Criticality Level: Extremely Critical

Description

This Security Alert addresses security issues CVE-2013-0422 (US-CERT Alert TA13-010A – Oracle Java 7 Security Manager Bypass Vulnerability) and another vulnerability affecting Java running in web browsers. These vulnerabilities are not applicable to Java running on servers, standalone Java desktop applications or embedded Java applications. They also do not affect Oracle server-based software.

The fixes in this Alert include a change to the default Java Security Level setting from “Medium” to “High”. With the “High” setting, the user is always prompted before any unsigned Java applet or Java Web Start application is run.

These vulnerabilities may be remotely exploitable without authentication, i.e., they may be exploited over a network without the need for a username and password. To be successfully exploited, an unsuspecting user running an affected release in a browser will need to visit a malicious web page that leverages these vulnerabilities. Successful exploits can impact the availability, integrity, and confidentiality of the user’s system.

Due to the severity of these vulnerabilities, the public disclosure of technical details and the reported exploitation of CVE-2013-0422 “in the wild,” Oracle strongly recommends that customers apply the updates provided by this Security Alert as soon as possible.

Supported Products Affected

The security vulnerabilities addressed by this Security Alert affect the products listed in the categories below.  Please click on the link in the Patch Availability column or in the Patch Availability Table to access the documentation for those patches.

Affected product releases and versions:

Java SE	Patch Availability
JDK and JRE 7 Update 10 and earlier	Java SE

Note: JDK and JRE 6, 5.0 and 1.4.2, and Java SE Embedded JRE releases are not affected.

Patch Availability Table and Risk Matrix

Java SE fixes in this Security Alert are cumulative; this latest update includes all fixes from previous Critical Patch Updates and Security Alerts.

Patch Availability Table

Product Group	Risk Matrix	Patch Availability and Installation Information
Oracle Java SE	Oracle JDK and JRE Risk Matrix	Oracle Security Alert for CVE-2013-0422 My Oracle Support Note 1519244.1. Developers can download the latest Java SE JDK and JRE 7 releases fromhttp://www.oracle.com/technetwork/java/javase/downloads/index.html. Users running Java SE with a browser can download the latest JRE 7 release from http://java.com/.Users on the Windows platform can also use automatic updates to get the latest JRE 7 release.

Credit Statement

The following people or organizations reported security vulnerabilities addressed by this Security Alert to Oracle: Ben Murphy via TippingPoint.

References

• Oracle Critical Patch Updates and Security Alerts main page [ Oracle Technology Network ]
• Oracle Critical Patch Updates and Security Alerts – Frequently Asked Questions [ CPU FAQ ]
• Risk Matrix definitions [ Risk Matrix Definitions ]
• Use of Common Vulnerability Scoring System (CVSS) by Oracle [ Oracle CVSS Scoring ]
• English text version of risk matrix [ Oracle Technology Network ]
• CVRF XML version of the risk matrix [ Oracle Technology Network ]
• Previous Security Advisories for Java SE and Java for Business Security Updates [ Java Sun Alerts Archive Page ]

Modification History

Date	Comments
2013-January 13	Rev 1. Initial Release