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…

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."

Scores

EPSS (exploitation in 30 days)

2.9% · top 13% of all CVEs (5 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.

Weakness

• n/a
• CWE-863 (opens in a new tab)All about CWE-863 and its CVEs

Affected products

• n/a

  • affected n/a

References (16)

• [oss-security] 20090212 CVE Request -- net-snmp (sensitive host information disclosure) (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [oss-security] 20090212 Re: CVE Request -- net-snmp (sensitive host information disclosure) (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• http://bugs.gentoo.org/show_bug.cgi?id=250429 (opens in a new tab)x_refsource_CONFIRMx_transferred
• https://bugzilla.redhat.com/show_bug.cgi?id=485211 (opens in a new tab)x_refsource_CONFIRMx_transferred
• [oss-security] Re: 20090212 CVE Request -- net-snmp (sensitive host information disclosure) (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• SUSE-SR:2009:011 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• SUSE-SR:2010:003 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• RHSA-2009:0295 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• 35685 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 34499 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• SUSE-SR:2009:012 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• 35416 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• http://net-snmp.svn.sourceforge.net/viewvc/net-snmp?view=rev&revision=17367 (opens in a new tab)x_refsource_CONFIRMx_transferred
• oval:org.mitre.oval:def:10289 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
• 1021921 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
• http://net-snmp.svn.sourceforge.net/viewvc/net-snmp/trunk/net-snmp/snmplib/snmpUDPDomain.c?r1=17325&r2=17367&pathrev=17367 (opens in a new tab)x_refsource_MISCx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2008-6123](https://trackcve.app/badge/CVE-2008-6123.svg)](https://trackcve.app/cve/CVE-2008-6123)

Record last updated 7 Aug 2024, 11:20 UTC.