CVE-2007-1497 Information

Description

nf_conntrack in netfilter in the Linux kernel before 2.6.20.3 does not set nfctinfo during reassembly of fragmented packets which leaves the default value as IP_CT_ESTABLISHED and might allow remote attackers to bypass certain rulesets using IPv6 fragments.

Reference

http://secunia.com/advisories/24492 http://secunia.com/advisories/25228 http://secunia.com/advisories/25288 http://secunia.com/advisories/25392 http://secunia.com/advisories/25961 http://secunia.com/advisories/26620 http://www.debian.org/security/2007/dsa-1289 http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.20.3 http://www.mandriva.com/security/advisories?name=MDKSA-2007:171 http://www.mandriva.com/security/advisories?name=MDKSA-2007:196 http://www.novell.com/linux/security/advisories/2007_43_kernel.html http://www.osvdb.org/33028 http://www.redhat.com/support/errata/RHSA-2007-0347.html http://www.securityfocus.com/bid/23976 http://www.ubuntu.com/usn/usn-464-1 http://www.vupen.com/english/advisories/2007/0944 https://oval.cisecurity.org/repository/search/definition/oval3Aorg.mitre.oval3Adef3A10457