Note: This is an archival copy of Security Sun Alert 200688 as previously published on http://sunsolve.sun.com.
Latest version of this security advisory is available from http://support.oracle.com as Sun Alert 1000543.1.
Article ID : 1000543.1
Article Type : Sun Alerts (SURE)
Last reviewed : 2006-11-06
Audience : PUBLIC
Copyright Notice: Copyright © 2010, Oracle Corporation and/or its affiliates.

Security Vulnerabilities in the Java Runtime Environment may Allow an Untrusted Applet to Elevate its Privileges

Category
Security

Release Phase
Resolved

Product
Java 2 Platform, Standard Edition

Bug Id
6277246, 6316316, 6316314, 6316322, 6343309, 6343350, 6343342

Date of Resolved Release
07-FEB-2006

Impact

Seven (7) vulnerabilities with the use of "reflection" APIs in the Java Runtime Environment may independently allow an untrusted applet to elevate its privileges. For example an applet may grant itself permissions to read and write local files or execute local applications that are accessible to the user running the untrusted applet.

Sun acknowledges, with thanks, Adam Gowdiak, for bringing five of the seven issues to our attention.


Contributing Factors

The first issue can occur in the following releases (for Windows, Solaris and Linux):

  • JDK and JRE 5.0 Update 3 and earlier
  • SDK and JRE 1.4.2_08 and earlier
  • SDK and JRE 1.3.1_16 and earlier

The second and third issues can occur in the following releases (for Windows, Solaris, and Linux):

  • JDK and JRE 5.0 Update 4 and earlier
  • SDK and JRE 1.4.2_09 and earlier

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

The fourth issue can occur in the following releases (for Windows, Solaris, and Linux):

  • JDK and JRE 5.0 Update 4 and earlier

Note: SDK and JRE 1.4.x and 1.3.x are not affected.

The fifth, sixth, and seventh issues can occur in the following releases (for Windows, Solaris, and Linux):

  • JDK and JRE 5.0 Update 5 and earlier

Note: SDK and JRE 1.4.x and 1.3.x are not affected.

To determine the default version of the JRE on a system:

For Windows:

  1. Click "Start"
  2. Select "Run"
  3. Type "cmd"
  4. At the prompt, type "java -fullversion"

For Solaris and Linux:

    % java -fullversion
java full version "1.5.0_02-b09"

Note: The above command only determines the default version. Other versions may also be installed on the system.


Symptoms

There are no reliable symptoms that would show the described issues have been exploited.


Workaround

There is no workaround. Please see the "Resolution" section below.


Resolution

The first issue is addressed in the following releases:

  • JDK and JRE 5.0 Update 4 and later
  • SDK and JRE 1.4.2_09 and later
  • SDK and JRE 1.3.1_17 and later

The second and third issues are addressed in the following releases:

  • JDK and JRE 5.0 Update 5 and later
  • SDK and JRE 1.4.2_10 and later

The fourth issue is addressed in the following releases:

  • JDK and JRE 5.0 Update 5 and later

The fifth, sixth, and seventh issues are addressed in the following releases:

  • JDK and JRE 5.0 Update 6 and later

J2SE 5.0 is available for download at:

J2SE 1.4.2 is available for download at:

Note: It is recommended that affected versions be removed from your system. For more information, please see the installation notes on the respective java.sun.com download pages.
















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