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AUSCERT External Security Bulletin Redistribution
ESB-2009.1081.2
Vulnerability in the Solaris SCTP Packet Processing may Lead
to a System Panic
21 July 2009
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AusCERT Security Bulletin Summary
---------------------------------
Product: SCTP
Publisher: Sun Microsystems
Operating System: Solaris 10
OpenSolaris
Impact/Access: Denial of Service -- Existing Account
Resolution: Patch
CVE Names: CVE-2009-2486
Original Bulletin:
http://sunsolve.sun.com/search/document.do?assetkey=1-66-253608-1
Revision History: July 21 2009: Added CVE reference
July 21 2009: Initial Release
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Solution Type Sun Alert
Solution 253608 : A Security Vulnerability in the Solaris SCTP Packet
Processing may Lead to a System Panic Resulting in a
Denial of Service (DoS)
Bug ID : 6766767
Product : Solaris 10 Operating System
OpenSolaris
Date of Resolved Release : 15-Jul-2009
SA Document Body
A security vulnerability in the Solaris SCTP packet processing may lead to a
system panic:
1. Impact
A security vulnerability in Solaris 10 SCTP packet processing (see sctp(7P))
may allow a privileged remote user to panic the system, resulting in a Denial
of Service (DoS).
2. Contributing Factors
This issue can occur in the following releases:
SPARC Platform
* Solaris 10 without patch 141414-01
* OpenSolaris based upon builds snv_01 through snv_119
x86 Platform
* Solaris 10 without patch 141415-01
* OpenSolaris based upon builds snv_01 through snv_119
Note 1: Solaris 8 and Solaris 9 are not impacted by this issue.
Note 2: OpenSolaris distributions may include additional bug fixes above and
beyond the build from which it was derived. To determine the base
build of OpenSolaris, the following command can be used:
$ uname -v
snv_86
3. Symptoms
If the described issue is exploited to cause a Denial of Service (DoS), the
system may panic with a stack trace similar to the following:
sctp_got_sack
sctp_input_data
sctp_input
ip_sctp_input
...
...
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 141414-01 or later
* OpenSolaris based upon builds snv_120 or later
x86 Platform
* Solaris 10 with patch 141415-01 or later
* OpenSolaris based upon builds snv_120 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 2000-2009 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
CA 95054 U.S.A. All rights reserved.
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