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"From 2007 to 2009 vulnerabilities in a typical end-user PC almost doubled from about 220 to 420."

Non-Microsoft software to blame for increase in vulnerabilities affecting typical Windows end-users, read more:

http://secunia.com/gfx/pdf/Secunia_Half_Year_Report_2010.pdf


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TITLE:
Invensys Wonderware ConfigurationAccessComponent ActiveX Control
Buffer Overflow

SECUNIA ADVISORY ID:
SA40851

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/40851/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=40851

RELEASE DATE:
2010-08-05

DISCUSS ADVISORY:
http://secunia.com/advisories/40851/#comments

AVAILABLE ON SITE AND IN CUSTOMER AREA:
 * Last Update
 * Popularity
 * Comments
 * Criticality Level
 * Impact
 * Where
 * Solution Status
 * Operating System / Software
 * CVE Reference(s)

http://secunia.com/advisories/40851/

ONLY AVAILABLE IN CUSTOMER AREA:
 * Authentication Level
 * Report Reliability
 * Secunia PoC
 * Secunia Analysis
 * Systems Affected
 * Approve Distribution
 * Remediation Status
 * Secunia CVSS Score
 * CVSS

https://ca.secunia.com/?page=viewadvisory&vuln_id=40851

ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:
 * AUTOMATED SCANNING

http://secunia.com/vulnerability_scanning/personal/
http://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/

DESCRIPTION:
A vulnerability has been reported in Invensys Wonderware
ConfigurationAccessComponent ActiveX Control, which can be exploited
by malicious people to potentially compromise a user's system.

The vulnerability is caused due to a boundary error in the
"ConfigurationAccessComponent" ActiveX control
(ConfigurationAccessComponent.dll) within the IConfigurationAccess
interface when handling arguments passed to the "UnsubscribeData()"
method and can be exploited to cause a stack-based buffer overflow.

Successful exploitation may allow execution of arbitrary code.

The vulnerability is reported in Wonderware Development Studio
running Wonderware Application Server versions prior to  3.1 SP2 P01.

SOLUTION:
Apply the security updates (please see the vendor advisory for
details).

PROVIDED AND/OR DISCOVERED BY:
The vendor credits Richard van Eeden of IOActive Labs.

ORIGINAL ADVISORY:
Invensys Wonderware:
http://www.pacwest.wonderware.com/web/News/NewsDetails.aspx?NewsID=203108

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

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About:
This Advisory was delivered by Secunia as a free service to help
private users keeping their systems up to date against the latest
vulnerabilities.

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Please Note:
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Secunia NEVER sends attached files with advisories.
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use those supplied by the vendor.

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