INFORMATION BULLETIN

S-345: Security Vulnerability in the Java Runtime Environment Virtual Machine

[Sun Alert ID: 238967]

July 28, 2008 19:00 GMT


PROBLEM:	A vulnerability in the Java Runtime Environment Virtual Machine may allow an untrusted application or applet that is downloaded from a website to elevate its privileges.
PLATFORM:	Java Platform, Standard Edition (Java SE)
DAMAGE:	Elevation of privileges.
SOLUTION:	Upgrade to the appropriate version.

VULNERABILITY ASSESSMENT:	The risk is MEDIUM. The application or applet may grant itself permissions to read and write local files or execute local applications that are accessible to the user running the untrusted application or applet.

CVSS 2 BASE SCORE: TEMPORAL SCORE: VECTOR:	7.5 6.2 (AV:N/AC:L/Au:N/C:P/I:P/A:P/E:F/RL:OF/RC:C)

LINKS:
CIAC BULLETIN:	http://www.ciac.org/ciac/bulletins/s-345.shtml
ORIGINAL BULLETIN:	http://sunsolve.sun.com/search/document.do?assetkey=1-66-238967-1
ADDITIONAL LINKS:	http://sunsolve.sun.com/search/document.do?assetkey=1-66-238968-1 http://sunsolve.sun.com/search/document.do?assetkey=1-66-238905-1 http://sunsolve.sun.com/search/document.do?assetkey=1-66-238987-1 http://sunsolve.sun.com/search/document.do?assetkey=1-66-238666-1 http://sunsolve.sun.com/search/document.do?assetkey=1-66-238966-1 http://sunsolve.sun.com/search/document.do?assetkey=1-66-238965-1 http://sunsolve.sun.com/search/document.do?assetkey=1-66-238628-1
CVE:

[***** Start Sun Alert ID: 238967 *****]

Document Audience:	PUBLIC
Document ID:	238967
Title:	Security Vulnerability in the Java Runtime Environment Virtual Machine may allow an untrusted Application or Applet to Elevate Privileges
Copyright Notice:	Copyright © 2008 Sun Microsystems, Inc. All Rights Reserved
Update Date:	Tue Jul 08 00:00:00 MDT 2008

Solution Type Sun Alert

Solution 238967 : Security Vulnerability in the Java Runtime Environment Virtual Machine may allow an untrusted Application or Applet to Elevate Privileges

Related Categories

Home>Content>Sun Alert Criteria Categories>Security 
Home>Content>Sun Alert Release Phase>Resolved

Bug ID

Product

Java Platform, Standard Edition (Java SE)

Date of Resolved Release

08-Jul-2008

SA Document Body

Security Vulnerability in the Java Runtime Environment Virtual Machine may allow an untrusted Application or Applet to elevate Privileges

1. Impact

A vulnerability in the Java Runtime Environment Virtual Machine may allow an untrusted application or applet that is downloaded from a website to elevate its privileges. For example, the application or applet may grant itself permissions to read and write local files or execute local applications that are accessible to the user running the untrusted application or applet.

Sun acknowledges with thanks, Fujitsu for bringing this issue to our attention.

2. Contributing Factors

This issue can occur in the following releases for Windows, Solaris, and Linux:

JDK and JRE 6 Update 6 and earlier
JDK and JRE 5.0 Update 15 and earlier
SDK and JRE 1.4.2_17 and earlier

Note: SDK and JRE 1.3.x are not affected.

To determine the default version of the JRE that Internet Explorer uses:

Click "Tools" in the Menu Bar at the top of the browser
Select "Sun Java Console"
The first two lines in the console displays the version of Java Plug-in and JRE that Internet Explorer uses

To determine the default version of the JRE that Mozilla or Firefox browsers use, visit the URL "about:plugins".

The browser will display a page called "Installed plug-ins" which lists the version of the Java Plug-in as in the following example:

Java(TM) Plug-in 1.5.0_11-b03

The example above indicates the version of the JRE that the browser uses is 1.5.0_11.

3. Symptoms

There are no predictable symptoms that would indicate the above issue has been exploited.

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 for Windows, Solaris, and Linux:

JDK and JRE 6 Update 7 or later
JDK and JRE 5.0 Update 16 or later
SDK and JRE 1.4.2_18 or later

JDK and JRE 6 Update 7 is available for download at the following links:

http://java.sun.com/javase/downloads/index.jsp

http://java.com/

JRE 6 updates are available through the Java Update tool for Microsoft Windows users.

JDK 6 Update 7 for Solaris is available in the following patches:

Java SE 6 Update 7 (as delivered in patch 125136-09 or later)
Java SE 6 Update 7 (as delivered in patch 125137-09 or later (64bit))
Java SE 6_x86 Update 7 (as delivered in patch 125138-09 or later)
Java SE 6_x86 Update 7 (as delivered in patch 125139-09 or later (64bit))

JDK and JRE 5.0 Update 16 is available for download at the following link:

http://java.sun.com/javase/downloads/index_jdk5.jsp

JDK 5.0 Update 16 for Solaris is available in the following patches:

J2SE 5.0: update 16 (as delivered in patch 118666-17)
J2SE 5.0: update 16 (as delivered in patch 118667-17 (64bit))
J2SE 5.0_x86: update 16 (as delivered in patch 118668-17)
J2SE 5.0_x86: update 16 (as delivered in patch 118669-17 (64bit))

SDK and JRE 1.4.2_18 is available for download at the following link:

http://java.sun.com/j2se/1.4.2/download.html

Note: When installing a new version of the product from a source other than a Solaris patch, it is recommended that the old affected versions be removed from your system. To remove old affected versions on the Windows platform, please see:

http://java.com/en/download/help/uninstall_java.xml

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.


[***** End Sun Alert ID: 238967 *****]

CIAC wishes to acknowledge the contributions of Sun Microsystems for the information contained in this bulletin.

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