J-Security Center

Title: Roger Wilco Remote Username Denial of Service Vulnerability

Severity: MODERATE

Description:

Roger Wilco is a net-based communication client designed to allow users to speak in real-time. Multiple clients may connect to a single Roger Wilco server, allowing remote users to interact. It is available for the Microsoft Windows operating servers.

It has been reported that connecting to a Roger Wilco server with a username of excessive length may cause the server to crash. The problem is said to occur within the NETWORK.DLL library, specifically when someone with a 33 byte or larger username connects to the server. This may effectively deny service to other legitimate users.

Although it has not been confirmed, this issue may be due to insufficient bounds checking before copying username data into an internal memory buffer.

This vulnerability is said to affect Roger Wilco 1.4.1.6.

Affected Products:

  • GameSpy Roger Wilco Graphical Server 1.4.1.6

References:

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