From: Secunia Security Advisories (sec-advsecunia.com)
Date: Wed Mar 24 2010 - 18:11:18 CDT

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

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TITLE:
Lexmark Laser Printers Flood Protection Denial of Service

SECUNIA ADVISORY ID:
SA39056

VERIFY ADVISORY:
http://secunia.com/advisories/39056/

DESCRIPTION:
Francis Provencher has reported a vulnerability in Lexmark Laser
Printers, which can be exploited by malicious people to cause a DoS
(Denial of Service).

The vulnerability is caused due to an error in the FTP service
exception handler, which can be exploited to keep the flood
protection permanently enabled via aborted passive FTP connections.

Please see the vendor advisory for a list of affected products and
versions.

SOLUTION:
Please see the vendor advisory for details on how to obtain an
updated firmware or to apply a workaround.

PROVIDED AND/OR DISCOVERED BY:
Francis Provencher, Protek Research Lab's

ORIGINAL ADVISORY:
Lexmark:
http://support.lexmark.com/index?page=content&id=TE85&locale=EN&userlocale=EN_US

Protek Research Lab's:
http://www.protekresearchlab.com/index.php?option=com_content&view=article&id=11&Itemid=11

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