Luigi Auriemma has reported two vulnerabilities in FSD, which potentially can be exploited by malicious people to compromise a vulnerable system.
1) A boundary error exists within the "sysuser::exechelp()" function in sysuser.cc. This can be exploited to cause a buffer overflow by sending a specially crafted "help" command with an overly long parameter to a vulnerable server.
2) A boundary error exists within the "servinterface::sendmulticast()" function in servinterface.cc. This can be exploited to cause a buffer overflow by sending various specially crafted commands to a vulnerable server.
The vulnerabilities are reported in FSD 2.052 d9. Other versions may also be affected.
Solution: Restrict use to trusted network environments.
Provided and/or discovered by: Luigi Auriemma
Original Advisory: http://aluigi.altervista.org/adv/fsdbof-adv.txt
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Subject: FSD Two Buffer Overflow Vulnerabilities
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