Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== 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 Original Bulletin: http://sunsolve.sun.com/search/printfriendly.do?assetkey=1-26-102108-1 - --------------------------BEGIN INCLUDED TEXT-------------------- 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: 1. Impact A local unprivileged user running find(1) against the "/proc" filesystem may panic the system, creating a Denial of Service (DoS) condition. 2. Contributing Factors This issue can occur in the following releases: SPARC Platform * Solaris 10 without patch 118822-24 x86 Platform * 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. 3. Symptoms The system will panic with a stack trace similar to the following: recursive rw_enter, lp=XXXXXXXXXXX wwwh=XXXXXXXXXXX thread=XXXXXXXXXXX vpanic() as_fault() pagefault() trap() ktl0() uiomove() gfs_readdir_emit_int() gfs_readdir_pred() pr_readdir_objectdir() getdents64() syscall_trap32() (where XXXXXXXXXXXX are hexadecimal numbers). 4. Relief/Workaround There is no workaround to this issue. Please see the Resolution section below. 5. Resolution This issue is addressed in the following releases: SPARC Platform * Solaris 10 with patch 118822-24 or later x86 Platform * 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 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 2000-2005 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, CA 95054 U.S.A. All rights reserved - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: http://www.auscert.org.au/render.html?cid=1980 If you believe that your computer system has been compromised or attacked in any way, we encourage you to let us know by completing the secure National IT Incident Reporting Form at: http://www.auscert.org.au/render.html?it=3192 =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQCVAwUBQ8bz3Sh9+71yA2DNAQIUEwP/fgU5/JxbF2DN+vtqujARQQ5hRBXHRAH8 UrHm555684XVFTFUuZtEUK4l8xCXWcpfuiBfsVUUi1cDBAOgXLZ3/6oLxGXJz8B3 f1OcaQXnuOAinM3jY+n2p1kPYdk01u9pxwdaKIPgMaZd8y+VLc3Wqv/GQPfdcoGF oXifGA82ZqE= =rGJk -----END PGP SIGNATURE-----