Note: This is an archival copy of Security Sun Alert 233321 as previously published on http://sunsolve.sun.com.|
Latest version of this security advisory is available from http://support.oracle.com as Sun Alert 1019016.1.
Date of Resolved Release
Two Security Vulnerabilities in the Java Runtime Environment Virtual Machine
1. ImpactTwo security vulnerabilities in the Java Runtime Environment Virtual Machine may independently 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 the first issue to our attention.
2. Contributing FactorsThe first issue can occur in the following releases (for Windows, Solaris,and Linux):
The second issue can occur in the following releases (for Windows, Solaris, and Linux):
To determine the default version of the 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 such as the following:
Java(TM) Plug-in 1.5.0_11-b03
The above indicates the version of the JRE the browser uses is 1.5.0_11.
3. SymptomsThere are no predictable symptoms that would indicate that the above issues are being exploited.
4. WorkaroundThere is no workaround for these issues. Please see the Resolution section below.
5. ResolutionThe first issue is addressed in the following releases (for Windows, Solaris, and Linux):
JDK and JRE 6 Update 5 is available for download at the following links:
JRE 6 Update 5 is available through the Java Update Tool for Microsoft Windows users.
JDK 6 Update 5 for Solaris is available in the following patches:
JDK 5.0 Update 15 for Solaris is available in the following patches:
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:
For more information on Security Sun Alerts, see 1009886.1.
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Sun Java Standard Edition (Java SE)
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