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AUSCERT External Security Bulletin Redistribution
ESB-2006.0041 -- [Solaris]
Security Vulnerability Using find(1) to Search "/proc" May
Cause a Denial of Service (DoS) Condition
13 January 2006
AusCERT Security Bulletin Summary
Publisher: Sun Microsystems
Operating System: Solaris 10
Impact: Denial of Service
Access: Existing Account
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Sun(sm) Alert Notification
* Sun Alert ID: 102108
* Synopsis: Security Vulnerability Using find(1) to Search "/proc"
May Cause a Denial of Service (DoS) Condition
* Category: Security
* Product: Solaris 10 Operating System
* BugIDs: 6291662
* Avoidance: Patch
* State: Resolved
* Date Released: 11-Jan-2006
* Date Closed: 11-Jan-2006
* Date Modified:
A local unprivileged user running find(1) against the "/proc"
filesystem may panic the system, creating a Denial of Service (DoS)
2. Contributing Factors
This issue can occur in the following releases:
* Solaris 10 without patch 118822-24
* Solaris 10 without patch 118844-24
Note: Solaris 8 and 9 are not affected by this issue.
This issue can occur when the find(1) command is run by an
unprivileged user to search the "/proc" file system.
The system will panic with a stack trace similar to the following:
recursive rw_enter, lp=XXXXXXXXXXX wwwh=XXXXXXXXXXX thread=XXXXXXXXXXX
(where XXXXXXXXXXXX are hexadecimal numbers).
There is no workaround to this issue. Please see the Resolution
This issue is addressed in the following releases:
* Solaris 10 with patch 118822-24 or later
* Solaris 10 with patch 118844-24 or later
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
notification may only be used for the purposes contemplated by these
Copyright 2000-2005 Sun Microsystems, Inc., 4150 Network Circle, Santa
Clara, CA 95054 U.S.A. All rights reserved
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