The Sun RPC functionality in multiple libc implementations does not provide a time-out mechanism when reading data from TCP connections, which allows remote attackers to cause a denial of service (hang).
ftp://patches.sgi.com/support/free/security/advisories/20021103-01-P
sunsolve.sun.com/pub-cgi/retrieve.pl?doc=fsalert/51082
www-1.ibm.com/services/continuity/recover1.nsf/mss/MSS-OAR-E01-2004.0800.1
www.info.apple.com/usen/security/security_updates.html
www.iss.net/security_center/static/10539.php
www.kb.cert.org/vuls/id/266817
www.securityfocus.com/bid/6103
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2248