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>> Sun Java JRE Web Start JNLP File Processing Remote Buffer Overflow Vulnerability

Title : Sun Java JRE Web Start JNLP File Processing Remote Buffer Overflow Vulnerability
VUPEN ID : VUPEN/ADV-2007-2477
CVE ID : CVE-2007-3655
Rated as : Critical 
Remotely Exploitable : Yes
Locally Exploitable : Yes
Release Date : 2007-07-10


Technical Description    Receive VUPEN Security alerts in a Text format  Receive VUPEN Security alerts in a PDF format  Receive VUPEN Security alerts in an XML format  Receive VUPEN Security notifications by SMS 

A vulnerability has been identified in Sun JRE (Java Runtime Environment), which could be exploited by remote attackers to cause a denial of service or take complete control of an affected system. This issue is caused by a buffer overflow error in the Java Web Start component (javaws.exe) when processing a JNLP file with an overly long "codebase" attribute, which could be exploited by remote attackers to execute arbitrary code by tricking a user into visiting a specially crafted web page.

Affected Products

Sun JRE (Java Runtime Environment) 6 Update 1 and prior
Sun JRE (Java Runtime Environment) 5 Update 11 and prior

Solution

Upgrade to Sun Java JRE 5 Update 12 :
http://java.sun.com/javase/downloads/index_jdk5.jsp

Upgrade to Sun Java JRE 6 Update 2 :
http://java.sun.com/javase/downloads/index.jsp

References

http://www.vupen.com/english/advisories/2007/2477
http://research.eeye.com/html/advisories/published/AD20070705.html

Credits

Vulnerability reported by Daniel Soeder (eEye Digital Securiy).

ChangeLog

2007-07-10 : Initial release

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