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Category:   Application (Generic)  >   Oracle Java SE Vendors:   Sun
Java Runtime Environment Applet Class Loader Bug Lets Remote Users Connect to Localhost Sockets
SecurityTracker Alert ID:  1018428
SecurityTracker URL:  http://securitytracker.com/id/1018428
CVE Reference:   CVE-2007-3922   (Links to External Site)
Updated:  Aug 6 2007
Original Entry Date:  Jul 19 2007
Impact:   Host/resource access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in Java Runtime Environment (JRE). A remote user can connect to sockets on the localhost interface.

A remote user can create a specially crafted Java spplet that, when loaded by the target user, will be able to connect to localhost sockets on the target system.

The vulnerability resides in the JRE Applet Class Loader.

Sun credits John Heasman of NGSSoftware with reporting this vulnerability.

Impact:   A remote user can create an applet that, when loaded by the target user, can establish network connections to localhost sockets.
Solution:   Sun has issued the following fixes.

* JDK and JRE 6 Update 2 or later
* JDK and JRE 5.0 Update 12 or later
* SDK and JRE 1.4.2_15 or later

Java SE 6 Update 2 is available for download at:

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

Java SE 6 Update 2 for Solaris is available in the following patches:

* Java SE 6: update 2 (as delivered in patch 125136-02 or later)
* Java SE 6: update 2 (as delivered in patch 125137-02 or later (64bit))
* Java SE 6_x86: update 2 (as delivered in patch 125138-02 or later)
* Java SE 6_x86: update 2 (as delivered in patch 125139-02 or later (64bit))

Java SE 5.0 Update 12 is available for download at:

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

Java SE 5.0 Update 12 for Solaris is available in the following patches:

* Java SE 5.0: update 12 (as delivered in patch 118666-12 or later)
* Java SE 5.0: update 12 (as delivered in patch 118667-12 or later (64bit))
* Java SE 5.0_x86: update 12 (as delivered in patch 118668-12 or later)
* Java SE 5.0_x86: update 12 (as delivered in patch 118669-12 or later (64bit))

SDK and JRE 1.4.2_15 is available for download at:

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

The Sun advisory is available at:

http://sunsolve.sun.com/search/document.do?assetkey=1-26-102995-1

Vendor URL:  sunsolve.sun.com/search/document.do?assetkey=1-26-102995-1 (Links to External Site)
Cause:   Access control error
Underlying OS:  Linux (Any), UNIX (Solaris - SunOS), Windows (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Aug 6 2007 (Red Hat Issues Fix) Java Runtime Environment Applet Class Loader Bug Lets Remote Users Connect to Localhost Sockets
Red Hat has released a fix for java-1.5.0 on Red Hat Enterprise Linux Extras.
Aug 8 2007 (Red Hat Issues Fix for java-ibm) Java Runtime Environment Applet Class Loader Bug Lets Remote Users Connect to Localhost Sockets
Red Hat has released a fix for java-1.5.0-ibm on Red Hat Enterprise Linux Extras 4 and 5.
Nov 14 2007 (HP Issues Fix for OpenView Operations) Java Runtime Environment Applet Class Loader Bug Lets Remote Users Connect to Localhost Sockets
HP has issued a fix for OpenView Operations
Jun 24 2008 (Red Hat Issues Fix) Java Runtime Environment Applet Class Loader Bug Lets Remote Users Connect to Localhost Sockets
Red Hat has released a fix for Red Hat Enterprise Linux 2.1.
Feb 25 2009 (HP Issues Fix for OpenView) Java Runtime Environment Applet Class Loader Bug Lets Remote Users Connect to Localhost Sockets
HP has issued a fix for HP OpenView Network Node Manager.



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