Bug 238949 (CVE-2007-2242)

Summary: CVE-2007-2242 IPv6 routing headers issue
Product: [Other] Security Response Reporter: Marcel Holtmann <holtmann>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: dzickus, nhorman, security-response-team, tgraf
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: RHSA-2007-0347 Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2007-05-16 18:57:40 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 2007-05-04 02:10:30 UTC
The IPv6 protocol allows remote attackers to cause a denial of service via
crafted IPv6 type 0 route headers (IPV6_RTHDR_TYPE_0) that create network
amplification between two routers.

http://www.secdev.org/conf/IPv6_RH_security-csw07.pdf

Comment 1 Don Howard 2007-05-07 17:13:46 UTC
A patch for this issue has been included in build 2.6.18-8.1.4.el5.

Comment 2 Mike Gahagan 2007-05-09 20:19:11 UTC
confirmed patch to disable RH0 ipv6 is in 2.6.18-8.1.4.el5.

Comment 6 Red Hat Bugzilla 2007-05-16 18:57:41 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-2007-0347.html