Aptis Software TotalBill Remote Command Execution Vulnerability

Aptis Software offers a billing / provisioning solution for ISPs called TotalBill. One component of the TotalBill package is a network service called Sysgen that listens on or around port 9998. It allows a client connectiing to it to execute any command on the host it is running on (with whatever uid the service runs as, typically root) without any authentication. If this service is not filtered, anonymous attackers can easily gain root access on the target host by remotely exploiting this naive service. Other components of TotalBill may be vulnerable also (noteably cc_queue to a buffer overflow attack) but none are confirmed.


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