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Insecure Library Loading
Highly critical

Sun Java Web Start Untrusted Application Arbitrary File Overwrite

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Release Date:  2007-06-29    Last Update:  2007-07-10    Views:  20,886

Secunia Advisory SA25823

Where:

From remote

Impact:

Security Bypass, Manipulation of data

Solution Status:

Vendor Patch

CVE Reference(s):

Description


A vulnerability has been reported in Sun Java Web Start, which can be exploited by malicious people to bypass certain security restrictions.

The vulnerability is caused due to an error in Java Web Start and can be exploited by an untrusted application to grant itself permissions to overwrite any file that is writable by the user running the application. This can further be exploited to overwrite the user's ".java.policy" file allowing the application to invoke applets or Java Web Start applications.

The vulnerability affects Java Web Start in JDK and JRE 5.0 Update 11 and earlier and Java Web Start in SDK and JRE 1.4.2_13 and earlier for the Windows platform.


Solution:
Apply updates.

Further details available to Secunia VIM customers

Provided and/or discovered by:
John Heasman, NGSSoftware

Original Advisory:
Sun:
http://sunsolve.sun.com/search/document.do?assetkey=1-26-102957-1

NGSSoftware:
http://www.ngssoftware.com/advisories/high-risk-vulnerability-in-java-web-start/

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: Sun Java Web Start Untrusted Application Arbitrary File Overwrite

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