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Secunia Security Advisory 46830

Secunia Security Advisory 46830
Posted Nov 14, 2011
Authored by Secunia | Site secunia.com

Secunia Security Advisory - Luigi Auriemma has discovered two vulnerabilities in Optima PLC, which can be exploited by malicious people to cause a DoS (Denial of Service).

tags | advisory, denial of service, vulnerability
MD5 | 3b3c38ce65aa66340e7fa04aabbde2f1

Secunia Security Advisory 46830

Change Mirror Download
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SC World Congress, New York, USA, 16 November 2011
Visit the Secunia booth (#203) and discover how you can improve your handling of third party programs:

http://secunia.com/resources/events/sc_2011/

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TITLE:
Optima PLC APIFTP Server Two Denial of Service Vulnerabilities

SECUNIA ADVISORY ID:
SA46830

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/46830/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=46830

RELEASE DATE:
2011-11-14

DISCUSS ADVISORY:
http://secunia.com/advisories/46830/#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/46830/

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=46830

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:
Luigi Auriemma has discovered two vulnerabilities in Optima PLC,
which can be exploited by malicious people to cause a DoS (Denial of
Service).

1) An error within the handling of certain packets in the APIFTP
Server (APIFTPServer.exe) can be exploited to repeatedly trigger a
NULL pointer dereference leading to a stack overflow by sending
specially packets to port 10260/TCP.

2) An error within the handling of certain packets in the APIFTP
Server (APIFTPServer.exe) can be exploited to cause an infinite loop
by sending specially crafted packets to port 10260/TCP.

The vulnerabilities are confirmed in APIFTP Server version 1.6.1.110
included in Optima PLC version 2.13.3.5. Other versions may also be
affected.

SOLUTION:
Restrict access to trusted hosts only.

PROVIDED AND/OR DISCOVERED BY:
Luigi Auriemma

ORIGINAL ADVISORY:
http://aluigi.altervista.org/adv/optimalog_1-adv.txt

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/

----------------------------------------------------------------------

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.

Subscribe:
http://secunia.com/advisories/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/advisories/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

----------------------------------------------------------------------

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