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AUSCERT External Security Bulletin Redistribution
ESB-2006.0498 -- [Solaris]
Security Vulnerability in Sun's Internet Protocol (IP) Implementation May
Allow Local Users to Bypass the Routing Table
24 July 2006
AusCERT Security Bulletin Summary
Product: Solaris 10
Publisher: Sun Microsystems
Operating System: Solaris 10
Impact: Inappropriate Access
Access: Existing Account
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Sun(sm) Alert Notification
* Sun Alert ID: 102509
* Synopsis: Security Vulnerability in Sun's Internet Protocol (IP)
Implementation May Allow Local Users to Bypass the Routing Table
* Category: Security, Availability
* Product: Solaris 10 Operating System
* BugIDs: 6425832
* Avoidance: Patch
* State: Resolved
* Date Released: 21-Jul-2006
* Date Closed: 21-Jul-2006
* Date Modified:
A local unprivileged user may be able to bypass the system's routing
table and direct packets on a per-socket basis to or through an
on-link router other than the one defined by the system. This could
allow a user to send data to hosts and services that may not be
ordinarily reachable and/or bypass a firewall.
2. Contributing Factors
This issue can occur in the following releases:
* Solaris 10 with patches 118833-06 through 118833-17 and without
* Solaris 10 with patches 118855-04 through 118855-14 and without
1. This issue does not affect Solaris 8 or 9.
2. This issue only applies to IPv4 sockets.
There are no reliable symptoms that would indicate the described issue
has been exploited to bypass the routing table on a system.
There is no workaround for this issue. Please see the Resolution
This issue is addressed in the following releases:
* Solaris 10 with patch 118833-18 or later
* Solaris 10 with patch 118855-15 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 2000-2006 Sun Microsystems, Inc., 4150 Network Circle, Santa
Clara, CA 95054 U.S.A. All rights reserved
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