Bow Sineath has reported a vulnerability in Eggdrop, which can be exploited by malicious people to compromise a vulnerable system.
The vulnerability is caused due to a boundary error within the server module (/mod/server.mod/servrmsg.c) when processing private messages sent by an IRC server. This can be exploited to cause a stack-based buffer overflow via e.g. a specially crafted private message sent to the bot as a server reply.
Successful exploitation may allow execution of arbitrary code but requires that the bot connects to a malicious IRC server.
The vulnerability is reported in version 1.6.18. Prior versions may also be affected.
Solution: Update to version 1.6.19.
Provided and/or discovered by: Bow Sineath
Original Advisory: http://www.eggheads.org/bugzilla/show_bug.cgi?id=462
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Subject: Eggdrop Server Module Private Message Processing Buffer Overflow
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