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Security Bulletin: IBM Tealeaf Customer Experience is affected by a security vulnerability (CVE-2015-4989)

Security Bulletin


Summary

The IBM Tealeaf Customer Experience portal is affected by a security vulnerability that might allow unauthorized access to images of charts generated by other users.

Vulnerability Details

CVEID: CVE-2015-4989
DESCRIPTION: The IBM Tealeaf Customer Experience portal allows an attacker with knowledge of the internal name assigned to a chart displayed to an authorized user to retrieve the contents of the chart.
CVSS Base Score: 3.7
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/105902 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N)

Affected Products and Versions

IBM Tealeaf Customer Experience v8.0-v9.0.2

Remediation/Fixes

Product

VRMF
Remediation/First Fix
IBM Tealeaf Customer Experience
9.0.2A
https://www.ibm.com/support/entry/portal/search_results?sn=spe&filter=keywords:ibmsupportfixcentralsearch&q=9.0.2.5168_9.0.2A_IBMTealeaf_CXUpgrade_FixPack2
IBM Tealeaf Customer Experience
9.0.2
https://www.ibm.com/support/entry/portal/search_results?sn=spe&filter=keywords:ibmsupportfixcentralsearch&q=9.0.2.1118_IBMTealeaf_CXUpgrade_FixPack2
IBM Tealeaf Customer Experience
9.0.1A
https://www.ibm.com/support/entry/portal/search_results?sn=spe&filter=keywords:ibmsupportfixcentralsearch&q=9.0.1.5091_9.0.1A_IBMTealeaf_CXUpgrade_FixPack4
IBM Tealeaf Customer Experience
9.0.1
https://www.ibm.com/support/entry/portal/search_results?sn=spe&filter=keywords:ibmsupportfixcentralsearch&q=9.0.1.1097_IBMTealeaf_CXUpgrade_FixPack4
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
https://www.ibm.com/support/entry/portal/search_results?sn=spe&filter=keywords:ibmsupportfixcentralsearch&q=8.8.0.9034_IBMTealeaf_CXUpgrade_FixPack8
IBM Tealeaf Customer Experience
8.7
https://www.ibm.com/support/entry/portal/search_results?sn=spe&filter=keywords:ibmsupportfixcentralsearch&q=8.7.1.8830_IBMTealeaf_CXUpgrade_FixPack9
IBM Tealeaf Customer Experience
8.6 and earlier
You can contact the Technical Support team for guidance.
For v9.0.0, 9.0.0A, and versions before v8.7, IBM recommends upgrading to a later supported version of the product.

Workarounds and Mitigations

After installing the upgrade above, make the following change to the configuration file in <Tealeaf_install_directory>\Portal\Web.config:

  • Locate </system.net> and insert the following text after </system.net>, with the other <location path=..> nodes:

    • <!-- Static file handler -->
    <location path="temp_chart">
    <system.webServer>
    <handlers>
    <add verb="*" path="*" name="TLStaticFileHandler" type="TeaLeaf.Portal.Common.TLStaticFileHandler"/>
    </handlers>
    </system.webServer>
    </location>
  • Save Web.config
  • Restart all Tealeaf services

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References

Complete CVSS v2 Guide
On-line Calculator v2

Complete CVSS v3 Guide
On-line Calculator v3

Off

Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Acknowledgement

Vulnerability reported to IBM by Spyridon Chatzimichail at COSMOTE Mobile Telecommunications S.A.

Change History

09 June 2016: Update Fix Central links.
17 Dec 2015: Initial publication

*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

Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

Internal Use Only

All versions of the product are affected, but I removed the references to the versions not yet fixed at the request of the CES security team.

[{"Product":{"code":"SSERNK","label":"Tealeaf Customer Experience"},"Business Unit":{"code":"BU055","label":"Cognitive Applications"},"Component":"--","Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"Version Independent","Edition":"","Line of Business":{"code":"","label":""}}]

Document Information

Modified date:
16 June 2018

UID

swg21968866

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