Netware 5.1 Remote Administration Buffer Overflow Vulnerability

The Netware Remote Administration utility can be compromised to allow arbitrary code to be remotely run on the server.

The Remote Administration server is basically a simple webserver, and if sent a GET request of between 4 and 8 kb, some of the data gets written to executable registers.

Even without executable code being sent, this can lead to a DoS as although the server will not crash, the connection will not be aborted or cleaned. Therefore, these failed requests can be made repeatedly until the TCP/IP subsystem will no longer accept connection requests.


 

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