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This Security Alert addresses security issues CVE-2012-4681 (US-CERT Alert TA12-240A and Vulnerability Note VU#636312) and two other vulnerabilities affecting Java running in web browsers on desktops. These vulnerabilities are not applicable to Java running on servers or standalone Java desktop applications. They also do not affect Oracle server-based software.
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 this vulnerability. Successful exploits can impact the availability, integrity, and confidentiality of the user's system.
In addition, this Security Alert includes a security-in-depth fix in the AWT subcomponent of the Java Runtime Environment.
Due to the severity of these vulnerabilities, the public disclosure of technical details and the reported exploitation of CVE-2012-4681 "in the wild," Oracle strongly recommends that customers apply the updates provided by this Security Alert as soon as possible.
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.
Note: 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: Adam Gowdiak of Security Explorations; and James Forshaw (tyranid) via TippingPoint.
|2012-August-30||Rev 1. Initial Release|
This Security Alert contains 3 new security vulnerability fixes and 1 new security-in-depth fix for Oracle Java SE. The three 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.
|CVE#||Component||Protocol||Sub-component||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-2012-4681||Java Runtime Environment||Multiple||Beans||Yes||10.0||Network||Low||None||Complete||Complete||Complete||7 Update 6 and before||See Note 1|
|CVE-2012-1682||Java Runtime Environment||Multiple||Beans||Yes||10.0||Network||Low||None||Complete||Complete||Complete||7 Update 6 and before||See Note 1|
|CVE-2012-3136||Java Runtime Environment||Multiple||Beans||Yes||10.0||Network||Low||None||Complete||Complete||Complete||7 Update 6 and before||See Note 1|
|CVE-2012-0547||Java Runtime Environment||Multiple||AWT||Yes||0.0||Network||Low||None||None||None||None||7 Update 6 and before, 6 Update 34 and before||See Note 2|