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Oracle Java Web Start Remote Code Execution

Oracle Java Web Start Remote Code Execution
Posted Feb 16, 2012
Authored by TELUS Security Labs | Site telussecuritylabs.com

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.

tags | advisory, java, remote, web, arbitrary
advisories | CVE-2012-0500
SHA-256 | a9f20f8af75e64dcb02cb2bdaa029132cb9ba5d1cd5919657bca7c33647845c5

Oracle Java Web Start Remote Code Execution

Change Mirror Download
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

TELUS Security Labs, formerly Assurent Secure Technologies, is the leading provider of security research. Our research services include:

* Vulnerability Research
* Malware Research
* Signature Development
* Shellcode Exploit Development
* Application Protocols
* Product Security Testing
* Security Content Development (parsers, reports, alerts)

TELUS Security Labs provides a specialized portfolio of services to assist security product vendors with newly discovered commercial product vulnerabilities and malware attacks. Many of our services are provided on a subscription basis to reduce research costs for our customers. Over 50 of the world's leading security product vendors rely on TELUS Security Labs research.

http://telussecuritylabs.com
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