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Sun Microsystems, Inc. Security Bulletin
Bulletin Number: #00176
Date: September 30, 1998
Cross-Ref:
Title: ftp
________________________________________________________________________________
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,
void, or unenforceable in any jurisdiction, then such provisions are waived
to the extent necessary for this disclaimer to be otherwise enforceable in
such jurisdiction.
________________________________________________________________________________
1. Bulletins Topics
Sun announces the release of patches for Solaris(tm) 2.6, 2.5.1, 2.5,
2.3 (SunOS(tm) 5.6, 5.5.1, 5.5, 5.3), SunOS 4.1.4 and 4.1.3_U1 which
relate to a vulnerability in the ftp program.
Sun estimates that the release of patches for Solaris 2.4 (SunOS 5.4)
that relate to the same vulnerability will be available within 9 weeks
of the date of this bulletin.
Sun recommends that you install the patches listed in section 4
immediately on systems running SunOS 5.6, 5.5.1, 5.5, 5.3, 4.1.4 and
4.1.3_U1 on systems that use ftp.
2. Affected Supported Versions
SunOS versions 5.6, 5.6_x86, 5.5.1, 5.5.1_x86, 5.5, 5.5_x86,
5.4, 5.4_x86, 5.3, 4.1.4 and 4.1.3_U1
3. Understanding the Vulnerability
The ftp command is the user interface to the Internet standard File
Transfer Protocol (FTP). ftp transfers files to and from a remote
network site. A vulnerability has been discovered in ftp client
software whereby a malicious ftp server can trick the ftp client into
executing arbitrary commands.
4. List of Patches
The following patches are available in relation to the above problem.
SunOS Patch ID
_____ _________
SunOS 5.6 106522-01
SunOS 5.6_x86 106523-01
SunOS 5.5.1 103603-09
SunOS 5.5.1_x86 103604-09
SunOS 5.5 103577-09
SunOS 5.5_x86 103578-09
SunOS 5.4 101945-60 ( available in 9 weeks )
SunOS 5.4_x86 101946-53 ( available in 9 weeks )
SunOS 5.3 101653-02
SunOS 4.1.4 104477-04
SunOS 4.1.3_U1 104454-04
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APPENDICES
A. Patches listed in this bulletin are available to all Sun customers via
World Wide Web at:
<URL:http://sunsolve.sun.com/sunsolve/pubpatches/patches.html>
B. Checksums for the patches listed in this bulletin are available via
World Wide Web at:
<URL:http://sunsolve.sun.com/sunsolve/pubpatches/patches.html>
C. Sun security bulletins are available via World Wide Web at:
<URL:http://sunsolve.sun.com/pub-cgi/secbul.pl>
D. Sun Security Coordination Team's PGP key is available via World Wide Web
at:
<URL:http://sunsolve.sun.com/sunsolve/secbulletins/SunSCkey.txt>
E. To report or inquire about a security problem with Sun software, contact
one or more of the following:
- Your local Sun answer centers
- Your representative computer security response team, such as CERT
- Sun Security Coordination Team. Send email to:
security-alertat_private
F. To receive information or subscribe to our CWS (Customer Warning System)
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________________________________________________________________________________
Copyright 1998 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
is performed for non-commercial purposes.
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