Input validation error in Net-snmp - CVE-2008-6123
Published: February 12, 2009 / Updated: July 28, 2020
Vulnerability identifier: #VU32864
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2008-6123
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: net-snmp.sourceforge.net
Affected software:
Net-snmp
Net-snmp
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.
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."
How to mitigate CVE-2008-6123
Install update from vendor's website.
Sources
- 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