Security Bulletin: IBM Lotus Quickr for Domino ActiveX control buffer overflow vulnerability (CVE-2013-6748/6749)

Security Bulletin


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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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

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