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    CVE-2008-6123

    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."

    Published:Dec 9, 2008
    Last Modified:Apr 23, 2026
    EPS:Feb 12, 2009
    EPSS Score:0.00627
    CVSS Score:5

    Affected Products

    Vendor
    Net-snmp
    Product
    Net-snmp
    Vendor
    Opensuse
    Product
    Opensuse
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Suse
    Product
    Linux Enterprise

    Exploits

    http://bugs.gentoo.org/show_bug.cgi?id=250429http://bugs.gentoo.org/show_bug.cgi?id=250429

    Common Weakness Enumeration

    CWE-863 Incorrect Authorization

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-89147 (CVSS 8.7) — Net-SNMP through 5.9.5.2 contains a denial of service vulnerability in the SMUX module where smux_accept() per…
    CVE-2025-68615 (CVSS 9.8) — net-snmp is a SNMP application library, tools and daemon. Prior to versions 5.9.5 and 5.10.pre2, a specially c…
    CVE-2022-44792 (CVSS 6.5) — handle_ipDefaultTTL in agent/mibgroup/ip-mib/ip_scalars.c in Net-SNMP 5.8 through 5.9.3 has a NULL Pointer Exc…
    CVE-2022-44793 (CVSS 6.5) — handle_ipv6IpForwarding in agent/mibgroup/ip-mib/ip_scalars.c in Net-SNMP 5.4.3 through 5.9.3 has a NULL Point…
    CVE-2022-24810 (CVSS 6.5) — net-snmp provides various tools relating to the Simple Network Management Protocol. Prior to version 5.9.2, a …
    CVE-2022-24808 (CVSS 6.5) — net-snmp provides various tools relating to the Simple Network Management Protocol. Prior to version 5.9.2, a …
    CVE-2022-24805 (CVSS 6.5) — net-snmp provides various tools relating to the Simple Network Management Protocol. Prior to version 5.9.2, a …
    CVE-2022-24806 (CVSS 6.5) — net-snmp provides various tools relating to the Simple Network Management Protocol. Prior to version 5.9.2, a …
    CVE-2022-24809 (CVSS 6.5) — net-snmp provides various tools relating to the Simple Network Management Protocol. Prior to version 5.9.2, a …
    CVE-2022-24807 (CVSS 6.5) — net-snmp provides various tools relating to the Simple Network Management Protocol. Prior to version 5.9.2, a …

    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
    http://www.redhat.com/support/errata/RHSA-2009-0295.html
    http://www.securitytracker.com/id?1021921
    https://bugzilla.redhat.com/show_bug.cgi?id=485211
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10289
    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
    http://www.redhat.com/support/errata/RHSA-2009-0295.html
    http://www.securitytracker.com/id?1021921
    https://bugzilla.redhat.com/show_bug.cgi?id=485211
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10289

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High