Note: This is an archival copy of Security Sun Alert 201372 as previously published on http://sunsolve.sun.com.|
Latest version of this security advisory is available from http://support.oracle.com as Sun Alert 1001045.1.
Java 2 Platform, Standard Edition
6263857, 6277266, 6277659
Date of Resolved Release
Three (3) security vulnerabilities with the use of "reflection" APIs in the Java Runtime Environment (JRE) may (independently) allow an untrusted applet to elevate its privileges. For example, an untrusted 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 these issues to our attention.
The first issue can occur in the following releases (for Windows, Solaris and Linux):
The second and third issues can occur in the following releases (for Windows, Solaris and Linux):
Note: SDK and JRE 1.3.1_xx and earlier are not affected for the second and third issues.
To determine the default version of the JRE on a system:
For Solaris and Linux:
% java -fullversion java full version "1.5.0_02-b09"
Click "Start" on the desktop menu
Select "Run" from the menu panel
Type "cmd" and click "OK"
At the prompt, type "java -fullversion"
Note: The above commands only determine the default version. Other versions may also be installed on the system.
There are no reliable symptoms that would indicate the described issues have been exploited.
There is no workaround for this issue. Please see the Resolution section below.
The first issue is addressed in the following releases:
The second and third issues are addressed in the following releases:
J2SE 1.4.2 is available for download at http://java.sun.com/j2se/1.4.2/download.html
J2SE 5.0 is available for download at http://java.sun.com/j2se/1.5.0/download.jsp
and at http://java.com
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.
This solution has no attachment