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Category:   Application (Security)  >   Racoon Vendors:   KAME Project
(Red Hat Issues Fix for RHEL) KAME Racoon May Validate Invalid Certificates
SecurityTracker Alert ID:  1010814
SecurityTracker URL:  http://securitytracker.com/id/1010814
CVE Reference:   CVE-2004-0607   (Links to External Site)
Date:  Jul 30 2004
Impact:   Host/resource access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in KAME Racoon. The software may validate invalid certificates in certain cases.

Thomas Walpuski reported that there is a flaw in the verification of digital certificates in the eay_check_x509cert() function. The function sets a verify callback that will result in a successful verification on certificates that have expired, are self-signed, signed by an invalid certificate authority, used for an invalid purpose, or have a certificate chain that is too long, the report said.

Impact:   Invalid certificates may be successfully validated.
Solution:   Red Hat has released a fix.

Red Hat Enterprise Linux AS version 3:

SRPMS:
ftp://updates.redhat.com/enterprise/3AS/en/os/SRPMS/ipsec-tools-0.2.5-0.5.src.rpm
0700489b312339d14a6222e7eebf203e ipsec-tools-0.2.5-0.5.src.rpm

i386:
4c0dc4fbfc6f68e907c3a06c3fd625ed ipsec-tools-0.2.5-0.5.i386.rpm

ia64:
ca2cc5029aa0d5738c3cef27b1a8225d ipsec-tools-0.2.5-0.5.ia64.rpm

ppc:
46229bd51220c21b29814de8eb673948 ipsec-tools-0.2.5-0.5.ppc.rpm

ppc64:
8b2a1a54d6bbcdba02ffe2ea7cd23d9c ipsec-tools-0.2.5-0.5.ppc64.rpm

s390:
b842137119a55d5ee91ab383c9c9a566 ipsec-tools-0.2.5-0.5.s390.rpm

s390x:
6d3d63090574e34732bbb3d78cfaf08e ipsec-tools-0.2.5-0.5.s390x.rpm

x86_64:
2657c5d3085d3410f54987ccc58b06ee ipsec-tools-0.2.5-0.5.x86_64.rpm

Red Hat Desktop version 3:

SRPMS:
ftp://updates.redhat.com/enterprise/3desktop/en/os/SRPMS/ipsec-tools-0.2.5-0.5.src.rpm
0700489b312339d14a6222e7eebf203e ipsec-tools-0.2.5-0.5.src.rpm

i386:
4c0dc4fbfc6f68e907c3a06c3fd625ed ipsec-tools-0.2.5-0.5.i386.rpm

x86_64:
2657c5d3085d3410f54987ccc58b06ee ipsec-tools-0.2.5-0.5.x86_64.rpm

Red Hat Enterprise Linux ES version 3:

SRPMS:
ftp://updates.redhat.com/enterprise/3ES/en/os/SRPMS/ipsec-tools-0.2.5-0.5.src.rpm
0700489b312339d14a6222e7eebf203e ipsec-tools-0.2.5-0.5.src.rpm

i386:
4c0dc4fbfc6f68e907c3a06c3fd625ed ipsec-tools-0.2.5-0.5.i386.rpm

ia64:
ca2cc5029aa0d5738c3cef27b1a8225d ipsec-tools-0.2.5-0.5.ia64.rpm

x86_64:
2657c5d3085d3410f54987ccc58b06ee ipsec-tools-0.2.5-0.5.x86_64.rpm

Red Hat Enterprise Linux WS version 3:

SRPMS:
ftp://updates.redhat.com/enterprise/3WS/en/os/SRPMS/ipsec-tools-0.2.5-0.5.src.rpm
0700489b312339d14a6222e7eebf203e ipsec-tools-0.2.5-0.5.src.rpm

i386:
4c0dc4fbfc6f68e907c3a06c3fd625ed ipsec-tools-0.2.5-0.5.i386.rpm

ia64:
ca2cc5029aa0d5738c3cef27b1a8225d ipsec-tools-0.2.5-0.5.ia64.rpm

x86_64:
2657c5d3085d3410f54987ccc58b06ee ipsec-tools-0.2.5-0.5.x86_64.rpm

Vendor URL:  www.kame.net/racoon/ (Links to External Site)
Cause:   Authentication error, State error
Underlying OS:  Linux (Red Hat Enterprise)
Underlying OS Comments:  3

Message History:   This archive entry is a follow-up to the message listed below.
Jun 15 2004 KAME Racoon May Validate Invalid Certificates



 Source Message Contents

Subject:  [RHSA-2004:308-01] Updated ipsec-tools package


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

- ---------------------------------------------------------------------
                   Red Hat Security Advisory

Synopsis:          Updated ipsec-tools package
Advisory ID:       RHSA-2004:308-01
Issue date:        2004-07-29
Updated on:        2004-07-29
Product:           Red Hat Enterprise Linux
Keywords:          IKE racoon X.509
Obsoletes:         RHSA-2004:165
CVE Names:         CAN-2004-0607
- ---------------------------------------------------------------------

1. Summary:

An updated ipsec-tools package that fixes verification of X.509
certificates in racoon is now available.

