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AUSCERT External Security Bulletin Redistribution
ESB-2004.0063 -- Sun(sm) Alert Notification - Sun Alert ID: 57472
Security Vulnerability in ASN.1 May Affect Solaris Internet Key Exchange
(IKE)
22 January 2004
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AusCERT Security Bulletin Summary
---------------------------------
Product: in.iked(1M)
Publisher: Sun Microsystems
Operating System: Solaris 9
Platform: SPARC
IA-32
Impact: Root Compromise
Denial of Service
Access Required: Remote
CVE Names: CAN-2003-0543, CAN-2003-0544, CAN-2003-0545
Ref: AL-2003.18
ESB-2003.0698
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DOCUMENT ID: 57472
SYNOPSIS: Security Vulnerability in ASN.1 May Affect Solaris Internet
Key Exchange (IKE)
DETAIL DESCRIPTION:
Sun(sm) Alert Notification
* Sun Alert ID: 57472
* Synopsis: Security Vulnerability in ASN.1 May Affect Solaris
Internet Key Exchange (IKE)
* Category: Security
* Product: Solaris
* BugIDs: 4930399
* Avoidance: Patch, T-Patch
* State: Committed
* Date Released: 13-Jan-2004
* Date Closed:
* Date Modified: 20-Jan-2004
1. Impact
The Internet Key Exchange (IKE) implementation in Solaris 9 uses ASN.1
code from SSH Inc. Under certain rare conditions, it may be possible
for a local or remote unprivileged user to kill the in.iked(1M)
daemon, resulting in a Denial of Service (DoS), or gain unauthorized
root access due to a buffer overflow in the in.iked(1M) daemon.
The issue with ASN.1 is described in CERT Vulnerability VU#104280 (see
[1]http://www.kb.cert.org/vuls/id/104280) which is referenced in CERT
Advisory CA-2003-26 (see
[2]http://www.cert.org/advisories/CA-2003-26.html) and NISCC
Vulnerability Advisory 006489/TLS (see
[3]http://www.uniras.gov.uk/vuls/2003/006489/tls.htm).
2. Contributing Factors
This issue can occur in the following releases:
SPARC Platform
* Solaris 9
x86 Platform
* Solaris 9 without patch 114435-03
Note: Solaris 7 and 8 are not affected by this issue.
3. Symptoms
There are no predictable symptoms that would indicate the described
issues have been exploited.
SOLUTION SUMMARY:
4. Relief/Workaround
A preliminary T-patch is available for the following release from
[4]http://sunsolve.sun.com/tpatches:
SPARC
* Solaris 9 T-patch T113451-05
This document refers to one or more preliminary temporary patches
(T-Patches) which are designed to address the concerns identified
herein. Sun has limited experience with these patches due to their
preliminary nature. As such, you should only install the patches on
systems meeting the configurations described above. Sun may release
full patches at a later date, however, Sun is under no obligation
whatsoever to create, release, or distribute any such patch.
5. Resolution
This issue is addressed in the following release:
x86 Platform
* Solaris 9 with patch 114435-03 or later
A final resolution for Solaris 9 on the SPARC platform is pending
completion.
Change History
20-Jan-2004:
* Update Contributing Factors and Resolution sections for release of
x86 Resolution patch
This Sun Alert notification is being provided to you on an "AS IS"
basis. This Sun Alert notification may contain information provided by
third parties. The issues described in this Sun Alert notification may
or may not impact your system(s). Sun makes no representations,
warranties, or guarantees as to the information contained herein. ANY
AND ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION
WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR
NON-INFRINGEMENT, ARE HEREBY DISCLAIMED. BY ACCESSING THIS DOCUMENT
YOU ACKNOWLEDGE THAT SUN SHALL IN NO EVENT BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, PUNITIVE, OR CONSEQUENTIAL DAMAGES THAT ARISE
OUT OF YOUR USE OR FAILURE TO USE THE INFORMATION CONTAINED HEREIN.
This Sun Alert notification contains Sun proprietary and confidential
information. It is being provided to you pursuant to the provisions of
your agreement to purchase services from Sun, or, if you do not have
such an agreement, the Sun.com Terms of Use. This Sun Alert
notification may only be used for the purposes contemplated by these
agreements.
Copyright 2000-2004 Sun Microsystems, Inc., 4150 Network Circle, Santa
Clara, CA 95054 U.S.A. All rights reserved.
References
1. http://www.kb.cert.org/vuls/id/104280
2. http://www.cert.org/advisories/CA-2003-26.html
3. http://www.uniras.gov.uk/vuls/2003/006489/tls.htm
4. http://sunsolve.sun.com/tpatches
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