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             AUSCERT External Security Bulletin Redistribution

                               ESB-2017.0350
Security Bulletin: Vulnerabilities in Memcached affect IBM Tealeaf Customer
          Experience and IBM Tealeaf Customer Experience on Cloud
                          Network Capture Add-On
                              7 February 2017

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

Product:           IBM Tealeaf Customer Experience
Publisher:         IBM
Operating System:  Windows
                   Linux variants
                   Virtualisation
Impact/Access:     Execute Arbitrary Code/Commands -- Remote/Unauthenticated
                   Denial of Service               -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2016-8706 CVE-2016-8705 CVE-2016-8704

Reference:         ASB-2016.0099
                   ESB-2017.0080
                   ESB-2016.2800
                   ESB-2016.2606

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=swg21998093

- --------------------------BEGIN INCLUDED TEXT--------------------

Security Bulletin: Vulnerabilities in Memcached affect IBM Tealeaf Customer
Experience and IBM Tealeaf Customer Experience on Cloud Network Capture Add-
On

Security Bulletin

Document information

More support for:

Tealeaf Customer Experience

Software version:

Version Independent

Operating system(s):

Platform Independent

Reference #:

1998093

Modified date:

02 February 2017

Summary

Heap-based buffer overflow vulnerabilities in Memcached affect IBM Tealeaf
Customer Experience and IBM Tealeaf Customer Experience on Cloud Network
Capture Add-On. IBM Tealeaf Customer Experience and IBM Tealeaf Customer
Experience on Cloud Network Capture Add-On have addressed the applicable
CVEs.

Vulnerability Details

CVEID:

CVE-2016-8705

DESCRIPTION:

Memcached is vulnerable to a heap-based buffer overflow, caused by an integer
overflow in the process_bin_update function. By using a specially-crafted
command, a remote attacker could overflow a buffer and execute arbitrary code
on the system.

CVSS Base Score: 9.8

CVSS Temporal Score: See

https://exchange.xforce.ibmcloud.com/vulnerabilities/118453

for the current score

CVSS Environmental Score*: Undefined

CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

CVEID:

CVE-2016-8706

DESCRIPTION:

Memcached is vulnerable to a heap-based buffer overflow, caused by an integer
overflow in the process_bin_sasl_auth function. By using a specially-crafted
authentication command, a remote attacker could overflow a buffer and execute
arbitrary code on the system.

CVSS Base Score: 8.1

CVSS Temporal Score: See

https://exchange.xforce.ibmcloud.com/vulnerabilities/118454

for the current score

CVSS Environmental Score*: Undefined

CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)

CVEID:

CVE-2016-8704

DESCRIPTION:

Memcached is vulnerable to a heap-based buffer overflow, caused by an integer
overflow in the process_bin_append_prepend function. By using a specially-
crafted command, a remote attacker could overflow a buffer and execute
arbitrary code on the system.

CVSS Base Score: 9.8

CVSS Temporal Score: See

https://exchange.xforce.ibmcloud.com/vulnerabilities/118447

for the current score

CVSS Environmental Score*: Undefined

CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

IBM Tealeaf Customer Experience v8.7-v9.0.2

IBM Tealeaf Customer Experience on Cloud Network Capture Add-On 16.1.01

Remediation/Fixes

Product                                                          VRMF                              Remediation/First Fix
IBM Tealeaf Customer Experience on Cloud Network Capture Add-On  16.1.01                           IBMTealeaf_PCA-3732-13 in https://tealeaf.support.ibmcloud.com/ics/support/DLList.asp?task=download&folderID=121267
IBM Tealeaf Customer Experience                                  9.0.2A                            http://www.ibm.com/support/fixcentral/swg/quickorder?parent=Enterprise%20Marketing%20Management&product=ibm/Other+software/Tealeaf+Customer+Experience&release=All&platform=All&function=fixId&fixids=9.0.2A_IBMTealeaf_PCA-3732-13_SecurityRollup_FixPack&includeSupersedes=0&source=fc
IBM Tealeaf Customer Experience                                  9.0.2                             http://www.ibm.com/support/fixcentral/swg/quickorder?parent=Enterprise%20Marketing%20Management&product=ibm/Other+software/Tealeaf+Customer+Experience&release=All&platform=All&function=fixId&fixids=9.0.2_IBMTealeaf_PCA-3682-13_SecurityRollup_FixPack&includeSupersedes=0&source=fc
IBM Tealeaf Customer Experience                                  9.0.1A                            http://www.ibm.com/support/fixcentral/swg/quickorder?parent=Enterprise%20Marketing%20Management&product=ibm/Other+software/Tealeaf+Customer+Experience&release=All&platform=All&function=fixId&fixids=9.0.1A_IBMTealeaf_PCA-3724-13_SecurityRollup_FixPack&includeSupersedes=0&source=fc
IBM Tealeaf Customer Experience                                  9.0.1                             http://www.ibm.com/support/fixcentral/swg/quickorder?parent=Enterprise%20Marketing%20Management&product=ibm/Other+software/Tealeaf+Customer+Experience&release=All&platform=All&function=fixId&fixids=9.0.1_IBMTealeaf_PCA-3673-13_SecurityRollup_FixPack&includeSupersedes=0&source=fc
IBM Tealeaf Customer Experience                                  9.0.0, 9.0.0A                     You can contact the Technical Support team for guidance.
IBM Tealeaf Customer Experience                                  8.8                               http://www.ibm.com/support/fixcentral/swg/quickorder?parent=Enterprise%20Marketing%20Management&product=ibm/Other+software/Tealeaf+Customer+Experience&release=All&platform=All&function=fixId&fixids=8.8_IBMTealeaf_PCA-3625-13_SecurityRollup_FixPack&includeSupersedes=0&source=fc
IBM Tealeaf Customer Experience                                  8.7                               http://www.ibm.com/support/fixcentral/swg/quickorder?parent=Enterprise%20Marketing%20Management&product=ibm/Other+software/Tealeaf+Customer+Experience&release=All&platform=All&function=fixId&fixids=8.7_IBMTealeaf_PCA-3615-13_SecurityRollup_FixPack&includeSupersedes=0&source=fc

Workarounds and Mitigations

Access to local networks containing networked Tealeaf servers should be
limited to avoid unauthorized access to or disruption of Tealeaf services.

Access to PCA systems should be limited as much as possible.

References

Complete CVSS v3 Guide

On-line Calculator v3

Related information

IBM Secure Engineering Web Portal

IBM Product Security Incident Response Blog

Change History

2 February 2017: Initial version

*The CVSS Environment Score is customer environment specific and will
ultimately impact the Overall CVSS Score. Customers can evaluate the impact
of this vulnerability in their environments by accessing the links in the
Reference section of this Security Bulletin.

Disclaimer

According to the Forum of Incident Response and Security Teams (FIRST), the
Common Vulnerability Scoring System (CVSS) is an "industry open standard
designed to convey vulnerability severity and help to determine urgency and
priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY
OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT
OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.

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