Thomas Sader has reported a vulnerability in Eggdrop, which can be exploited by malicious people to cause a DoS (Denial of Service).
The vulnerability is caused due to an error in the processing of private messages within the server module (/mod/server.mod/servrmsg.c). This can be exploited to cause a crash by sending a specially crafted message to the bot.
Successful exploitation requires that the attacker is connected to the same IRC network as Eggdrop.
The vulnerability is reported in version 1.6.19.
Solution: Update to Eggdrop 1.6.19+ctcpfix.
Provided and/or discovered by: Thomas Sader
Original Advisory: http://archives.neohapsis.com/archives/fulldisclosure/2009-05/0129.html
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Subject: Eggdrop servmsg.c Denial of Service Vulnerability
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