Date: 21 August 1997
Click here for printable version
Click here for PGP verifiable version
-----BEGIN PGP SIGNED MESSAGE-----
===========================================================================
AUSCERT External Security Bulletin Redistribution
ESB-97.108 -- Sun Security Bulletin #00151
Vulnerability in automounter
21 August 1997
===========================================================================
Sun Microsystems, Inc. has released the following advisory concerning a
vulnerability in the automounter program. This vulnerability may allow
unprivileged users to change the mount options of a file system.
The following security bulletin is provided as a service to AUSCERT's
members. As AUSCERT did not write this document, AUSCERT has had no
control over its content. As such, the decision to use any or all of this
information is the responsibility of each user or organisation, and should
be done so in accordance with site policies and procedures.
Contact information for Sun is included in the Security Bulletin below.
If you have any questions or need further information, please contact them
directly.
Previous advisories and external security bulletins can be retrieved from:
http://www.auscert.org.au/information/advisories.html
If you believe that your system has been compromised, contact AUSCERT or your
representative in FIRST (Forum of Incident Response and Security Teams).
Internet Email: auscert@auscert.org.au
Facsimile: (07) 3365 4477
Telephone: (07) 3365 4417 (International: +61 7 3365 4417)
AUSCERT personnel answer during Queensland business hours
which are GMT+10:00 (AEST).
On call after hours for emergencies.
- --------------------------BEGIN INCLUDED TEXT--------------------
- -----BEGIN PGP SIGNED MESSAGE-----
________________________________________________________________________________
Sun Microsystems, Inc. Security Bulletin
Bulletin Number: #00151
Date: August 20, 1997
Cross-Ref:
Title: Vulnerability in automounter
________________________________________________________________________________
Permission is granted for the redistribution of this Bulletin, so long as
the Bulletin is not edited and is attributed to Sun Microsystems. Portions
may also be excerpted for re-use in other security advisories so long as
proper attribution is included.
Any other use of this information without the express written consent of
Sun Microsystems is prohibited. Sun Microsystems expressly disclaims all
liability for any misuse of this information by any third party.
________________________________________________________________________________
1. Bulletins Topics
Sun announces the release of patches for Solaris 2.5.1, 2.5, 2.4, and 2.3
(SunOS 5.5.1, 5.5, 5.4, and 5.3), which relate to a vulnerability in the
automounter program.
Sun strongly recommends that you install the patches listed in section 4
immediately on systems running SunOS 5.5.1, 5.5, 5.4, and 5.3.
2. Who is Affected
Vulnerable: SunOS versions 5.5.1, 5.5.1_x86, 5.5, 5.5_x86,
5.4, 5.4_x86, and 5.3.
Not vulnerable: All other supported versions of SunOS
The vulnerability is fixed in Solaris 2.6.
3. Understanding the Vulnerability
The automounter daemon automountd is an RPC server that answers file
system mount and unmount requests from the autofs filesystem. Unprivileged
users may exploit this vulnerability to send RPCs to automountd to change
mount options of a file system.
4. List of Patches
The vulnerability in automounter is fixed by the following patches:
OS version Patch ID
__________ ________
SunOS 5.5.1 104654-03
SunOS 5.5.1_x86 104655-01
SunOS 5.5 103187-29
SunOS 5.5_x86 103188-25
SunOS 5.4 101945-50
SunOS 5.4_x86 101946-44
SunOS 5.3 101318-87
5. Checksum Table
The checksum table below shows the BSD checksums (SunOS 5.x: /usr/ucb/sum),
SVR4 checksums (SunOS 5.x: /usr/bin/sum), and the MD5 digital signatures
for the above-mentioned patches that are available from:
<URL:ftp://sunsolve1.sun.com/pub/patches/patches.html>
These checksums may not apply if you obtain patches from your answer
centers.
