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Fedora 10: FEDORA-2009-5572 Critical Eggdrop Remote DoS

fedora
Calendar Grey May 28, 2009
Dist Fedora Esm H88
Urgent notice regarding Fedora 10 Eggdrop vulnerability leading to remote DoS attacks impacting IRC bots. Prompt measures are advised for those affected.
mod/server.mod/servmsg.c in Eggheads Eggdrop and Windrop 1.6.19 and earlier allows remote attackers to cause a denial of service (crash) via a crafted PRIVMSG that causes an empty...

Summary

Eggdrop is the world's most popular Open Source IRC bot, designed

for flexibility and ease of use. It is extendable with Tcl scripts

and/or C modules, has support for the big five IRC networks and is

able to form botnets, share partylines and userfiles between bots.

Update Information:

mod/server.mod/servmsg.c in Eggheads Eggdrop and Windrop 1.6.19 and earlier allows remote attackers to cause a denial of service (crash) via a crafted PRIVMSG that causes an empty string to trigger a negative string length copy. NOTE: this issue exists because of an incorrect fix for CVE-2007-2807. The current remote denial of service is tracked as CVE-2009-1789.

Change Log

* Tue May 26 2009 Robert Scheck 1.6.19-4 - Added upstream ctcpfix to solve CVE-2009-1789 (#502650) * Mon Feb 23 2009 Robert Scheck 1.6.19-3 - Rebuild for gcc 4.4 and rpm 4.6

References


[ 1 ] Bug #502650 - CVE-2009-1789 eggdrop DoS (crash) https://bugzilla.redhat.com/show_bug.cgi?id=502650

Update Instructions

This update can be installed with the "yum" update program. Use su -c 'yum update eggdrop' at the command line. For more information, refer to "Managing Software with yum", available at .

Severity
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Name: eggdrop
Product: Fedora 10
Version: 1.6.19
Release: 4.fc10
Summary: The world's most popular Open Source IRC bot

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