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Pi3Web Webserver v2.0 Buffer Overflow Vulnerability

Type:
DoS, crashes Daemon

Release Date:
January 14, 2002

Product / Vendor:
Pi3Web is a free, multithreaded, highly configurable and extensible
HTTP server and development environment for cross platform internet
server development and deployment.

http://pi3web.sourceforge.net

Summary:
Server crashes after sending very long cgi parameter a few times.

http://host/cgi-bin/hello.exe.....<224 char>…

The instruction at "0x77fcc1df" referenced memory at "0x009946c0".
The memory could not be "read".

Tested:
Windows 2000 / PiWeb v2.0

Vulnerable:
Pi3Web v2.0 (And may be other)

Disclaimer:
http://www.securityoffice.net is not responsible for the misuse or
illegal use of any of the information and/or the software listed on
this security advisory.

Author:
Tamer Sahin
[email protected]
http://www.securityoffice.net

Tamer Sahin
http://www.securityoffice.net
PGP Key ID: 0x2B5EDCB0 Fingerprint:
B96A 5DFC E0D9 D615 8D28 7A1B BB8B A453 2B5E DCB0

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