The remote host is missing an update to the system as announced in the referenced advisory.

Update your system with the appropriate patches or software upgrades. http://rhn.redhat.com/errata/RHSA-2003-305.html http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=107140 http://lists.quagga.net/pipermail/quagga-users/2003-November/000906.html http://www.vuxml.org/freebsd/cad045c0-81a5-11d8-9645-0020ed76ef5a.html

The following packages are affected: zebra quagga CVE-2003-0858 Zebra 0.93b and earlier, and quagga before 0.95, allows local users to cause a denial of service by sending spoofed messages as other users to the kernel netlink interface.