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AUSCERT External Security Bulletin Redistribution
ESB-2001.452 -- Sun Security Bulletin #00210
25 October 2001
AusCERT Security Bulletin Summary
Vendor: Sun Microsystems
Operating System: SunOS 5.8 prior to Maintenance Update 4
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
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,
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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,
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OR PUNITIVE DAMAGES HOWEVER CAUSED AND REGARDLESS OF ANY THEORY OF LIABILITY
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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, 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 (email@example.com) of ITSX BV
Amsterdam, The Netherlands (http://www.itsx.com).
CERT Vulnerability Note VU#36866 is available from:
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 (firstname.lastname@example.org) of ITSX BV
Amsterdam, The Netherlands (http://www.itsx.com), for bringing this issue
to our attention.
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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
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