products. Successful attacks of this
        vulnerability can result in unauthorized ability to cause a
        hang or frequently repeatable crash (complete DOS) of Oracle
        VM VirtualBox and  unauthorized read access to a subset of
        Oracle VM VirtualBox accessible data.
        
        CVE-2018-1305
        
        6.5
        
        AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
        
        Supported versions that are affected are 5.3 and  5.4.
        Easily exploitable vulnerability allows low privileged
        attacker with network access via HTTP to compromise Oracle
        Secure Global Desktop.  Successful attacks of this
        vulnerability can result in  unauthorized access to critical
        data or complete access to all Oracle Secure Global Desktop
        accessible data.
        
        CVE-2018-0739
        
        6.5
        
        AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
        
        Supported versions that are affected are 4.4.1.5.0,
        5.0.0.1.0, 5.0.0.2.0, 5.0.1.0.0 and  5.0.2.0.0. Easily
        exploitable vulnerability allows unauthenticated attacker
        with network access via TLS to compromise Oracle
        Communications Network Charging and Control.  Successful
        attacks require human interaction from a person other than
        the attacker. Successful attacks of this vulnerability can
        result in unauthorized ability to cause a hang or frequently
        repeatable crash (complete DOS) of Oracle Communications
        Network Charging and Control.
        
        CVE-2018-3091
        
        6.3
        
        AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
        
        The supported version that is affected is Prior to 5.2.16.
        Easily exploitable vulnerability allows unauthenticated
        attacker with logon to the infrastructure where Oracle VM
        VirtualBox executes to compromise Oracle VM VirtualBox.
        Successful attacks require human interaction from a person
        other than the attacker and while the vulnerability is in
        Oracle VM VirtualBox, attacks may significantly impact
        additional products. Successful attacks of this
        vulnerability can result in  unauthorized access to critical
        data or complete access to all Oracle VM VirtualBox
        accessible data.
        
        CVE-2018-3005
        
        4.0
        
        AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
        
        The supported version that is affected is Prior to 5.2.16.
        Easily exploitable vulnerability allows unauthenticated
        attacker with logon to the infrastructure where Oracle VM
        VirtualBox executes to compromise Oracle VM VirtualBox.
        Successful attacks of this vulnerability can result in
        unauthorized ability to cause a partial denial of service
        (partial DOS) of Oracle VM VirtualBox." [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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