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AUSCERT External Security Bulletin Redistribution
ESB-2018.0256
Security Bulletin: Multiple Security Issues in IBM Tealeaf
Customer Experience on Cloud Network Capture Add-On
24 January 2018
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AusCERT Security Bulletin Summary
---------------------------------
Product: IBM Tealeaf Customer Experience
Publisher: IBM
Operating System: Windows
UNIX variants (UNIX, Linux, OSX)
Virtualisation
Impact/Access: Denial of Service -- Remote/Unauthenticated
Access Confidential Data -- Remote/Unauthenticated
Unauthorised Access -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2017-1204 CVE-2016-10161 CVE-2016-2983
Reference: ESB-2017.0378
Original Bulletin:
http://www.ibm.com/support/docview.wss?uid=swg22006455
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Security Bulletin: Multiple Security Issues in IBM Tealeaf Customer Experience
on Cloud Network Capture Add-On
Document information
More support for: Tealeaf Customer Experience
Software version: Version Independent
Operating system(s): Platform Independent
Reference #: 2006455
Modified date: 23 January 2018
Security Bulletin
Summary
BlueZ is vulnerable to a denial of service, caused by a buffer over-read issue.
By using a specially-crafted dump file, an attacker could exploit this
vulnerability to cause the application to crash.
IBM Tealeaf contains hard-coded credentials. A remote attacker could exploit
this vulnerability to gain access to the system.
IBM Tealeaf Customer Experience could allow a remote attacker under unusual
circumstances to read operational data or TLS session state for any active
sessions, cause denial of service, or bypass security.
Vulnerability Details
CVEID: CVE-2016-10161
DESCRIPTION: BlueZ is vulnerable to a denial of service, caused by a buffer
over-read issue in object_common1 function in ext/standard/var_unserializer.c.
By using a specially-crafted dump file, an attacker could exploit this
vulnerability to cause the application to crash.
CVSS Base Score: 4.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
121892 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)
CVEID: CVE-2017-1204
DESCRIPTION: IBM Tealeaf contains hard-coded credentials. A remote attacker
could exploit this vulnerability to gain access to the system.
CVSS Base Score: 5.6
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
123740 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L)
CVEID: CVE-2016-2983
DESCRIPTION: IBM Tealeaf Customer Experience could allow a remote attacker
under unusual circumstances to read operational data or TLS session state for
any active sessions, cause denial of service, or bypass security.
CVSS Base Score: 5.6
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
113999 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L)
*
Affected Products and Versions
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| 16.1.01 |https://tealeaf.support.ibmcloud.com/ics/support/DLList.asp- |
|Cloud Network| |task=download&folderID=121267 |
| Capture | | |
| Add-On | | |
+-------------+-----------+-------------------------------------------------------------+
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.
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alerts like this.
References
Complete CVSS v3 Guide
On-line Calculator v3
Related information
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
Change History
17 November 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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