CVE-2015-5879 Information

Description

XNU in the kernel in Apple iOS before 9 does not properly validate the headers of TCP packets which allows remote attackers to bypass the sequence-number protection mechanism and cause a denial of service (TCP connection disruption) via a crafted header.

Reference

http://lists.apple.com/archives/security-announce/2015/Sep/msg00001.html http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html http://www.securityfocus.com/bid/76764 http://www.securitytracker.com/id/1033609 https://support.apple.com/HT205212 https://support.apple.com/HT205267