CVE-2008-6123: Net-SNMP

Medium severity, CVSS 5.0. EPSS: 2.9% chance of exploitation in the next 30 days.

The netsnmp_udp_fmtaddr function (snmplib/snmpUDPDomain.c) in net-snmp 5.0.9 through 5.4.2.1, 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."

Affected products

• Net-SNMP Net-SNMP: from 5.0.9, up to and including 5.4.2.1
• Opensuse Opensuse: version 10.3-11.1 only; version 11.2 only
• Red Hat Enterprise Linux: version 3.0 only
• Suse Linux Enterprise: version 9-11 only

Published 2009-02-12. Last modified 2026-06-16.