CVE-2007-4643 Information

Description

Integer underflow in Doomsday (aka deng) 1.9.0-beta5.1 and earlier allows remote attackers to cause a denial of service (daemon crash) via a PKT_CHAT packet with a data length less than 3 which triggers an erroneous malloc possibly related to the Sv_HandlePacket function in sv_main.c.

Reference

http://aluigi.org/poc/dumsdei.zip http://bugs.gentoo.org/show_bug.cgi?id=190835 http://secunia.com/advisories/26524 http://secunia.com/advisories/28821 http://security.gentoo.org/glsa/glsa-200802-02.xml http://securityreason.com/securityalert/3084 http://www.securityfocus.com/archive/1/478077/100/0/threaded http://www.securityfocus.com/bid/25483 https://exchange.xforce.ibmcloud.com/vulnerabilities/36338