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AUSCERT External Security Bulletin Redistribution
ESB-2008.1026 -- [Solaris]
A Security Vulnerability in the Sun System Firmware on
Certain SPARC Systems May Allow Unauthorized Data Access
7 November 2008
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AusCERT Security Bulletin Summary
---------------------------------
Product: Sun System Firmware 6.6.x
Sun System Firmware 7.1.x
Publisher: Sun Microsystems
Operating System: Solaris
Impact: Access Privileged Data
Access: Existing Account
Original Bulletin:
http://sunsolve.sun.com/search/printfriendly.do?assetkey=1-66-244826-1
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Solution Type: Sun Alert
Solution 244826 : A Security Vulnerability in the Sun System
Firmware on Certain SPARC Systems May Allow Unauthorized Data Access
Bug ID: 6721010
Product
Sun System Firmware 6.6.x
Sun System Firmware 7.1.x
Date of Resolved Release: 05-Nov-2008
SA Document Body
A Security Vulnerability in the Sun System Firmware on Certain SPARC Systems
May Allow Unauthorized Data Access
1. Impact
A security vulnerability in the firmware for certain Sun SPARC Systems
using the Sun UltraSPARC T1, UltraSPARC T2, and UltraSPARC T2+
processors may allow unauthorized data access, where local privileged
users in one Logical Domain (ldm(1M)) may be able to gain access to
memory in another logical domain.
2. Contributing Factors
This issue can occur on the following platforms (when running multiple
domains):
* Sun SPARC Enterprise T5140/T5240 running Sun System Firmware
7.1.3.d or 7.1.3.e
* Sun Netra T5220 running Sun System Firmware 7.1.3
* Sun SPARC Enterprise T5120/T5220 running Sun System Firmware
7.1.3.d or 7.1.3.e
* Sun Blade T6320 running Sun System Firmware 7.1.3.d or 7.1.3.e
* Sun Fire / SPARC Enterprise T2000 running Sun System Firmware
6.6.3, 6.6.4 or 6.6.5
* Sun Fire / SPARC Enterprise T1000 running Sun System Firmware
6.6.3, 6.6.4 or 6.6.5
* Sun Netra T2000 running Sun System Firmware 6.6.3, 6.6.4 or 6.6.5
* Sun Netra CP3060 running Sun System Firmware 6.6.3, 6.6.4 or 6.6.5
* Sun Blade T6300 running Sun System Firmware 6.6.3, 6.6.4 or 6.6.5
Note 1: No other Sun systems are affected by this issue.
Note 2: This issue can only occur on systems (listed above) running
multiple domains.
Note 3: To determine the Sun System Firmware version installed on a
system, you can query from the Service Processor command line
interface with the following commands:
ILOM CLI: "show /HOST" (SysFW 7.x only)
ALOM CLI: "showhost" (SysFW 7.x and 6.x)
Example 1: (look for "Sun System Firmware" version information
underneath the "Properties" section)
-> show /HOST
/HOST
Targets:
.
.
Properties:
.
.
sysfw_version = Sun System Firmware 7.1.6.d 2008/09/15 17:11
Example 2:
sc> showhost
Sun System Firmware 7.1.6.d 2008/09/15 17:11
Host flash versions:
Hypervisor 1.6.7.a 2008/08/30 05:18
OBP 4.29.0.a 2008/09/15 12:01
POST 4.29.0.a 2008/09/15 12:27
sc>
Note 4: To determine if the system is running multiple domains, and is
therefore potentially vulnerable, the LDoms Manager package
(SUNWldm(1M)) includes a command to list the domains:
Example 1: This is a single-domained system:
# /opt/SUNWldm/bin/ldm list
NAME STATE FLAGS CONS VCPU MEMORY UTIL UPTIME
primary active -n-c-- SP 64 65408M 11% 57m
Example 2: This is a multi-domained system with the 2nd domain
active.
# /opt/SUNWldm/bin/ldm list
NAME STATE FLAGS CONS VCPU MEMORY UTIL UPTIME
primary active -n-cv- SP 32 2G 1.0% 8m
foo active -t---- 5000 16 2G 6.2% 0s
Example 3: This is a multi-domained system with the 2nd domain
quiesced:
# /opt/SUNWldm/bin/ldm list
NAME STATE FLAGS CONS VCPU MEMORY UTIL UPTIME
primary active -n-cv- SP 32 2G 57% 11m
foo inactive ------ 16 2G
3. Symptoms
There are no predictable symptoms to indicate this issue has been
exploited to gain unauthorized data access to the system.
4. Workaround
To work around the described issue until the resolution patches can be
applied, restrict privileged access only to trusted users.
5. Resolution
This issue is addressed for these platforms in the following releases:
* Sun SPARC Enterprise T5140/T5240 Sun System Firmware 7.1.6 (as
delivered in patch 136936-07 or later)
* Sun Netra T5220 Sun System Firmware 7.1.4.a (as delivered in patch
136934-03 or later)
* Sun SPARC Enterprise T5120/T5220 Sun System Firmware 7.1.6 (as
delivered in patch 136932-04 or later)
* Sun Blade T6320 Sun System Firmware 7.1.6 (as delivered in patch
136933-06 or later)
* Sun Fire / SPARC Enterprise T2000 Sun System Firmware 6.6.7 (as
delivered in patch 136927-05 or later)
* Sun Fire / SPARC Enterprise T1000 Sun System Firmware 6.6.7 (as
delivered in patch 136928-05 or later)
* Sun Netra T2000 Sun System Firmware 6.6.7 (as delivered in patch
136929-05 or later)
* Sun Netra CP3060 Sun System Firmware 6.6.7 (as delivered in patch
136930-05 or later)
* Sun Blade T6300 Sun System Firmware 6.6.7 (as delivered in patch
136931-05 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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