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AUSCERT External Security Bulletin Redistribution
ESB-2003.0872 -- Sun Alert Notification
Security Issue Involving the tcsh(1) ls-F builtin on Solaris 8
24 December 2003
AusCERT Security Bulletin Summary
Publisher: Sun Microsystems
Operating System: Solaris 8
Impact: Increased Privileges
Create Arbitrary Files
Delete Arbitrary Files
Access Required: Existing Account
Comment: Original bulletin available at:
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DOCUMENT ID: 57455
SYNOPSIS: Security Issue Involving the tcsh(1) ls-F builtin on Solaris 8
Sun(sm) Alert Notification
* Sun Alert ID: 57455
* Synopsis: Security Issue Involving the tcsh(1) ls-F builtin on
* Category: Security
* Product: Solaris
* BugIDs: 4599390
* Avoidance: Patch
* State: Resolved
* Date Released: 22-Dec-2003
* Date Closed: 22-Dec-2003
* Date Modified:
A local unprivileged user may be able to create or remove files or
gain privileges of another user, possibly root, if the tcsh(1) builtin
command ls-F is used. The files created or removed and privileges
possibly gained would depend on the privileges and user-ID of the
process that executed the tcsh(1) ls-F builtin command.
2. Contributing Factors
This issue can occur in the following releases:
* Solaris 8 without patch 110943-02
* Solaris 8 without patch 110944-02
Note: Solaris 7 and Solaris 9 are not affected by this issue.
There are no reliable symptoms that would show the described issue has
been exploited to gain unauthorized elevated privileges to a host.
To prevent this issue from occurring, do not utilize the tcsh(1) ls-F
builtin directly and avoid any tcsh(1) functionality which uses the
ls-F builtin such as filename completion (done by typing "^D").
This issue is addressed in the following releases:
* Solaris 8 with patch 110943-02 or later
* Solaris 8 with patch 110944-02 or later
This Sun Alert notification is being provided to you on an "AS IS"
basis. This Sun Alert notification may contain information provided by
third parties. The issues described in this Sun Alert notification may
or may not impact your system(s). Sun makes no representations,
warranties, or guarantees as to the information contained herein. ANY
AND ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION
WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR
NON-INFRINGEMENT, ARE HEREBY DISCLAIMED. BY ACCESSING THIS DOCUMENT
YOU ACKNOWLEDGE THAT SUN SHALL IN NO EVENT BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, PUNITIVE, OR CONSEQUENTIAL DAMAGES THAT ARISE
OUT OF YOUR USE OR FAILURE TO USE THE INFORMATION CONTAINED HEREIN.
This Sun Alert notification contains Sun proprietary and confidential
information. It is being provided to you pursuant to the provisions of
your agreement to purchase services from Sun, or, if you do not have
notification may only be used for the purposes contemplated by these
Copyright 2000-2003 Sun Microsystems, Inc., 4150 Network Circle, Santa
Clara, CA 95054 U.S.A. All rights reserved.
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