-----BEGIN PGP SIGNED MESSAGE----- ________________________________________________________________________________ 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 _______________________________________________________________________________ APPENDICES A. Patches listed in this bulletin are available to all Sun customers via World Wide Web at: B. Checksums for the patches listed in this bulletin are available via World Wide Web at: C. Sun security bulletins are available via World Wide Web at: D. Sun Security Coordination Team's PGP key is available via World Wide Web at: 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. 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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. -----BEGIN PGP SIGNATURE----- Version: 2.6.2 iQCVAwUBNhJlw7dzzzOFBFjJAQGt5wP/UbBnz0KsmEt0F3+7AuzkMLnppW/eMDm8 S6PeYSzfESCfpGm5AXwOxJ9WEFM88SsH6G5VkF+jWtSSjNitnW/TQ0BCdn/v324J CJxMeQc9oI16Sel7RZS0VuG01sMKimI9Mbu3WiAJ7U89yrbyBIOpju54YJyv3XNY JopbtjRjyLk= =VNto -----END PGP SIGNATURE-----