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Security Bulletin: Vulnerabilities in Sametime Meeting Server (CVE-2013-3044, CVE-2013-3045, CVE-2013-0537, CVE-2013-3985)

Flash (Alert)


Abstract

The security bulletin addresses various vulnerabilities found in the Sametime Meeting Server regarding spoofing and domain cookies.

Content



VULNERABILITY DETAILS


CVE ID: CVE-2013-3044


DESCRIPTION

A user with permission to join a Sametime meeting can spoof messages from a user or post anonymous messages into the chat session.

CVSS Base Score: 4.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/84815 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/Au:N/C:N/I:P/A:N)


CVE ID: CVE-2013-3045


DESCRIPTION

A malicious user may use this ability to share a malicious link with other users through the Library function.

CVSS Base Score: 2.6
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/84816 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:H/Au:N/C:N/I:P/A:N)


CVE ID: CVE-2013-0537


DESCRIPTION

A user with permission to join a Sametime meeting can send spoofed links from any user to all members of the current meeting.

CVSS Base Score: 4.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/84840 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/Au:N/C:N/I:P/A:N)


CVE ID: CVE-2013-3985


DESCRIPTION

The Domain variable used to restrict application cookies is not tightly set and may result in exposed session variables .

CVSS Base Score: 2.9
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/84968 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:A/AC:M/Au:N/C:P/I:N/A:N)




AFFECTED PRODUCTS
IBM Lotus Sametime Meeting server versions 8.5.2 and 8.5.2.1



FIX

The fix for CVEs CVE-2013-3044, CVE-2013-3045 and CVE-2013-0537 is provided at this Fix Central link: 8521-ST-Meetings-IF-RHOK-9D2NLF

CVE-2013-3985 can be addressed via the configuration instructions in this document:
" Implementing single sign-on to minimize web user authentications."




INSTALLATION INSTRUCTIONS


This fix should be installed by following the same documented instructions that apply to installing the Sametime 8.5.2 IFR1 Hotfix:




WORKAROUND(S) & MITIGATIONS(S)

None available. Please apply the fix.



REFERENCES



RELATED INFORMATION



ACKNOWLEDGEMENT

The vulnerability was reported to IBM by Chris John Riley - R-IT CERT.



CHANGE HISTORY: 7 November 2013: Original Copy Published

*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 Flash.


Note: 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.

Document information

More support for: Lotus End of Support Products
IBM Sametime

Software version: 8.5.2, 8.5.2.1

Operating system(s): AIX, Linux, OS X, Windows

Reference #: 1654355

Modified date: 28 September 2014