Java JNLPAppletLauncher Flaw Lets Remote Users Write Arbitrary Files
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SecurityTracker Alert ID: 1022657 |
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SecurityTracker URL: http://securitytracker.com/id/1022657
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CVE Reference:
CVE-2009-2676
(Links to External Site)
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Updated: Aug 7 2009
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Original Entry Date: Aug 5 2009
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Impact:
Modification of system information, Modification of user information
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Fix Available: Yes Vendor Confirmed: Yes
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Version(s): JDK and JRE 6 Update 14 and prior, JDK and JRE 5.0 Update 19 and prior, SDK and JRE 1.4.2_21 and prior 1.4 versions
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Description:
A vulnerability was reported in the Java JNLPAppletLauncher. A remote user can write arbitrary files on the target system.
A remote user can create a specially crafted applet that, when loaded by the target user, will invoke a non-current version of the JNLPAppletLauncher to write arbitrary files on the target user's system.
SDK and JRE 1.3.1 are not affected.
John Heasman repored this vulnerability.
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Impact:
A remote user can write arbitrary files on the target system.
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Solution:
Sun has issued a blacklist in the fix for Windows, Solaris, and Linux:
* JDK and JRE 6 Update 15 or later
Note: Users should install JDK and JRE 6 Update 15 or later on systems running JDK and JRE 5.0 and SDK and JRE 1.4.2 to take advantage of this blacklist feature.
For more information about the Blacklist Jar Feature, see
http://java.sun.com/javase/6/webnotes/6u14.html
Java SE releases are available at:
JDK and JRE 6 Update 15:
http://java.sun.com/javase/downloads/index.jsp
JRE 6 Update 15:
http://java.com/
through the Java Update tool for Microsoft Windows users.
JDK 6 Update 15 for Solaris is available in the following patches:
* Java SE 6 Update 15 (as delivered in patch 125136-16)
* Java SE 6 Update 15 (as delivered in patch 125137-16 (64bit))
* Java SE 6_x86 Update 15 (as delivered in patch 125138-16)
* Java SE 6_x86 Update 15 (as delivered in patch 125139-16 (64bit))
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://www.java.com/en/download/help/5000010800.xml
Note: Sun recommends that sites that have re-hosted the JNLPAppletLauncher update to the current version which is available at:
http://download.java.net/media/applet-launcher/applet-launcher.jar
The vendor's advisory is available at:
http://sunsolve.sun.com/search/document.do?assetkey=1-66-263490-1
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Vendor URL: sunsolve.sun.com/search/document.do?assetkey=1-66-263490-1 (Links to External Site)
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Cause:
Not specified
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Underlying OS:
Linux (Any), UNIX (Solaris - SunOS), Windows (Any)
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Message History:
This archive entry has one or more follow-up message(s) listed below.
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Source Message Contents
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Date: Tue, 4 Aug 2009 20:02:54 -0400
Subject: http://sunsolve.sun.com/search/document.do?assetkey=1-66-263490-1
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263490
JDK and JRE Blacklist Entry for JNLPAppletLauncher Vulnerability
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