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TITLE:
Pi3Web HTTP Request Processing Denial of Service Vulnerability

SECUNIA ADVISORY ID:
SA25009

VERIFY ADVISORY:
http://secunia.com/advisories/25009/

CRITICAL:
Moderately critical

IMPACT:
DoS

WHERE:
>From remote

SOFTWARE:
Pi3Web 2.x
http://secunia.com/product/1500/

DESCRIPTION:
Gaurav Deshpande has discovered a vulnerability in Pi3Web HTTP
Server, which can be exploited by malicious people to cause a DoS
(Denial of Service).

The vulnerability is caused due to an error when processing HTTP
requests and can be exploited to terminate the service via an overly
long, specially crafted HTTP request consisting of e.g. multiple "/A"
characters.

The vulnerability is confirmed in version 2.0.3 PL1 on Windows. Other
versions may also be affected.

SOLUTION:
Apply PL2.
http://downloads.sourceforge.net/pi3web/Pi3Web-x86Win32-2_0_3-pl2.zip

PROVIDED AND/OR DISCOVERED BY:
Gaurav Deshpande

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