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TITLE:
Schneider Electric Products UnitelWay Device Driver Privilege
Escalation Vulnerability

SECUNIA ADVISORY ID:
SA46534

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/46534/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=46534

RELEASE DATE:
2011-10-22

DISCUSS ADVISORY:
http://secunia.com/advisories/46534/#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/46534/

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=46534

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 multiple Schneider Electric
products, which can be exploited by malicious, local users to gain
escalated privileges.

The vulnerability is caused due to an error in the UnitelWay device
driver when handling certain input and can be exploited to cause a
buffer overflow.

Successful exploitation may allow execution of arbitrary code.

The vulnerability is reported in the following products:
* Vijeo Citect version 7.20 and prior.
* OPC Factory Server version 3.34.
* Telemecanique Driver Pack version 2.6 and prior.
* Unity Pro version 6.0 and prior.
* Monitor version 7.6 and prior.
* PL7 Pro version 4.5 SP5 and prior.

SOLUTION:
Apply patch.

Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

PROVIDED AND/OR DISCOVERED BY:
ICS-CERT credits Kuang-Chun Hung, Security Research and Service
Institute - Information and Communication Security Technology Center
(ICST).

ORIGINAL ADVISORY:
Schneider Electric:
http://www.scada.schneider-electric.com/sites/scada/en/login/vijeo-citect-unitelway-windows-device-driver.page

ICS-CERT (ICSA-11-277-01):
http://www.us-cert.gov/control_systems/pdf/ICSA-11-277-01.pdf

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

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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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Secunia NEVER sends attached files with advisories.
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