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AUSCERT External Security Bulletin Redistribution
ESB-2008.0622 -- [Solaris]
SNMPv3 Authentication Bypass Vulnerability in snmpd
1 August 2008
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AusCERT Security Bulletin Summary
---------------------------------
Product: SNMPv3
Publisher: Sun Microsystems
Operating System: Solaris
Impact: Access Privileged Data
Access: Remote/Unauthenticated
CVE Names: CVE-2008-0960
Ref: AL-2008.0073
Original Bulletin:
http://sunsolve.sun.com/search/printfriendly.do?assetkey=1-66-238865-1
Revision History: August 1 2008: Issue resolved
June 16 2008: Initial Release
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Solution Type: Sun Alert
Solution 238865 : SNMPv3 Authentication Bypass Vulnerability in
snmpd(1M)
Bug ID: 6705202
Product
Solaris 10 Operating System, OpenSolaris
Date of Workaround Release: 12-Jun-2008
Date of Resolved Release: 30-Jul-2008
SA Document Body
SNMPv3 Authentication Bypass Vulnerability in snmpd(1M)
1. Impact
A security vulnerability in the System Management Agent (SMA) SNMP
daemon (snmpd(1M)) that shipped with Solaris may allow a local or
remote unprivileged user to access unauthorized information.
This issue is described in the following document:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-0960
2. Contributing Factors
This issue can occur in the following releases:
SPARC Platform:
* Solaris 10 without patch 120272-21
* OpenSolaris based upon builds snv_01 or later
x86 Platform:
* Solaris 10 without patch 120273-23
* OpenSolaris based upon builds snv_01 or later
Notes:
1. Solaris 8 and Solaris 9 do not ship with the Net-SNMP software and
thus are not impacted by this issue.
2. The Net-SNMP software was not bundled with Solaris prior to
Solaris10. However, customers who have built and/or installed a
vulnerable version of Net-SNMP on any version of Solaris are at risk.
(See the Net-SNMP web site to download the latest version of Net-SNMP
which addresses this issue).
3. The Solaris 10 patches which address this vulnerability do not
increment the version of Net-SNMP. The version of Net-SNMP supplied
with the patches will still be reported as 5.0.9.
4. This issue only affects systems which have the SUNWsmagt package
installed. To determine if the SUNWsmagt package is installed on the
system, the following command can be used:
$ pkginfo -l SUNWsmagt
PKGINST: SUNWsmagt
NAME: System Management Agent files and libraries
CATEGORY: system
VERSION: 1.0,REV=2005.01.08.05.16
5. Only OpenSolaris installations including the affected binary
"/usr/sfw/lib/libnetsnmp.so.5.0.9" are affected by this issue.
6. OpenSolaris distributions may include additional bug fixes above
and beyond the build from which it was derived. The base build can be
derived as follows:
$ uname -a
SunOS phys-node-1 5.11 snv_86 i86pc i386 i86pc
3. Symptoms
There are no predictable symptoms that would indicate this issue has
being exploited to gain access to unauthorized information.
4. Workaround
There is no workaround for this issue. Please see the Resolution
section below.
5. Resolution
This issue is addressed in the following releases:
SPARC Platform:
* Solaris 10 with patch 120272-21 or later
* OpenSolaris based upon builds snv_93 or later
x86 Platform:
* Solaris 10 with patch 120273-23 or later
* OpenSolaris based upon builds snv_93 or later
For more information on Security Sun Alerts, see Technical
Instruction ID 213557.
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 2000-2008 Sun Microsystems, Inc., 4150 Network Circle, Santa
Clara, CA 95054 U.S.A. All rights reserved
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