The (1) SMB and (2) SMB2 dissectors in Wireshark 0.9.0 through 1.2.4 allow remote attackers to cause a denial of service (crash) via a crafted packet that triggers a NULL pointer dereference, as demonstrated by fuzz-2009-12-07-11141.pcap.Referenceshttp://osvdb.org/61178http://www.debian.org/security/2009/dsa-1983https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9564http://secunia.com/advisories/37916http://secunia.com/advisories/37842http://www.vupen.com/english/advisories/2009/3596https://www.redhat.com/archives/fedora-package-announce/2009-December/msg01248.htmlhttp://www.securityfocus.com/bid/37407https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=4301http://www.securitytracker.com/id?1023374http://www.mandriva.com/security/advisories?name=MDVSA-2010:031http://www.wireshark.org/security/wnpa-sec-2009-09.html
