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AUSCERT External Security Bulletin Redistribution
ESB-2008.0783 -- [Solaris]
Security Vulnerability in Solaris snoop(1M) when Displaying SMB Traffic
7 August 2008
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AusCERT Security Bulletin Summary
---------------------------------
Product: snoop
Publisher: Sun Microsystems
Operating System: Solaris
Impact: Execute Arbitrary Code/Commands
Access: Remote/Unauthenticated
CVE Names: CVE-2008-0965 CVE-2008-0964
Original Bulletin:
http://sunsolve.sun.com/search/printfriendly.do?assetkey=1-66-240101-1
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Solution Type: Sun Alert
Solution 240101 : Security Vulnerability in Solaris snoop(1M) when
Displaying SMB Traffic
Bug ID: 6655168
Product
Solaris 8 Operating System
Solaris 9 Operating System
Solaris 10 Operating System
Date of Resolved Release: 05-Aug-2008
SA Document Body
Security Vulnerability in Solaris snoop(1M) when Displaying SMB Traffic
1. Impact
A security vulnerability in the snoop(1M) network utility relating to
the display of SMB traffic may allow a remote user the ability to
execute arbitrary commands as the user "nobody" or possibly another
local user.
Sun acknowledges with thanks, Gael Delalleau working with the iDefense
VCP, for bringing these issues to our attention.
These issues are also described in the following documents:
CVE-2008-0964 at
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-0964
CVE-2008-0965 at
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-0965
2. Contributing Factors
This issue can occur in the following releases:
SPARC Platform
* Solaris 10 without patch 138083-01
* Solaris 9 without patch 112915-05
* Solaris 8 without patch 108964-11
* OpenSolaris based upon builds snv_01 through snv_95
x86 Platform
* Solaris 10 without patch 138084-01
* Solaris 9 without patch 114262-04
* Solaris 8 without patch 108965-11
* OpenSolaris based upon builds snv_01 through snv_95
Notes:
In order for a system to be affected by this issue, a user must run
the snoop(1M) utility without using the "-o" option. The
interpretation by snoop of a maliciously crafted packet can trigger
the issue and allow arbitrary commands to be run as the user running
snoop. This can happen whether or not the packet is captured "live"
from an interface or is already in a snoop capture file and is being
read via the "-i" flag.
When run as the user "root", the snoop utility changes the effective
user to "nobody", so in this case the commands will run as the user
"nobody" and not as the user "root". For all other users the commands
will run as that user.
3. Symptoms
There are no predictable symptoms that would indicate this issue has
been exploited to execute arbitrary code.
4. Workaround
There is no workaround that would allow the snoop(1M) command to be
used without risking exposure to this issue. To defend completely
against this issue, the snoop command should not be used until the
patches listed in the Resolution section can be applied.
5. Resolution
This issue is addressed in the following releases:
SPARC Platform
* Solaris 10 with patch 138083-01
* Solaris 9 with patch 112915-05
* Solaris 8 with patch 108964-11
* OpenSolaris based upon builds snv_96 or later
x86 Platform
* Solaris 10 with patch 138084-01
* Solaris 9 with patch 114262-04
* Solaris 8 with patch 108965-11
* OpenSolaris based upon builds snv_96 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 2000-2008 Sun Microsystems, Inc., 4150 Network Circle, Santa
Clara, CA 95054 U.S.A. All rights reserved
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