Oracle Siebel CRM: Access Confidential Data -- Existing Account

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                         AUSCERT Security Bulletin

                               ASB-2018.0029
    Multiple vulnerabilities have been identified in Oracle Siebel CRM
                              17 January 2018

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

Product:              Oracle Siebel CRM
Operating System:     Windows
                      UNIX variants (UNIX, Linux, OSX)
Impact/Access:        Access Confidential Data -- Existing Account
Resolution:           Patch/Upgrade
CVE Names:            CVE-2018-2632 CVE-2018-2574 
Member content until: Friday, February 16 2018

OVERVIEW

        Multiple vulnerabilities have been identified in 
         Siebel Applications, versions  16.0,  17.0
        [1]


IMPACT

        The vendor has provided the following information regarding
        the vulnerabilities:
        
        "This Critical Patch Update contains 2 new security fixes
        for Oracle Siebel CRM. Neither of these vulnerabilities
        may be remotely exploitable without authentication,  i.e.,
        neither may be exploited over a network without requiring
        user credentials." [1]
        
        "CVE-2018-2574
        
        8.1
        
        AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
        
        Supported versions that are affected are 16.0 and  17.0.
        Easily exploitable vulnerability allows low privileged
        attacker with network access via HTTP to compromise Siebel
        CRM Desktop.  Successful attacks of this vulnerability can
        result in  unauthorized creation, deletion or modification
        access to critical data or all Siebel CRM Desktop accessible
        data as well as  unauthorized access to critical data or
        complete access to all Siebel CRM Desktop accessible data.
        
        CVE-2018-2632
        
        4.3
        
        AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
        
        Supported versions that are affected are 16.0 and  17.0.
        Easily exploitable vulnerability allows low privileged
        attacker with network access via HTTP to compromise Siebel
        Engineering - Installer and Deployment.  Successful attacks
        of this vulnerability can result in  unauthorized read
        access to a subset of Siebel Engineering - Installer and
        Deployment accessible data." [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 - January 2018
            http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html

        [2] Text Form of Oracle Critical Patch Update - January 2018 Risk
            Matrices
            http://www.oracle.com/technetwork/security-advisory/cpujan2018verbose-3236630.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 
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                On call after hours for member emergencies only.
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