Secunia Security Advisory - A vulnerability has been reported in Gesytec Easylon OPC Server, which can be exploited by malicious people to cause a DoS (Denial of Service) or potentially compromise a vulnerable system.
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TITLE:
Gesytec Easylon OPC Server Handle Validation Vulnerability
SECUNIA ADVISORY ID:
SA28079
VERIFY ADVISORY:
http://secunia.com/advisories/28079/
CRITICAL:
Moderately critical
IMPACT:
DoS, System access
WHERE:
>From local network
SOFTWARE:
Gesytec Easylon OPC Server 2.x
http://secunia.com/product/16967/
DESCRIPTION:
A vulnerability has been reported in Gesytec Easylon OPC Server,
which can be exploited by malicious people to cause a DoS (Denial of
Service) or potentially compromise a vulnerable system.
The vulnerability is caused due to an error when validating server
handles and can be exploited to e.g. cause the server to crash or
potentially execute arbitrary code.
SOLUTION:
Update to version 2.3.44 or later.
ftp://ftp.gesytec.de/pub/opc/
PROVIDED AND/OR DISCOVERED BY:
Neutralbit
ORIGINAL ADVISORY:
VU#205073:
http://www.kb.cert.org/vuls/id/205073
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