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AUSCERT External Security Bulletin Redistribution
ESB-2013.0592
Security Bulletin: IBM SPSS SamplePower olch2x32 ActiveX
control vulnerability (CVE-2013-0593)
29 April 2013
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AusCERT Security Bulletin Summary
---------------------------------
Product: IBM SPSS SamplePower
Publisher: IBM
Operating System: Windows
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2013-0593
Original Bulletin:
http://www-01.ibm.com/support/docview.wss?uid=swg21635503
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Security Bulletin: IBM SPSS SamplePower olch2x32 ActiveX control vulnerability
(CVE-2013-0593)
Document information
SPSS SamplePower
Software version:
3.0
Operating system(s):
Windows
Reference #:
1635503
Modified date:
2013-04-26
Abstract
There is a security vulnerability with the olch2x32 ActiveX control shipped by
IBM SPSS SamplePower Version 3. The vulnerability allows remote attackers to
execute arbitrary code on installations of SamplePower when the control is
invoked as ActiveX by Microsoft Internet Explorer.
Content
VULNERABILITY DETAILS:
CVE IDs: CVE-2013-0593
DESCRIPTION: It is possible for an attacker to compromise the olch2x32 ActiveX
control used within IBM SPSS SamplePower to remotely execute arbitrary code by
instantiating this control from Microsoft Internet Explorer. For a remote
attacker to exploit these vulnerabilities in SamplePower releases, the following
must be accomplished:
The user must have IBM SPSS SamplePower installed on the machine.
Important Note: Continuous use of SamplePower is not required; the
vulnerabilities may be exploited against the ActiveX control regardless of the
use of the product.
Attacker needs to create malicious code that would exploit the ActiveX control.
This code could be part of an attachment by means of e-mail or a Web page.
User must be persuaded to execute the attachment or follow a Web site link that
contains the malicious code via the Microsoft Internet Explorer Web browser.
If the malicious website is running within Internet Explorer's Internet Zone,
the user must typically authorize the ActiveX pop-up dialog before it could be
used.
As of April 24, 2013, IBM has not received any reports of customer issues
related to these security vulnerabilities.
These vulnerabilities were reported to IBM by the TippingPoint Zero Day
Initiative (ZDI) and discovered by a third-party researcher, Alexander Gavrun
aka rgod, working with ZDI.
CVSS:
Using the Common Vulnerability Scoring System (CVSS) v2, the security ratings
for these issues are:
CVSS Base Score: 9.3
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/83382 for the
current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/AU:N/C:C/I:C/A:C)
AFFECTED PLATFORMS:
IBM SPSS SamplePower for Windows V3.0
REMEDIATION:
The recommended solution is to apply the workaround as soon as possible or
download and install the IBM SamplePower 3.0 FP1.
Fix* VRMF APAR How to acquire fix
3.0-IM-S3SAMPC-WIN32-FP001 3.0.0.1 N/A Download 3.0-IM-S3SAMPC-WIN32-FP001
Workaround:
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 SamplePower is installed.
Start the Microsoft Windows Registry Editor (regedit).
Navigate to
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\ActiveXCompatibility
Add a new Key:
{92D71E93-25A8-11CF-A640-9986B64D9618}
Select that Key and create a new DWORD value named:
Compatibility Flags
Set the Compatibility Flags value to:
0x00000400
Exit the Registry Editor.
Restart Internet Explorer.
Mitigation(s):
None known apply the workaround.
REFERENCES:
Complete CVSS Guide
On-line Calculator V2
CVE-2013-0593 - http://xforce.iss.net/xforce/xfdb/83382
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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