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AUSCERT External Security Bulletin Redistribution
ESB-2008.0612 -- [Solaris]
Solaris 10 Event Port Implementation May Lead to a System Panic
20 June 2008
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AusCERT Security Bulletin Summary
---------------------------------
Product: Solaris 10
Publisher: Sun Microsystems
Operating System: Solaris
Impact: Denial of Service
Access: Existing Account
CVE Names: CVE-2008-2706
Original Bulletin:
http://sunsolve.sun.com/search/printfriendly.do?assetkey=1-66-235122-1
Revision History: June 20 2008: Added CVE Reference
June 13 2008: Initial Release
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Solution Type: Sun Alert
Solution 235122 : Vulnerability in the Solaris 10 Event Port
Implementation May Lead to a System Panic, Resulting in a Denial of
Service (DoS)
Bug ID: 6636987
Product
Solaris 10 Operating System
Date of Resolved Release: 11-Jun-2008
SA Document Body
Security Vulnerability in the Solaris 10 Event Port Implementation May Lead
to a System Panic (See below for Details)
1. Impact
A security vulnerability in the Solaris 10 event port implementation
may lead to a system panic when executing an application program that
submits and retreives user-defined events from a port. This may allow
a local unprivileged user to cause a system panic resulting in Denial
of Service (DoS) condition in the affected host.
2. Contributing Factors
This issue can occur in the following releases:
SPARC Platform
* Solaris 10 without patch 137111-01
x86 Platform
* Solaris 10 without patch 137112-01
Note: Solaris 8 and Solaris 9 are not impacted by this issue.
3. Symptoms
If the described issue occurs, the following panic string and stack
trace may be seen:
BAD TRAP: type=31 rp=2a102e39720 addr=30 mmu_fsr=0 occurred in
module "genunix" due to a NULL pointer dereference
<trap>genunix:pollwakeup+0x28()
genunix:port_send_event+0x114()
portfs:port_send+0x48()
portfs:portfs+0x250(?)
unix:syscall_trap+0xac()
4. Workaround
There is no workaround for this issue. Please see the Resolution
section below.
5. Resolution
This issue is addressed in the following release:
SPARC Platform
* Solaris 10 with patch 137111-01 or later
x86 Platform
* Solaris 10 with patch 137112-01 or later
For more information on Security Sun Alerts, see Technical Instruction
ID 213557 at:
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 2000-2008 Sun Microsystems, Inc., 4150 Network Circle, Santa
Clara, CA 95054 U.S.A. All rights reserved
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