KAME Racoon IDE Daemon X.509 Improper Certificate Verification Vulnerability

BID:10546

Info

KAME Racoon IDE Daemon X.509 Improper Certificate Verification Vulnerability

Bugtraq ID: 10546
Class: Access Validation Error
CVE: CVE-2004-0607
Remote: Yes
Local: No
Published: Jun 14 2004 12:00AM
Updated: Feb 16 2007 07:37PM
Credit: This issue was reported by Thomas Walpuski <[email protected]>.
Vulnerable: SGI Advanced Linux Environment 3.0
SCO Unixware 7.1.4
Redhat Enterprise Linux WS 3
Redhat Enterprise Linux ES 3
Redhat Enterprise Linux AS 3
Redhat Desktop 3.0
KAME Racoon 20040503
KAME Racoon 20040407b
KAME Racoon 20040405
KAME Racoon 20030711
+ FreeBSD FreeBSD 4.9
KAME Racoon
+ FreeBSD FreeBSD 4.9
+ NetBSD NetBSD 1.6.1
+ NetBSD NetBSD 1.6
IPsec-Tools IPsec-Tools 0.3.2
IPsec-Tools IPsec-Tools 0.3.1
IPsec-Tools IPsec-Tools 0.3 rc5
IPsec-Tools IPsec-Tools 0.3 rc4
IPsec-Tools IPsec-Tools 0.3 rc3
IPsec-Tools IPsec-Tools 0.3 rc2
IPsec-Tools IPsec-Tools 0.3 rc1
IPsec-Tools IPsec-Tools 0.3
Apple Mac OS X Server 10.3.5
Apple Mac OS X Server 10.3.4
Apple Mac OS X Server 10.2.8
Apple Mac OS X 10.3.5
Apple Mac OS X 10.3.4
Apple Mac OS X 10.2.8
Not Vulnerable: IPsec-Tools IPsec-Tools 0.3.3
+ Ubuntu Ubuntu Linux 4.1 ppc
 + Ubuntu Ubuntu Linux 4.1 ia64
 + Ubuntu Ubuntu Linux 4.1 ia32

Discussion

KAME Racoon IDE Daemon X.509 Improper Certificate Verification Vulnerability

Racoon improperly validates X.509 certificates when negotiating IPSec connections.

When checking certificate validity, Racoon ignores many errors from OpenSSL and grants access to invalid certificates.

When ignoring these errors, Racoon allows improper certificates to be used when authenticating connections.

This vulnerability could allow attackers to forge certificates and potentially gain access to IPSec VPNs. This would also effectively make all certificates permanent.

It is unknown which versions of Racoon are vulnerable at this time.

Exploit / POC

KAME Racoon IDE Daemon X.509 Improper Certificate Verification Vulnerability

No exploit is required.

Solution / Fix

KAME Racoon IDE Daemon X.509 Improper Certificate Verification Vulnerability

Solution:
Reportedly, this issue has been fixed in the Linux port of Racoon distributed with IPsec-tools.

Please see the referenced advisories for more information.


Apple Mac OS X 10.2.8

Apple Mac OS X Server 10.2.8

Apple Mac OS X Server 10.3.4

Apple Mac OS X 10.3.4

Apple Mac OS X Server 10.3.5

Apple Mac OS X 10.3.5

SCO Unixware 7.1.4

References

KAME Racoon IDE Daemon X.509 Improper Certificate Verification Vulnerability

References:

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