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Vulnerability Note VU#102289

Sun Java JRE vulnerable to privilege escalation

Overview

A vulnerability in the Sun Java Runtime Environment may allow a malicious applet to gain elevated privileges.

I. Description

The Sun Java Runtime Environment (JRE) allows users to run Java applications in a browser or as standalone programs. Sun has made the JRE available for multiple operating systems.

Per Sunsolve Document ID 102731:

    Two vulnerabilities related to serialization in the Java Runtime Environment may independently allow an untrusted applet or application to elevate its privileges.

II. Impact

An attacker may be able to run a Java applet on a vulnerable system with elevated privileges.

III. Solution

Upgrade
Sun has released an upgrade to address this issue. See Sunsolve Document ID 102731 for more details. To adjust the JRE update settings, see the update section of the Java deployment guide.


Disable Java

Disabling the Java browser plugin may prevent a malicious webpage from exploiting this vulnerability. See the Securing Your Web Browser for instructions on how to disable Java in your browser.

Systems Affected

VendorStatusDate NotifiedDate Updated
Apple Computer, Inc.Unknown18-Jan-2007
Sun Microsystems, Inc.Vulnerable9-Jan-2007

References


http://secunia.com/advisories/23445/
http://sunsolve.sun.com/search/document.do?assetkey=1-26-102731-1
http://secunia.com/advisories/23803/
http://java.sun.com/j2se/1.5.0/docs/guide/deployment/deployment-guide/jcp.html#update
http://secunia.com/advisories/23835/
http://www.securityfocus.com/bid/21673
http://secunia.com/advisories/24189/
http://secunia.com/advisories/24468/
http://secunia.com/advisories/25283/

Credit

Sun thanks Tom Hawtin for reporting this vulnerability.

This document was written by Ryan Giobbi.

Other Information

Date Public:2006-12-20
Date First Published:2007-01-09
Date Last Updated:2007-05-16
CERT Advisory: 
CVE-ID(s):CVE-2006-6745
NVD-ID(s):CVE-2006-6745
US-CERT Technical Alerts: 
Metric:29.24
Document Revision:41

If you have feedback, comments, or additional information about this vulnerability, please send us email.
 

 
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