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AUSCERT External Security Bulletin Redistribution
Security Vulnerabilities in Sun Ray Server Software 4.0
21 July 2009
AusCERT Security Bulletin Summary
Product: Sun Ray Server Software 4.0
Publisher: Sun Microsystems
Operating System: Solaris
Impact/Access: Execute Arbitrary Code/Commands -- Existing Account
Denial of Service -- Existing Account
Unauthorised Access -- Existing Account
CVE Names: CVE-2009-2491 CVE-2009-2490 CVE-2009-2489
Revision History: July 21 2009: Added CVE references
July 21 2009: Initial Release
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Solution Type Sun Alert
Solution 253889 : Two Security Vulnerabilities in Sun Ray Server Software
4.0 on Systems with Trusted Extensions Enabled May Allow
either a Denial of Service (DoS) of the Audio Service or
Unauthorized Access to Other Users' Sessions
Bug ID : 6672502
Product : Sun Ray Server Software 4.0
Date of Resolved Release : 15-Jul-2009
SA Document Body
Two Security Vulnerabilities in Sun Ray Server Software 4.0 on Systems with
Trusted Extensions Enabled May Allow either a Denial of Service (DoS) of the
Audio Service or Unauthorized Access to Other Users' Sessions
A security vulnerability in the Sun Ray Server Software (SRSS) utaudiod
daemon audio service may allow a local unprivileged user to cause a denial
of audio service or possibly to execute arbitrary code with the privileges
of the utaudiod service. A second vulnerability, an information leak in
the utaudiod daemon, may allow a local unprivileged user on a system with
Trusted Extensions enabled to gain unauthorized access to the Sun Ray
sessions of other users.
2. Contributing Factors
These issues can occur in the following releases:
* Sun Ray Server Software 4.0 (for Solaris 10) without patch 127553-06
* Sun Ray Server Software 4.0 (for Solaris 10) without patch 127554-06
1. Sun Ray Server Software 2.0, 3.0, 3.1, 3.1.1 and 4.1 are not affected by
To determine the version of Sun Ray Server Software on a system, the
following command can be run:
$/opt/SUNWut/lib/utprodinfo -p SUNWuto VERSION
2. These issues can only occur on systems with Trusted Extensions enabled.
To determine if a system is configured with Solaris Trusted Extensions,
the following command can be run:
$ svcs /system/labeld
STATE STIME FMRI
online 7:08:09 svc:/system/labeld:default
If the system is configured with Solaris Trusted Extensions, the "labeld"
service will have an instance in the online state.
There are no predictable symptoms that would indicate the described
vulnerabilities have been exploited.
There is no workaround for these issues. Please see the Resolution section
These issues are addressed in the following releases:
* Sun Ray Server Software 4.0 (for Solaris 10) with patch 127553-06 or
* Sun Ray Server Software 4.0 (for Solaris 10) with patch 127554-06 or
For more information on Security Sun Alerts, see Technical Instruction ID
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Copyright 2000-2009 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
CA 95054 U.S.A. All rights reserved.
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