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://www.osvdb.org/9176 http://marc.theaimsgroup.com/?l=full-disclosure&m=109334851517137 http://www.vuxml.org/freebsd/8091fcea-f35e-11d8-81b0-000347a4fa7d.html

The following packages are affected: a2ps-a4 a2ps-letter a2ps-letterdj CVE-2004-1170 a2ps 4.13 allows remote attackers to execute arbitrary commands via shell metacharacters in the filename.