ESB-2017.2152 - [Win][Linux] IBM Sametime Media Server: Multiple vulnerabilities 2017-08-29

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2017.2152
 Security Bulletin: Various Security vulnerabilities in IBM Sametime Media
           Server (CVE-2016-2970, CVE-2016-0729, CVE-2016-4449)
                              29 August 2017

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

Product:           IBM Sametime Media Server
Publisher:         IBM
Operating System:  Linux variants
                   Windows
Impact/Access:     Execute Arbitrary Code/Commands -- Remote/Unauthenticated
                   Denial of Service               -- Remote/Unauthenticated
                   Access Confidential Data        -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2016-4449 CVE-2016-2970 CVE-2016-0729

Reference:         ESB-2017.1586
                   ESB-2017.0624
                   ESB-2017.0271
                   ESB-2017.0122
                   ESB-2017.0036
                   ESB-2016.2996
                   ESB-2016.2993
                   ESB-2016.2361
                   ESB-2016.2260

Original Bulletin: 
   http://www-01.ibm.com/support/docview.wss?uid=swg22006233

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Security Bulletin: Various Security vulnerabilities in IBM Sametime Media 
Server (CVE-2016-2970, CVE-2016-0729, CVE-2016-4449)

Document information

More support for: IBM Sametime

Media Manager

Software version: 8.5.2, 8.5.2.1, 9.0, 9.0.0.1, 9.0.1

Operating system(s): Linux, Windows

Reference #: 2006233

Modified date: 23 August 2017

Security Bulletin

Summary

Various Security vulnerabilities in IBM Sametime Media Server (CVE-2016-2970,
CVE-2016-0729, CVE-2016-4449)

Vulnerability Details

CVEID: CVE-2016-2970

DESCRIPTION: IBM Sametime meetings server may provide detailed information in
an error message the may provide details about the application to possible 
attackers.

CVSS Base Score: 4.3

CVSS Temporal Score: See 
https://exchange.xforce.ibmcloud.com/vulnerabilities/113851 for the current 
score

CVSS Environmental Score*: Undefined

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

CVEID: CVE-2016-0729

DESCRIPTION: Apache Xerces-C XML Parser library is vulnerable to a denial of 
service, caused by improper bounds checking during processing and error 
reporting. By sending specially crafted input documents, an attacker could 
exploit this vulnerability to cause the library to crash or possibly execute 
arbitrary code on the system.

CVSS Base Score: 7.3

CVSS Temporal Score: See 
https://exchange.xforce.ibmcloud.com/vulnerabilities/111028 for the current 
score

CVSS Environmental Score*: Undefined

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

CVEID: CVE-2016-4449

DESCRIPTION: libxml2 could allow a remote attacker to obtain sensitive 
information, caused by a XML external entity (XXE) error when processing XML 
data by the XML parser. A remote attacker could exploit this vulnerability to
obtain sensitive information.

CVSS Base Score: 7.5

CVSS Temporal Score: See 
https://exchange.xforce.ibmcloud.com/vulnerabilities/113524 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:N/A:N)

Affected Products and Versions

IBM Sametime Media Server versions 9 and 8.5

Remediation/Fixes

Upgrade to Sametime 9.0.1 FP1 - 
http://www.ibm.com/support/docview.wss?uid=swg22004587

Users of version 8.5 should upgrade to 9.0.1 FP1 as v8.5 will no longer be 
supported after 30 September 2017.

Workarounds and Mitigations

None.

Get Notified about Future Security Bulletins

Subscribe to My Notifications to be notified of important product support 
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

*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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