2. Relevant releases/architectures:

Red Hat Enterprise Linux AS version 3 - i386, ia64, ppc, ppc64, s390, s390x, x86_64
Red Hat Desktop version 3 - i386, x86_64
Red Hat Enterprise Linux ES version 3 - i386, ia64, x86_64
Red Hat Enterprise Linux WS version 3 - i386, ia64, x86_64

3. Problem description:

IPSEC uses strong cryptography to provide both authentication and
encryption services.

When configured to use X.509 certificates to authenticate remote hosts,
ipsec-tools versions 0.3.3 and earlier will attempt to verify that host
certificate, but will not abort the key exchange if verification fails.
The Common Vulnerabilities and Exposures project (cve.mitre.org) has
assigned the name CAN-2004-0607 to this issue.

Users of ipsec-tools should upgrade to this updated package which contains
a backported security patch and is not vulnerable to this issue.

4. Solution:

Before applying this update, make sure that all previously-released
errata relevant to your system have been applied.  Use Red Hat
Network to download and update your packages.  To launch the Red Hat
Update Agent, use the following command:

    up2date

For information on how to install packages manually, refer to the
following Web page for the System Administration or Customization
guide specific to your system:

    http://www.redhat.com/docs/manuals/enterprise/


5. Bug IDs fixed (http://bugzilla.redhat.com/ for more info):

126568 - racoon authentication bug

6. RPMs required:

Red Hat Enterprise Linux AS version 3:

SRPMS:
ftp://updates.redhat.com/enterprise/3AS/en/os/SRPMS/ipsec-tools-0.2.5-0.5.src.rpm
0700489b312339d14a6222e7eebf203e  ipsec-tools-0.2.5-0.5.src.rpm

i386:
4c0dc4fbfc6f68e907c3a06c3fd625ed  ipsec-tools-0.2.5-0.5.i386.rpm

ia64:
ca2cc5029aa0d5738c3cef27b1a8225d  ipsec-tools-0.2.5-0.5.ia64.rpm

ppc:
46229bd51220c21b29814de8eb673948  ipsec-tools-0.2.5-0.5.ppc.rpm

ppc64:
8b2a1a54d6bbcdba02ffe2ea7cd23d9c  ipsec-tools-0.2.5-0.5.ppc64.rpm

s390:
b842137119a55d5ee91ab383c9c9a566  ipsec-tools-0.2.5-0.5.s390.rpm

s390x:
6d3d63090574e34732bbb3d78cfaf08e  ipsec-tools-0.2.5-0.5.s390x.rpm

x86_64:
2657c5d3085d3410f54987ccc58b06ee  ipsec-tools-0.2.5-0.5.x86_64.rpm

Red Hat Desktop version 3:

SRPMS:
ftp://updates.redhat.com/enterprise/3desktop/en/os/SRPMS/ipsec-tools-0.2.5-0.5.src.rpm
0700489b312339d14a6222e7eebf203e  ipsec-tools-0.2.5-0.5.src.rpm

i386:
4c0dc4fbfc6f68e907c3a06c3fd625ed  ipsec-tools-0.2.5-0.5.i386.rpm

x86_64:
2657c5d3085d3410f54987ccc58b06ee  ipsec-tools-0.2.5-0.5.x86_64.rpm

Red Hat Enterprise Linux ES version 3:

SRPMS:
ftp://updates.redhat.com/enterprise/3ES/en/os/SRPMS/ipsec-tools-0.2.5-0.5.src.rpm
0700489b312339d14a6222e7eebf203e  ipsec-tools-0.2.5-0.5.src.rpm

i386:
4c0dc4fbfc6f68e907c3a06c3fd625ed  ipsec-tools-0.2.5-0.5.i386.rpm

ia64:
ca2cc5029aa0d5738c3cef27b1a8225d  ipsec-tools-0.2.5-0.5.ia64.rpm

x86_64:
2657c5d3085d3410f54987ccc58b06ee  ipsec-tools-0.2.5-0.5.x86_64.rpm

Red Hat Enterprise Linux WS version 3:

SRPMS:
ftp://updates.redhat.com/enterprise/3WS/en/os/SRPMS/ipsec-tools-0.2.5-0.5.src.rpm
0700489b312339d14a6222e7eebf203e  ipsec-tools-0.2.5-0.5.src.rpm

i386:
4c0dc4fbfc6f68e907c3a06c3fd625ed  ipsec-tools-0.2.5-0.5.i386.rpm

ia64:
ca2cc5029aa0d5738c3cef27b1a8225d  ipsec-tools-0.2.5-0.5.ia64.rpm

x86_64:
2657c5d3085d3410f54987ccc58b06ee  ipsec-tools-0.2.5-0.5.x86_64.rpm

These packages are GPG signed by Red Hat for security.  Our key and 
details on how to verify the signature are available from
https://www.redhat.com/security/team/key.html#package

7. References:

http://marc.theaimsgroup.com/?l=bugtraq&m=108726102304507
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0607

8. Contact:

The Red Hat security contact is <secalert@redhat.com>.  More contact
details at https://www.redhat.com/security/team/contact.html

Copyright 2004 Red Hat, Inc.
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