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Home » Hacking News » Sun 56300: Solaris 2.6 and 7 cachefs patch bug

Sun 56300: Solaris 2.6 and 7 cachefs patch bug

by Nikola Strahija on August 18th, 2003 On Solaris 2.6 and Solaris 7 systems, the inetd.conf(4) file may get erroneously overwritten during installation of certain cachefs patches. The resulting new "inetd.conf" file may re-enable services that were previously disabled (e.g. for security reasons).


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Sun(sm) Alert Notification
Sun Alert ID: 56300

Synopsis: Solaris 2.6 and 7 cachefs Patches May Overwrite the
inetd.conf(4) File

Category: Security
Product: Solaris
BugIDs: 4839365
Avoidance: Patch
State: Resolved
Date Released: 18-Aug-2003
Date Closed: 18-Aug-2003
Date Modified:

1. Impact

On Solaris 2.6 and Solaris 7 systems, the inetd.conf(4) file may
get erroneously overwritten during installation of certain cachefs
patches. The resulting new "inetd.conf" file may re-enable
services that were previously disabled (e.g. for security
reasons).

2. Contributing Factors

This issue can occur in the following releases:

SPARC Platform

Solaris 2.6 with patch 105693-13 and without patch 105693-14
Solaris 7 with patch 108800-02 and without patch 108800-03

x86 Platform

Solaris 2.6 with patch 105694-13 and without patch 105694-14
Solaris 7 with patch 108801-02 and without patch 108801-03

Note: Solaris 8 and 9 are not affected by this issue. The
cachefs patches are part of the current "Recommended & Security
Patches" cluster.

3. Symptoms

After installation of one of the above listed patches, some
services may be enabled which were previously disabled. The
symptoms experienced will depend upon which services had been
disabled.

Solution Summary Top

4. Relief/Workaround

To work around the described issue, make a backup copy of the
existing inetd.conf(4) file before installing the cachefs patches
and then restore the inetd.conf(4) file after patch installation.
For example:

# cp /etc/inet/inetd.conf /etc/inetd/inetd.conf.prepatch
# patchadd
# cp /etc/inet/inetd.conf.prepatch /etc/inetd/inetd.conf

If the Solaris 2.6 or 7 cachefs patches have already been
installed on the system, review the inetd.conf(4) file for entries
which may have been changed by the patch installation.

5. Resolution

This issue is addressed in the following releases:

SPARC Platform

Solaris 2.6 with patch 105693-14 or later
Solaris 7 with patch 108800-03 or later

x86 Platform

Solaris 2.6 with patch 105694-14 or later
Solaris 7 with patch 108801-03 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 such an agreement, the Sun.com Terms of Use. This
Sun Alert notification may only be used for the purposes
contemplated by these agreements.

Copyright 2000-2003 Sun Microsystems, Inc., 4150 Network Circle,
Santa Clara, CA 95054 U.S.A. All rights reserved.

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