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AUSCERT External Security Bulletin Redistribution
ESB-2005.1010 -- [Solaris]
Security Vulnerability in PC Netlink 2.0 slsadmin and slsmgr
May Allow Files to be Opened Insecurely
28 December 2005
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: Solaris PC NetLink 2.0
Publisher: Sun Microsystems
Operating System: Solaris 7, 8 and 9
Platform: SPARC
Impact: Increased Privileges
Execute Arbitrary Code/Commands
Overwrite Arbitrary Files
Access: Existing Account
Original Bulletin:
http://sunsolve.sun.com/search/printfriendly.do?assetkey=1-26-102117-1
http://sunsolve.sun.com/search/printfriendly.do?assetkey=1-26-102122-1
Comment: This bulletin contains two separate Sun advisories, detailing
local vulnerabilities in both slsadmin and slsmgr.
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Sun(sm) Alert Notification
* Sun Alert ID: 102117
* Synopsis: Security Vulnerability in PC Netlink 2.0 "slsadmin" May
Allow Files to be Opened Insecurely
* Category: Security
* Product: Solaris PC NetLink 2.0
* BugIDs: 6215631
* Avoidance: Patch
* State: Resolved
* Date Released: 23-Dec-2005
* Date Closed: 23-Dec-2005
* Date Modified:
1. Impact
A security vulnerability in the "/etc/init.d/slsadmin" script in PC
NetLink 2.0 may allow files to be opened insecurely, which could allow
an unprivileged local user the ability to write to the filesystem with
the permissions of the user running "slsadmin." If "slsadmin" is
run as "root," it may allow a local unprivileged user to gain elevated
privileges on the system and run arbitrary commands.
2. Contributing Factors
This issue can occur in the following release:
SPARC Platform
* PC NetLink 2.0 (for Solaris 7, 8 and 9) without patch 121332-01
Notes:
1. Solaris for x86 is not affected by this issue.
2. Solaris 10 is not affected by this issue.
3. PC NetLink 1.0, 1.1 and 1.2 are not affected by this issue.
To determine the version of PC NetLink on a system, the following
command can be run:
$ /opt/lanman/bin/net version
Solaris (TM) PC NetLink, Version 2.0,REV=2.0.xx
UNIX Systems Server
To determine if the SUNWlzas package (for slsadmin) is installed on a
system, the following command can be run:
$ pkginfo -l SUNWlzas
PKGINST: SUNWlzas
NAME: Solaris (TM) PC NetLink Adm Srv
CATEGORY: system
ARCH: sparc
VERSION: 2.0,REV=rr24
BASEDIR: /
VENDOR: Sun Microsystems, Inc.
DESC: Solaris (TM) PC NetLink Administration Serv
er
3. Symptoms
There are no predictable symptoms that would indicate the described
issue has been exploited.
4. Relief/Workaround
There is no workaround for this issue. Please see the "Resolution"
section below.
5. Resolution
This issue is addressed in the following release:
SPARC Platform
* PC NetLink 2.0 (for Solaris 7, 8 and 9) with patch 121332-01 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 2000-2005 Sun Microsystems, Inc., 4150 Network Circle, Santa
Clara, CA 95054 U.S.A. All rights reserved
- ----------------------------------------------------------------------------
Sun(sm) Alert Notification
* Sun Alert ID: 102122
* Synopsis: Security Vulnerability in PC Netlink 2.0 "slsmgr" May
Allow Files to be Opened Insecurely
* Category: Security
* Product: Solaris PC NetLink 2.0
* BugIDs: 6215629
* Avoidance: Patch
* State: Resolved
* Date Released: 23-Dec-2005
* Date Closed: 23-Dec-2005
* Date Modified:
1. Impact
A security vulnerability in the "/opt/lanman/sbin/slsmgr" command in
PC NetLink 2.0 may allow files to be opened insecurely, which could
allow an unprivileged local user the ability to write to the
filesystem with the permissions of the user running "slsmgr." If
"slsmgr" is run as "root," it may allow a local unprivileged user to
gain elevated privileges on the system and run arbitrary commands.
2. Contributing Factors
This issue can occur in the following release:
SPARC Platform
* PC NetLink 2.0 (for Solaris 7, 8 and 9) without patch 121209-01
Notes:
1. Solaris for x86 is not affected by this issue.
2. Solaris 10 is not affected by this issue.
3. PC NetLink 1.0, 1.1 and 1.2 are not affected by this issue.
To determine the version of PC NetLink on a system, the following
command can be run:
$ /opt/lanman/bin/net version
Solaris (TM) PC NetLink, Version 2.0,REV=2.0.xx
UNIX Systems Server
To determine if the SUNWlzag package (for slsmgr) is installed on a
system, the following command can be run:
$ pkginfo -l SUNWlzag
PKGINST: SUNWlzag
NAME: Solaris (TM) PC NetLink Adm GUI
CATEGORY: system
ARCH: sparc
VERSION: 2.0,REV=rr24
BASEDIR: /
VENDOR: Sun Microsystems, Inc.
DESC: Solaris (TM) PC NetLink Administration Java
GUI components
3. Symptoms
There are no predictable symptoms that would indicate the described
issue has been exploited.
4. Relief/Workaround
There is no workaround for this issue. Please see the "Resolution"
section below.
5. Resolution
This issue is addressed in the following release:
SPARC Platform
* PC NetLink 2.0 (for Solaris 7, 8 and 9) with patch 121209-01 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 2000-2005 Sun Microsystems, Inc., 4150 Network Circle, Santa
Clara, CA 95054 U.S.A. All rights reserved
- --------------------------END INCLUDED TEXT--------------------
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