Oracle Java Runtime Environment sandbox code execution

oracle-jre-sandbox-code-exec (77972) The risk level is classified as HighHigh Risk

Description:

Oracle Java Runtime Environment could allow a remote attacker to execute arbitrary code on the system. By persuading a victim to visit a specially-crafted Web site containing a malicious Java applet, an attacker could exploit this vulnerability to bypass sandbox restrictions to download and execute arbitrary code outside the sandbox.

*CVSS:

Base Score: 9.3
  Access Vector: Network
  Access Complexity: Medium
  Authentication: None
  Confidentiality Impact: Complete
  Integrity Impact: Complete
  Availability Impact: Complete
 
Temporal Score: 7.7
  Exploitability: Functional
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Gain Access

Remedy:

Refer to Oracle Security Alert for CVE-2012-4681 for patch, upgrade, or suggested workaround information. See References.

For other distributions:
Contact your vendor for patch or upgrade information.

References:

  • EDB-ID: 20865: Java 7 Applet Remote Code Execution.
  • FireEye Malware Intelligence Lab Blog - 2012.08.26: Zero-Day Season is Not Over Yet.
  • IBM Security Alerts: Oracle August 2012 Security Alert.
  • IBM Security Protection Alert 454: Oracle Java Runtime Environment Sandbox Code Execution.
  • Oracle Web site: Oracle Security Alert for CVE-2012-4681.
  • Packet Storm Web site: Java 7 Applet Remote Code Execution.
  • SecurityStreet Metasploit Blog - Aug 27, 2012 3:36:09 AM: Let's start the week with a new Java 0day.
  • BID-55213: Oracle Java Runtime Environment Remote Code Execution Vulnerability
  • CVE-2012-4681: Multiple vulnerabilities in the Java Runtime Environment (JRE) component in Oracle Java SE 7 Update 6 and earlier allow remote attackers to execute arbitrary code via a crafted applet that bypasses SecurityManager restrictions by (1) using com.sun.beans.finder.ClassFinder.findClass and leveraging an exception with the forName method to access restricted classes from arbitrary packages such as sun.awt.SunToolkit, then (2) using reflection with a trusted immediate caller to leverage the getField method to access and modify private fields, as exploited in the wild in August 2012 using Gondzz.class and Gondvv.class.
  • RHSA-2012-1223: Important: java-1.7.0-openjdk security update
  • RHSA-2012-1225: Critical: java-1.7.0-oracle security update
  • RHSA-2012-1289: Critical: java-1.7.0-ibm security update
  • SA50133: Oracle Java Unspecified Code Execution Vulnerability
  • SA50545: Apple Mac OS X update for Java
  • SA50607: IBM Java 7 Multiple Vulnerabilities
  • US-CERT VU#636312: Oracle Java JRE 1.7 Expression.execute() and SunToolkit.getField() fail to restrict access to privileged code

Platforms Affected:

  • IBM Java 7.0
  • Oracle JRE 1.7.0 Update6
  • RedHat Enterprise Linux 6 Server
  • RedHat Enterprise Linux 6 Workstation
  • RedHat Enterprise Linux Desktop 6
  • RedHat Enterprise Linux Desktop Supplementary 6
  • RedHat Enterprise Linux HPC Node 6
  • RedHat Enterprise Linux HPC Node Supplementary 6
  • RedHat Enterprise Linux Server Supplementary 6
  • RedHat Enterprise Linux Workstation Supplementary 6

Reported:

Aug 27, 2012

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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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