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CVE-2008-6123

5.0 · MEDIUM

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 allo…

Published Feb 12, 2009net-snmpCWE-863EPSS 2.90%

Overview

CVE-2008-6123 is a medium-severity vulnerability affecting net-snmp net-snmp. It was published on February 12, 2009 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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."

Remediation

Check the references section for vendor advisories and patches from net-snmp. Update net-snmp to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
net-snmpnet-snmp5.0.9Affected

References

Refbugs.gentoo.org/show_bug.cgi?id=250429Reflists.opensuse.org/opensuse-security-announce/2009-06/msg00003.htmlReflists.opensuse.org/opensuse-security-announce/2009-07/msg00002.htmlReflists.opensuse.org/opensuse-security-announce/2010-02/msg00003.htmlRefnet-snmp.svn.sourceforge.net/viewvc/net-snmp/trunk/net-snmp/snmplib/snmpUDPDomain.c?r1=17325&r2=17367&pathrev=17367Refnet-snmp.svn.sourceforge.net/viewvc/net-snmp?view=rev&revision=17367Refsecunia.com/advisories/34499Refsecunia.com/advisories/35416Refsecunia.com/advisories/35685Refwww.openwall.com/lists/oss-security/2009/02/12/2

How CyberStrike helps

Frequently asked questions

What is CVE-2008-6123?

CVE-2008-6123 is a medium-severity vulnerability affecting net-snmp net-snmp. It was published on February 12, 2009 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

How severe is CVE-2008-6123?

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2008-6123?

Check the references section for vendor advisories and patches from net-snmp. Update net-snmp to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2008-6123?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2008-6123 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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