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Bug 192632

Summary:	CVE-2006-2444 SNMP NAT netfilter memory corruption
Product:	Red Hat Enterprise Linux 4	Reporter:	Marcel Holtmann <holtmann>
Component:	kernel	Assignee:	Thomas Graf <tgraf>
Status:	CLOSED ERRATA	QA Contact:	Brian Brock <bbrock>
Severity:	medium	Docs Contact:
Priority:	medium
Version:	4.0	CC:	davem, jbaron, rkhan, security-response-team
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:	impact=moderate,source=vendorsec,reported=20060521,public=20060520
Fixed In Version:	RHSA-2006-0617	Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2006-08-22 18:48:35 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description Marcel Holtmann 2006-05-22 08:19:15 UTC

The SNMP NAT helper netfilter can cause a memory corruption. The corruption can
be triggered remotely when the ip_nat_snmp_basic module is loaded and traffic on
port 161 or 162 is NATed.

Proposed upstream fix can be found here:

https://lists.netfilter.org/pipermail/netfilter-devel/2006-May/024422.html

Comment 1 Ernie Petrides 2006-06-15 21:57:52 UTC

Downgrading impact to moderate due to "unlikely configuration".

Comment 4 Jason Baron 2006-08-07 18:52:51 UTC

committed in stream E5 build 42.0.1

Comment 7 Red Hat Bugzilla 2006-08-22 18:48:35 UTC

An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on the solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.

http://rhn.redhat.com/errata/RHSA-2006-0617.html

Comment 8 Jason Baron 2006-08-30 17:52:50 UTC

committed in stream U5 build 42.4. A test kernel with this patch is available
from http://people.redhat.com/~jbaron/rhel4/