CVE-2009-1789 Information

Description

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.

Reference

http://archives.neohapsis.com/archives/fulldisclosure/2009-05/0129.html http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=528778 http://cvs.eggheads.org/viewvc/viewvc.cgi/eggdrop1.6/doc/Changes1.6?revision=1.20&view=markup http://osvdb.org/54460 http://secunia.com/advisories/35104 http://secunia.com/advisories/35158 http://secunia.com/advisories/35690 http://www.debian.org/security/2009/dsa-1826 http://www.mandriva.com/security/advisories?name=MDVSA-2009:126 http://www.securityfocus.com/archive/1/503574 http://www.securityfocus.com/bid/34985 http://www.vupen.com/english/advisories/2009/1340 https://exchange.xforce.ibmcloud.com/vulnerabilities/50547 https://www.exploit-db.com/exploits/8695 https://www.redhat.com/archives/fedora-package-announce/2009-May/msg01333.html https://www.redhat.com/archives/fedora-package-announce/2009-May/msg01337.html