From: Secunia Security Advisories (sec-advsecunia.com)
Date: Tue Dec 21 2004 - 09:50:26 CST

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TITLE:
GamePort Two Security Bypass Vulnerabilities

SECUNIA ADVISORY ID:
SA13569

VERIFY ADVISORY:
http://secunia.com/advisories/13569/

CRITICAL:
Less critical

IMPACT:
Security Bypass

WHERE:
Local system

SOFTWARE:
GamePort 4.x
http://secunia.com/product/4443/

DESCRIPTION:
amoXi and Dr.vaXin have discovered two security issues in GamePort,
which can be exploited by malicious, local users to bypass some
security restrictions.

1) Insufficient validation of the password field on the client can be
exploited to disable the credits countdown by appending a specially
crafted string to a valid password when logging in.

2) Insufficient validation in the "Send message to user..." option on
the server can be exploited to execute remote applications and change
the admin password on clients without knowing the admin password.

Successful exploitation requires physical access to the Gameport
server.

The security issues have been confirmed in version 4.0. Other
versions may also be affected.

SOLUTION:
Use another product.

PROVIDED AND/OR DISCOVERED BY:
amoXi and Dr.vaXin

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