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AUSCERT External Security Bulletin Redistribution
ESB-2001.448 -- Sun Security Bulletin #00211
24 October 2001
AusCERT Security Bulletin Summary
Vendor: Sun Microsystems
Operating System: Solaris/SunOS
Impact: Denial of Service
Access Required: Remote
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Sun Microsystems, Inc. Security Bulletin
Bulletin Number: #00211
Date: October 23, 2001
Cross-Ref: CERT Vulnerability Note VU#970472
The information contained in this Security Bulletin is provided "AS IS."
Sun makes no warranties of any kind whatsoever with respect to the information
contained in this Security Bulletin. ALL EXPRESS OR IMPLIED CONDITIONS,
REPRESENTATIONS AND WARRANTIES, INCLUDING ANY WARRANTY OF NON-INFRINGEMENT OR
IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, ARE
HEREBY DISCLAIMED AND EXCLUDED TO THE EXTENT ALLOWED BY APPLICABLE LAW.
IN NO EVENT WILL SUN MICROSYSTEMS, INC. BE LIABLE FOR ANY LOST REVENUE,
PROFIT OR DATA, OR FOR DIRECT, SPECIAL, INDIRECT, CONSEQUENTIAL, INCIDENTAL
OR PUNITIVE DAMAGES HOWEVER CAUSED AND REGARDLESS OF ANY THEORY OF LIABILITY
ARISING OUT OF THE USE OF OR INABILITY TO USE THE INFORMATION CONTAINED IN
THIS SECURITY BULLETIN, EVEN IF SUN MICROSYSTEMS, INC. HAS BEEN ADVISED OF
THE POSSIBILITY OF SUCH DAMAGES.
If any of the above provisions are held to be in violation of applicable law,
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1. Bulletins Topics
Sun announces the release of patches for Solaris(tm) 8, 7, and
2.6 (SunOS(tm) 5.8, 5.7, and 5.6) which relate to a vulnerability
in xntpd(1M), the Network Time Protocol daemon.
Sun recommends that you install the patches listed in section 4
on systems running SunOS 5.8, 5.7, and 5.6 which use xntpd.
2. Who is Affected
Vulnerable: SunOS 5.8, 5.8_x86, 5.7, 5.7_x86, 5.6,
The xntpd(1M) daemon was not shipped by Sun for earlier releases
than Solaris 2.6.
3. Understanding the Vulnerability
The xntpd is a daemon which sets and maintains a UNIX system
time-of-day in agreement with Internet standard time servers.
xntpd is a complete implementation of the Network Time Protocol
(NTP) version 3 standard, as defined by RFC 1305.
CERT Vulnerability Note VU#970472 is available from:
4. List of Patches
The following patches are available in relation to the above issue.
OS Version Patch ID
SunOS 5.8 109667-04
SunOS 5.8_x86 109668-04
SunOS 5.7 109409-04
SunOS 5.7_x86 109410-03
SunOS 5.6 107298-03
SunOS 5.6_x86 107299-03
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Copyright 2001 Sun Microsystems, Inc. All rights reserved. Sun,
Sun Microsystems, Solaris and SunOS are trademarks or registered trademarks
of Sun Microsystems, Inc. in the United States and other countries. This
Security Bulletin may be reproduced and distributed, provided that this
Security Bulletin is not modified in any way and is attributed to
Sun Microsystems, Inc. and provided that such reproduction and distribution
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