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Liebe Kolleginnen und Kollegen,
soeben erreichte uns nachfolgendes Sun Security Advisory. Wir geben
diese Informationen unveraendert an Sie weiter.
CVE-2008-5256 – Schwachstelle in Sun xVM VirtualBox vor Version 2.0.6
Die Virtualisierungs-Software Sun xVM VirtualBox vor Version 2.0.6
legt Lockfiles in /tmp auf unsichere Weise an. Ein lokaler Angreifer
kann dadurch mit Hilfe eines symbolischen Links beliebige Dateien des
Benutzers ueberschreiben, der VirtualBox verwendet.
Betroffen sind die folgenden Software Pakete und Plattformen:
Sun xVM VirtualBox 2.0
x86 Plattform
* Sun xVM VirtualBox 1.6, 2.0.0, 2.0.2 und 2.0.4
Linux
* Sun xVM VirtualBox 1.6, 2.0.0, 2.0.2 und 2.0.4
Mac OSX
* Sun xVM VirtualBox 1.6, 2.0.0, 2.0.2 und 2.0.4
Vom Hersteller werden ueberarbeitete Pakete zur Verfuegung gestellt.
Hersteller Advisory:
http://sunsolve.sun.com/search/document.do?assetkey=1-66-247326-1
(c) der deutschen Zusammenfassung bei DFN-CERT Services GmbH; die
Verbreitung, auch auszugsweise, ist nur unter Hinweis auf den Urheber,
DFN-CERT Services GmbH, und nur zu nicht kommerziellen Zwecken
gestattet.
Mit freundlichen Gruessen,
Andreas Bunten, DFN-CERT
– —
Andreas Bunten (Incident Response Team), +49 40 808077-555
DFN-CERT Services GmbH, https://www.dfn-cert.de, Phone +49 40 808077-555
Sitz / Register: Hamburg, AG Hamburg, HRB 88805, Ust-IdNr.: DE 232129737
Sachsenstrasse 5, 20097 Hamburg/Germany, CEO: Dr. Klaus-Peter Kossakowski
Automatische Warnmeldungen https://www.cert.dfn.de/autowarn
Solution Type Sun Alert
Solution 247326 : Insecure Temporary File Creation Security
Vulnerability in Sun xVM VirtualBox
Related Categories
* Home>Content>Sun Alert Criteria Categories>Security
* Home>Content>Sun Alert Release Phase>Resolved
Bug ID
6770579
Product
Sun xVM VirtualBox 2.0
Date of Resolved Release
10-Dec-2008
SA Document Body
Insecure Temporary File Creation Security Vulnerability in Sun xVM VirtualBox
1. Impact
An insecure temporary file creation security vulnerability in Sun xVM
VirtualBox may allow a local unprivileged user to create or overwrite
arbitrary files, with the access privileges of the user running the
VirtualBox.
Sun acknowledges with thanks, Debian for bringing this issue to our
attention.
This issue is referenced in the following document:
CVE-2008-5256 at
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-5256
2. Contributing Factors
This issue can occur in the following releases:
x86 Platform
* Sun xVM VirtualBox 1.6, 2.0.0, 2.0.2 and 2.0.4
Linux
* Sun xVM VirtualBox 1.6, 2.0.0, 2.0.2 and 2.0.4
Mac OSX
* Sun xVM VirtualBox 1.6, 2.0.0, 2.0.2 and 2.0.4
Notes:
1. Sun xVM VirtualBox does not run on the SPARC Platform
2. Sun xVM VirtualBox packages for Windows are not affected.
To determine the version of xVM VirtualBox on a system, you can do one
of the following:
In the Menu of Sun xVM VirtualBox, select Help -> About VirtualBox
Or,
From the command line, run “VBoxManage -version” in the product
installation directory.
3. Symptoms
Extra files appear or existing files suddenly have different content.
The file contents are very small; such as a single line containing only
a number.
4. Workaround
There is no workaround for this issue. Please see the “Resolution”
section below.
5. Resolution
This issue is addressed in the following releases:
x86 Platform
* Sun xVM VirtualBox 2.0.6
Linux
* Sun xVM VirtualBox 2.0.6
Mac OSX
* Sun xVM VirtualBox 2.0.6
Sun xVM VirtualBox 2.0.6 can be downloaded from the following site:
http://dlc.sun.com/virtualbox/vboxdownload.html
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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