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AUSCERT External Security Bulletin Redistribution
ESB-2014.0118
Security Bulletin: IBM Lotus Quickr for Domino ActiveX control buffer
overflow vulnerability (CVE-2013-6748/6749)
29 January 2014
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AusCERT Security Bulletin Summary
---------------------------------
Product: IBM Lotus Quickr for Domino
Publisher: IBM
Operating System: AIX
IBM i
Linux variants
Solaris
Windows
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2013-6749 CVE-2013-6748
Original Bulletin:
http://www-01.ibm.com/support/docview.wss?uid=swg21662653
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Security Bulletin: IBM Lotus Quickr for Domino ActiveX control buffer overflow
vulnerability (CVE-2013-6748/6749)
Security Bulletin
Document information
More support for:
Lotus Quickr for Domino
ActiveX Control
Software version:
8.5.1
Operating system(s):
AIX, IBM i, Linux, Solaris, Windows
Reference #:
1662653
Modified date:
2014-01-24
Summary
A security vulnerability exists in the Lotus Quickr for Domino ActiveX control
shipped by Lotus Quickr for Domino. This vulnerability could allow remote
attackers to execute arbitrary code on installations of Lotus Quickr for Domino
when the control is invoked as ActiveX by Microsoft Internet Explorer.
Vulnerability Details
DESCRIPTION:
It is possible for an attacker to compromise the qp2.cab ActiveX control used
within Lotus Quickr for Domino to remotely execute arbitrary code by
instantiating this control from Microsoft Internet Explorer.
CVEID: CVE-2013-6748
CVSS Base Score: 7.5
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/89864 for the
current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:P/I:P/A:P)
CVEID: CVE-2013-6749
CVSS Base Score: 7.5
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/89865 for the
current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:P/I:P/A:P)
Affected Products
Lotus Quickr for Domino 8.5.1
Remediation/Fixes
The following Fix Packs contain the fix for this issue:
Lotus Quickr for Domino 8.5.1 - FixPack 8.5.1.42-001b and 8.5.1.42-301b
These Fix Packs are available on IBM Fix Central via IBM Support Portal:
http://www.ibm.com/support/entry/portal/overview/software/lotus/lotus_quickr_for_domino
Workarounds/Mitigations
Disable the use of the vulnerable ActiveX control within Internet Explorer.
Note: This solution contains information about modifying the Microsoft
operating system registry. Before making any modifications with the Microsoft
Registry Editor, it is strongly recommended that you make a backup of the
existing registry. For more information about how to back up the registry refer
to Microsoft Knowledge Base article 256986.
The vulnerable ActiveX control can be disabled in Internet Explorer by manually
setting the kill bit. Complete the following steps to set the kill bit on the
machine where Quickr for Domino is installed:
1. Start the Microsoft Windows Registry Editor (regedit)
2. Navigate to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\ActiveXCompatibility
3. Add a new Key:
{05D96F71-87C6-11d3-9BE4-00902742D6E0} 4. Select that Key and create a
new DWORD value named:
Compatibility Flags 5. Set the Compatibility Flags value to:
0x00000400 6. Exit the Registry Editor.
7. Restart Internet Explorer.
Mitigation(s):
None known. Apply the workaround.
References:
Complete CVSS Guide
On-line Calculator V2
RELATED INFORMATION:
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
ACKNOWLEDGEMENT
The vulnerability was reported to IBM by Aniway.Anyway@gmail.com working with
HP's Zero Day Initiative
Change History
23 January 2014 - Original Copy Published
24 January 2014 - Links updated
*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.
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.
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