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AUSCERT External Security Bulletin Redistribution
ESB-2009.1019.2
Solaris Kernel udp(7p)
6 July 2009
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AusCERT Security Bulletin Summary
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Product: Solaris Kernel udp(7p)
Publisher: Sun
Operating System: Solaris
OpenSolaris
Impact/Access: Denial of Service -- Remote/Unauthenticated
Resolution: Patch
CVE Names: CVE-2009-2297
Revision History: July 6 2009: Added CVE Reference
July 3 2009: Initial Release
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Solution Type Sun Alert
Solution 262048 : A patch regression in Solaris Kernel udp(7p) may Cause
Certain Trusted Configurations of Solaris to Panic or Become Vulnerable to
Triggered Panics Resulting in a Denial of Service (DoS)
Bug ID : 6749743
Product : Solaris 10 Operating System
OpenSolaris
Date of Resolved Release : 30-Jun-2009
SA Document Body
Solaris Kernel udp(7p) may Cause Certain Trusted Configurations to Panic ...
(see below):
1. Impact
A patch regression in Solaris kernel udp(7p) may cause certain Solaris
Trusted Extensions configurations to panic at boot time, making the system
unavailable.
This issue may also allow remote or local unprivileged users to panic the
system, thereby causing a Denial of Service (DoS) to the system as a whole.
2. Contributing Factors
This issue can occur in the following releases:
SPARC Platform
* Solaris 10 with patch 138888-03 or patch 139555-08 and without
patch 141414-02
* OpenSolaris based upon builds snv_90 through snv_108
x86 Platform
* Solaris 10 with patch 138888-03 or patch 139555-08 and without
patch 141415-04
* OpenSolaris based upon builds snv_90 through snv_108
Note: 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 -v
snv_101
Notes: Solaris 8 and 9 are not impacted by this issue.
This issue only impacts systems which have Solaris Trusted Extensions
installed and running. To determine if Trusted Extensions is installed and
running on a host, execute the following command as root in the global zone:
# svcs labeld
online 16:19:20 svc:/system/labeld:default
If Trusted Extensions is configured and running, the labeld service will
have an instance in the online state.
3. Symptoms
If this issue occurs, the system may panic with a stack trace similar to the
following:
crgetlabel()
ip_wput_local+0x561()
ip_wput_ire+0x2bed()
ip_output_options+0x3c7()
udp_output_v4+0x442()
udp_output+0x145()
udp_wput_data+0xd1()
Certain systems may panic repeatedly, becoming unavailable until the
resolution patches are applied and the system is rebooted.
4. Workaround
There is no workaround to this issue. See the 'Resolution' section below.
5. Resolution
This issue is addressed in the following releases:
SPARC Platform
* Solaris 10 with patch 141414-02 or later
* OpenSolaris based upon builds snv_109 or later
x86 Platform
* Solaris 10 with patch 141415-04 or later
* OpenSolaris based upon builds snv_109 or later
For more information on security Sun Alerts, see Technical Instruction
ID 213557.
http://sunsolve.sun.com/search/document.do?assetkey=1-61-213557-1
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 2000-2009 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
CA 95054 U.S.A. All rights reserved.
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