The remote host is missing an update to net-snmp announced via advisory MDVSA-2009:056.
To upgrade automatically use MandrakeUpdate or urpmi. The verification of md5 checksums and GPG signatures is performed automatically for you. https://secure1.securityspace.com/smysecure/catid.html?in=MDVSA-2009:056
A vulnerability has been identified and corrected in net-snmp: The netsnmp_udp_fmtaddr function (snmplib/snmpUDPDomain.c) in net-snmp 5.0.9 through 5.4.2, when using TCP wrappers for client authorization, does not properly parse hosts.allow rules, which allows remote attackers to bypass intended access restrictions and execute SNMP queries, related to source/destination IP address confusion. (CVE-2008-6123) The updated packages have been patched to prevent this. Affected: 2009.0