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Insecure Library Loading
Highly critical

Sun Java Web Start JNLP File Processing Buffer Overflow

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Release Date:  2007-07-10    Last Update:  2007-07-11    Views:  25,416

Secunia Advisory SA25981

Where:

From remote

Impact:

System access

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 compromise a user's system.

The vulnerability is caused due to a boundary error within the Java Web Start component (javaws.exe) when processing JNLP files. This can be exploited to cause a stack-based buffer overflow via a specially crafted JNLP file with an overly long codebase attribute.

Successful exploitation allows execution of arbitrary code e.g. when a user visits a malicious website.

The vulnerability is reported in the following versions:
* JRE and JDK 6 Update 1 and earlier
* JRE and JDK 5 Update 11, and earlier


Solution:
Apply updates.

Further details available to Secunia VIM customers

Provided and/or discovered by:
Daniel Soeder, eEye Digital Security

The vendor also credits Brett Moore.

Original Advisory:
Sun:
http://sunsolve.sun.com/search/document.do?assetkey=1-26-102996-1

eEye:
http://research.eeye.com/html/advisories/published/AD20070705.html

http://lists.grok.org.uk/pipermail/full-disclosure/2007-July/064552.html

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 JNLP File Processing Buffer Overflow

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