Protect yourself against future threats.
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AUSCERT External Security Bulletin Redistribution
ESB-2001.452 -- Sun Security Bulletin #00210
ufsrestore
25 October 2001
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AusCERT Security Bulletin Summary
---------------------------------
Product: ufsrestore
Vendor: Sun Microsystems
Operating System: SunOS 5.8 prior to Maintenance Update 4
SunOS 5.8_x86
SunOS 5.7
SunOS 5.7_x86
SunOS 5.6
SunOS 5.6_x86
SunOS 5.5.1
SunOS 5.5.1_x86
SunOS 5.5
SunOS 5.5_x86
Platform: Sparc
i386
Impact: Root Compromise
Access Required: Existing Account
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________________________________________________________________________________
Sun Microsystems, Inc. Security Bulletin
Bulletin Number: #00210
Date: October 23, 2001
Cross-Ref: CERT Vulnerability Note VU#36866
Title: ufsrestore
________________________________________________________________________________
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) 8, 7, 2.6,
2.5.1, and 2.5 (SunOS(tm) 5.8, 5.7, 5.6, 5.5.1, and 5.5) which
relate to a vulnerability in ufsrestore(1M).
Sun recommends that you install the patches listed in section 4
immediately on systems running SunOS 5.8, 5.7, 5.6, 5.5.1, and
5.5 which use ufsrestore.
2. Who is Affected
Vulnerable: SunOS 5.8, 5.8_x86, 5.7, 5.7_x86, 5.6,
5.6_x86, 5.5.1, 5.5.1_x86, 5.5, 5.5_x86
Not vulnerable: Solaris 8 04/01*, Solaris 8 Maintenance
Update 4* and later update releases
* To determine if one is running Solaris 8 04/01 or Solaris 8 Maintenance
Update 4 or later, check the contents of the /etc/release file.
3. Understanding the Vulnerability
The ufsrestore utility restores files from backup media
created with the ufsdump command. A vulnerability has been
found in ufsrestore which, if exploited, could allow an
unprivileged local user to gain unauthorized root access.
This issue was discovered by Job de Haas (job@itsx.com) of ITSX BV
Amsterdam, The Netherlands (http://www.itsx.com).
CERT Vulnerability Note VU#36866 is available from:
http://www.kb.cert.org/vuls/id/36866
4. List of Patches
The following patches are available in relation to the above problem.
OS Version Patch ID
__________ _________
SunOS 5.8 109091-04 110387-02
SunOS 5.8_x86 109092-04 110402-02
SunOS 5.7 106793-07
SunOS 5.7_x86 106794-07
SunOS 5.6 105722-06
SunOS 5.6_x86 105723-06
SunOS 5.5.1 103640-35
SunOS 5.5.1_x86 103641-35
SunOS 5.5 103261-08
SunOS 5.5_x86 103262-08
_______________________________________________________________________________
Sun acknowledges with thanks, Job de Haas (job@itsx.com) of ITSX BV
Amsterdam, The Netherlands (http://www.itsx.com), for bringing this issue
to our attention.
_______________________________________________________________________________
APPENDICES
A. Patches listed in this bulletin are available to all Sun customers at:
http://sunsolve.sun.com/securitypatch
B. Checksums for the patches listed in this bulletin are available at:
ftp://sunsolve.sun.com/pub/patches/CHECKSUMS
C. Sun security bulletins are available at:
http://sunsolve.sun.com/security
D. Sun Security Coordination Team's PGP key is available at:
http://sunsolve.sun.com/pgpkey.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-alert@sun.com
F. To receive information or subscribe to our CWS (Customer Warning System)
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Note that your-email-address should be substituted
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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
is performed for non-commercial purposes.
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