File Name BSD SVR4 MD5
_______________ _________ __________ ________________________________
104654-03.tar.Z 24600 156 2056 312 B3EE8F82F04E5417ADA98FCB05E502AF
104655-01.tar.Z 44811 134 58967 267 95C4806913F7BB7184E2CE27B8FF407E
103187-29.tar.Z 47938 3240 14585 6479 D681C0BB1C4267418AEB20F56DDE7FD3
103188-25.tar.Z 07195 2880 23176 5760 6707EAB1BD10B845F535E131836F8DC5
101945-50.tar.Z 04413 10909 4073 21817 198EAAAC3D92898622351C43F87E884F
101946-44.tar.Z 10072 5540 36413 11080 92D61AD71C77F56CA1DF6038D644B4F9
101318-87.tar.Z 45783 11292 55998 22584 395AD525FD411904A3BD03E7E02EED10
_______________________________________________________________________________
APPENDICES
A. Patches listed in this bulletin are available to all Sun customers via
World Wide Web at:
<URL:ftp://sunsolve1.sun.com/pub/patches/patches.html>
Customers with Sun support contracts can also obtain patches from local
Sun answer centers and SunSITEs worldwide.
B. Sun security bulletins are available via World Wide Web at:
<URL:http://sunsolve1.sun.com/sunsolve/secbulletins>
C. Sun Security Coordination Team's PGP key is available via World Wide Web
at:
<URL:http://sunsolve1.sun.com/sunsolve/secbulletins/SunSCkey.txt>
D. 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
E. To receive information or subscribe to our CWS (Customer Warning System)
mailing list, send email to:
security-alert@sun.com
with a subject line (not body) containing one of the following commands:
Command Information Returned/Action Taken
_______ _________________________________
help An explanation of how to get information
key Sun Security Coordination Team's PGP key
list A list of current security topics
query [topic] The email is treated as an inquiry and is forwarded to
the Security Coordination Team
report [topic] The email is treated as a security report and is
forwarded to the Security Coordinaton Team. Please
encrypt sensitive mail using Sun Security Coordination
Team's PGP key
send topic A short status summary or bulletin. For example, to
retrieve a Security Bulletin #00138, supply the
following in the subject line (not body):
send #138
subscribe Sender is added to our mailing list. To subscribe,
supply the following in the subject line (not body):
subscribe cws your-email-address
Note that your-email-address should be substituted
by your email address.
unsubscribe Sender is removed from the CWS mailing list.
________________________________________________________________________________
- -----BEGIN PGP SIGNATURE-----
Version: 2.6.2
iQCVAwUBM/tkNrdzzzOFBFjJAQFTAwP+PXFAJgz/t8GNESU10nmToKPYMbCsUSlX
CGnYi54vSZEdyGoYQXZfDiSGiRzIHcp2hKAaIFc2w929s4IpbM9ABp83A1U0Yi5b
zUX6d14Qsm0/FwP0VOU+Ua8/2Vr3zWF5oqJ7AcP9Z9nXc1xbK7ubJuqwgu5Py9gR
eg6UmwzDbgs=
=UlQA
- -----END PGP SIGNATURE-----
- --------------------------END INCLUDED TEXT--------------------
-----BEGIN PGP SIGNATURE-----
Version: 2.6.3i
Charset: noconv
Comment: ftp://ftp.auscert.org.au/pub/auscert/AUSCERT_PGP.key
iQCVAwUBM/wM6Ch9+71yA2DNAQGLwQP9G19XM0LAugj+CCTlWZdN7H2MVqXcSJI7
ei/1BXVVBqTLU9p9MQ4znFMWZ9Z/jMuYjaVKYb7BD0Ti/NKsYDCDOKq0oAZ1z47h
lBA3x+iB8ns/cnBRyRmzD1hMaIr/BYyQFUhkCVV5UCVVuBRDcn9m9aix73nqUsHr
YKcZzhbvuKM=
=1lb9
-----END PGP SIGNATURE-----
|