November 2005

ID: 01052
Ref: 987?2005
Date: 29 November 2005:10:27:51
Version: 1

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Title: SCO Security Advisory: SCOSA-2005.52 - OpenServer 6.0.0 : KAME Racoon Daemon Denial of Service Vulnerability
Abstract: Racoon is an IKEv1 keying daemon, a common IPSec Utility. Due to a bug in the way the Racoon parsed incoming ISAKMP packets, an attacker could possibly crash the racoon daemon by sending a specially crafted ISAKMP packet.
Vendors affected: SCO
Operating systems affected: SCO
Applications affected: SCO

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Title
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SCO Security Advisory: SCOSA-2005.52 - OpenServer 6.0.0 : KAME Racoon Daemon
Denial of Service Vulnerability

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Detail
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Racoon is an IKEv1 keying daemon, a common IPSec Utility. Due
to a bug in the way the Racoon parsed incoming ISAKMP packets,
an attacker could possibly crash the racoon daemon by sending a
specially crafted ISAKMP packet.


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______________________________________________________________________________

SCO Security Advisory

Subject: OpenServer 6.0.0 : KAME Racoon Daemon Denial of Service Vulnerability
Advisory number: SCOSA-2005.52
Issue date: 2005 November 28
Cross reference: sr895064 erg712954 fz533033
CVE-2005-0398

______________________________________________________________________________


1. Problem Description

Racoon is an IKEv1 keying daemon, a common IPSec Utility. Due
to a bug in the way the Racoon parsed incoming ISAKMP packets,
an attacker could possibly crash the racoon daemon by sending a
specially crafted ISAKMP packet.

The Common Vulnerabilities and Exposures project (cve.mitre.org)
has assigned the name CVE-2005-0398 to this issue.


2. Vulnerable Supported Versions

System Binaries
----------------------------------------------------------------------
OpenServer 6.0.0 /usr/sbin/racoon


3. Solution

The proper solution is to install the latest packages.


4. OpenServer 6.0.0

4.1 Location of Fixed Binaries

ftp://ftp.sco.com/pub/updates/OpenServer/SCOSA-2005.52


4.2 Verification

MD5 (VOL.000.000) = 6233d4a9b0aa683814f9d8041cf184fb

md5 is available for download from
ftp://ftp.sco.com/pub/security/tools


4.3 Installing Fixed Binaries

Upgrade the affected binaries with the following sequence:

1) Download the VOL* files to a directory.

2) Run the custom command, specify an install
from media images, and specify the directory as
the location of the images.


5. References

Specific references for this advisory:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-0398

SCO security resources:
http://www.sco.com/support/security/index.html

SCO security advisories via email
http://www.sco.com/support/forums/security.html

This security fix closes SCO incidents sr895064 erg712954
fz533033.


6. Disclaimer

SCO is not responsible for the misuse of any of the information
we provide on this website and/or through our security
advisories. Our advisories are a service to our customers
intended to promote secure installation and use of SCO
products.


7. Acknowledgments

SCO would like to thank Sebastian Krahmer for reporting this
vulnerability.

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