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TITLE:
Proficy HMI/SCADA - CIMPLICITY w32rtr.exe Packet Processing Buffer
Overflow

SECUNIA ADVISORY ID:
SA28663

VERIFY ADVISORY:
http://secunia.com/advisories/28663/

CRITICAL:
Moderately critical

IMPACT:
DoS, System access

WHERE:
>From local network

SOFTWARE:
Proficy HMI/SCADA - CIMPLICITY 6.x
http://secunia.com/product/11105/
Proficy HMI/SCADA - CIMPLICITY 7.x
http://secunia.com/product/17337/

DESCRIPTION:
Eyal Udassin has reported a vulnerability in Proficy HMI/SCADA -
CIMPLICITY, which can be exploited by malicious people to cause a DoS
(Denial of Service) or compromise a vulnerable system.

The vulnerability is caused due to a boundary error in w32rtr.exe
when processing packets and can be exploited to cause a heap-based
buffer overflow by sending a specially-crafted packet to default port
32000/TCP.

Successful exploitation allows execution of arbitrary code.

The vulnerability is reported in version 6.1. Other versions may also
be affected.

SOLUTION:
Apply hotfixes. Please see the vendor's advisory for details.

* CIMPLICITY 6.1 SP6 Hot Fix - 010708_162517_6106
* CIMPLICITY 7.0 SIM 9

PROVIDED AND/OR DISCOVERED BY:
Eyal Udassin, C4 Security

ORIGINAL ADVISORY:
GE Fanuc (KB12458):
http://support.gefanuc.com/support/index?page=kbchannel&id=KB12458

C4 Security (via BugTraq):
http://archives.neohapsis.com/archives/bugtraq/2008-01/0372.html

OTHER REFERENCES:
US-CERT VU#308556:
http://www.kb.cert.org/vuls/id/308556

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

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http://secunia.com/about_secunia_advisories/


Please Note:
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clicking the link.
Secunia NEVER sends attached files with advisories.
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