CVE-2008-2464 Information

Description

The mld_input function in sys/netinet6/mld6.c in the kernel in NetBSD 4.0 FreeBSD and KAME when INET6 is enabled allows remote attackers to cause a denial of service (divide-by-zero error and panic) via a malformed ICMPv6 Multicast Listener Discovery (MLD) query with a certain Maximum Response Delay value.

Reference

http://cert.fi/haavoittuvuudet/2008/advisory-netbsd.html http://cvsweb.netbsd.org/bsdweb.cgi/src/sys/netinet6/mld6.c http://cvsweb.netbsd.org/bsdweb.cgi/src/sys/netinet6/mld6.c.diff?r1=1.46&r2=1.47&f=h http://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2008-011.txt.asc http://securitytracker.com/id?1020822 http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/netinet6/mld6.c http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/netinet6/mld6.c.diff?r1=1.34;r2=1.35;f=h http://www.kb.cert.org/vuls/id/817940 http://www.securityfocus.com/bid/31026