CVE-2008-6123

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.9% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2009-02-12 · updated 2026-06-16
Weakness: CWE-863

Description

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: from 5.0.9 through 5.4.2.1
Opensuse: 10.3-11.1, 11.2
Red Hat Enterprise Linux: 3.0
SUSE Linux Enterprise: 9-11

References

http://bugs.gentoo.org/show_bug.cgi?id=250429
http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00003.html
http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.html
http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00003.html
http://net-snmp.svn.sourceforge.net/viewvc/net-snmp/trunk/net-snmp/snmplib/snmpUDPDomain.c?r1=17325&r2=17367&pathrev=17367
http://net-snmp.svn.sourceforge.net/viewvc/net-snmp?view=rev&revision=17367
http://secunia.com/advisories/34499
http://secunia.com/advisories/35416
http://secunia.com/advisories/35685
http://www.openwall.com/lists/oss-security/2009/02/12/2
http://www.openwall.com/lists/oss-security/2009/02/12/4
http://www.openwall.com/lists/oss-security/2009/02/12/7

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