The IPv4 implementation in Sun Solaris 10 before 20060721 allows local users to select routes that differ from the routing table, possibly facilitating firewall bypass or unauthorized network communication.
https://exchange.xforce.ibmcloud.com/vulnerabilities/27935
http://www.vupen.com/english/advisories/2006/2937
http://www.securityfocus.com/bid/19108
http://sunsolve.sun.com/search/document.do?assetkey=1-26-102509-1