Oracle Java Web Start Command Argument Injection Remote Code Execution

TSL ID: TSL20120214-01

1. Affected Software

    Oracle Java Development Kit (JDK) 6 Update 30 and prior
    Oracle Java Development Kit (JDK) 7 Update 2 and prior
    Oracle JavaFX 2.0.2 and prior
    Oracle Java Runtime Environment (JRE) 6 Update 30 and prior
    Oracle Java Runtime Environment (JRE) 7 Update 2 and prior

Reference:
http://www.oracle.com/technetwork/topics/security/javacpufeb2012-366318.html

2. Vulnerability Summary

A Java Web Start vulnerability exists in Oracle Java. The vulnerability can be exploited by remote unauthenticated attackers to execute arbitrary code on a vulnerable system.

3. Vulnerability Analysis

Java Web Start enables the deployment and execution of remote applications on a local system. The instructions for application execution are specified in a Java Network Launching Protocol (JNLP) file. An input validation vulnerability exists during the processing of execution parameters. A remote attacker can exploit this vulnerability by enticing a target user to open a crafted JNLP file. In a successful attack, the attacker can execute arbitrary code within the context of the affected user.

4. Vulnerability Detection

TELUS Security Labs has confirmed the vulnerability in:

    Oracle Java Development Kit (JDK) 6 update 28
    Oracle Java Development Kit (JDK) 6 update 29
    Oracle Java Development Kit (JDK) 6 update 30

5. Workaround

There is no known workaround.

6. Vendor Response

Patches have been made available by the vendor to eliminate this vulnerability:

http://www.oracle.com/technetwork/topics/security/javacpufeb2012-366318.html

7. Disclosure Timeline

  2011-08-23 Vulnerability reported to the vendor
  2011-08-24 Vendor responds. Investigation into vulnerability is underway
  2011-09-22 Vendor updates TSL on internal status
  2011-10-13 Vendor acknowledges error and commits to fix it
  2011-10-13 TSL acknowledges update
  2011-12-27 Vendor commits to release fix in an upcoming CPU
  2012-02-10 Vendor provides advance notice of patch date
  2012-02-10 TSL acknowledges update
  2012-02-14 Vendor releases advisory and patch
  2012-02-14 Published TSL advisory

8. Credits

Vulnerability Research Team, TELUS Security Labs

9. References

  CVE: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-0500

  Vendor:
http://www.oracle.com/technetwork/topics/security/javacpufeb2012-366318.html

  http://telussecuritylabs.com/threats/show/TSL20120214-01

10. About TELUS Security Labs

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