The remote Fedora host is missing a security update.
Update to 188.8.131.52 plus another patch to fix some security issues. AST-2008-002 details two buffer overflows that were discovered in RTP codec payload type handling. * http://downloads.digium.com/pub/security/AST-2008-002.pdf * All users of SIP in Asterisk 1.4 and 1.6 are affected. AST-2008-003 details a vulnerability which allows an attacker to bypass SIP authentication and to make a call into the context specified in the general section of sip.conf. * http://downloads.digium.com/pub/security/AST-2008-003.pdf * All users of SIP in Asterisk 1.0, 1.2, 1.4, or 1.6 are affected. AST-2008-005 details a problem in the way manager IDs are calculated. * http://downloads.digium.com/pub/security/AST-2008-005.pdf Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.