The OSPF implementation in IBM i 6.1 and 7.1 in z/OS on zSeries servers and in Networking Operating System (aka NOS formerly BLADE Operating System) does not properly validate Link State Advertisement (LSA) type 1 packets before performing operations on the LSA database which allows remote attackers to cause a denial of service (routing disruption) or obtain sensitive packet information via a crafted LSA packet a related issue to CVE-2013-0149.