Linux Kernel Netfilter SNMP NAT Memory Bug Lets Remote Users Deny Service
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SecurityTracker Alert ID: 1016153
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SecurityTracker URL: http://securitytracker.com/id?1016153
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CVE Reference: CVE-2006-2444
(Links to External Site)
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Date: May 24 2006
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Impact: Denial of service via network
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Fix Available: Yes
Vendor Confirmed: Yes
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Version(s): 2.6.x
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Description: A vulnerability was reported in Linux Kernel in the Netfilter code. A remote user can cause denial of service conditions.
If the Netfilter ip_nat_snmp_basic module is loaded and traffic on port 161 or 162 is NATed, then a remote user can send specially
crafted data to trigger a memory error in the snmp_trap_decode() function. Denial of service conditions may occur.
The vulnerability
was discovered using the trap-app and trap-enc groups of the PROTOS c06-snmpv1 testsuite.
The original notice is available at:
http://www.kernel.org/pub/linux/kerne
l/v2.6/ChangeLog-2.6.16.18
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Impact: A remote user can cause denial of service conditions.
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Solution: The vendor has issued a fixed kernel version (2.6.16.18), available at:
http://www.kernel.org/
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Vendor URL: www.kernel.org/ (Links to External Site)
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Cause: Exception handling error
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Message History:
This archive entry has one or more follow-up message(s) listed below.
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Source Message Contents
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Date: Tue, 23 May 2006 22:30:16 -0400
Subject: Linux kernel vulnerability
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http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.16.18
> [PATCH] NETFILTER: SNMP NAT: fix memory corruption (CVE-2006-2444)
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