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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.
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.
|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.
Java SE fixes in this Security Alert are cumulative; this latest update includes all fixes from previous Critical Patch Updates and Security Alerts.
|Product Group||Risk Matrix||Patch Availability and Installation Information|
|Oracle Java SE||Oracle JDK and JRE Risk Matrix||
The following people or organizations reported security vulnerabilities addressed by this Security Alert to Oracle: Ben Murphy via TippingPoint.
|2013-January 13||Rev 1. Initial Release|
This Security Alert contains 2 new security fixes for Oracle Java SE. Both of these vulnerabilities may be remotely exploitable without authentication, i.e., may be exploited over a network without the need for a username and password. The English text form of this Risk Matrix can be found here.
The CVSS scores below assume that a user running a Java applet or Java Web Start application has administrator privileges (typical on Windows). When the user does not run with administrator privileges (typical on Solaris and Linux), the corresponding CVSS impact scores for Confidentiality, Integrity, and Availability are "Partial" instead of "Complete", lowering the CVSS Base Score. For example, a Base Score of 10.0 becomes 7.5.
|CVE#||Component||Protocol||Subcomponent||Remote Exploit without Auth.?||CVSS VERSION 2.0 RISK (see Risk Matrix Definitions)||Supported Versions Affected||Notes|
|Base Score||Access Vector||Access Complexity||Authentication||Confidentiality||Integrity||Availability|
|CVE-2012-3174||Java Runtime Environment||Multiple||Libraries||Yes||10.0||Network||Low||None||Complete||Complete||Complete||7 Update 10 and earlier||See Note 1|
|CVE-2013-0422||Java Runtime Environment||Multiple||Libraries||Yes||10.0||Network||Low||None||Complete||Complete||Complete||7 Update 10 and earlier||See Note 1|