January 2006

ID: 00039
Ref: 38/2006
Date: 13 January 2006:14:18:34
Version: 1

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Title: AusCERT Update AU-2006.0002 - Sun Java vulnerability now being exploited in the wild
Abstract: US-CERT reports that the Sun Java vulnerability previously described in AusCERT ESB-2005.0962 is now being actively exploited by enticing users to visit a malicious website. [1][2]
Vendors affected: AusCERT
Operating systems affected: AusCERT
Applications affected: AusCERT

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Title
=====

AusCERT Update AU-2006.0002 - Sun Java vulnerability now being exploited
in the wild

Detail
======

US-CERT reports that the Sun Java vulnerability previously described
in AusCERT ESB-2005.0962 is now being actively exploited by enticing
users to visit a malicious website. [1][2]



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AusCERT Update AU-2006.0002 - [Win][UNIX/Linux]
Sun Java vulnerability now being exploited in the wild
13 January 2006

AusCERT Update Summary
----------------------

Product: Sun Java Runtime Environment (JRE) 5.0 update 3 and prior
Sun Java Runtime Environment (JRE) 1.4.2_08 and prior
Sun Java Runtime Environment (JRE) 1.3.1_15 and prior
Sun Java Development Kit 5.0 update 3 and prior
Sun Java Software Development Kit 1.4.2_08 and prior
Sun Java Software Development Kit 1.3.1_15 and prior
Operating System: Windows
UNIX variants (UNIX, Linux, OSX)
Impact: Execute Arbitrary Code/Commands
Access: Remote/Unauthenticated
CVE Names: CVE-2005-3906

Ref: ESB-2005.0962


OVERVIEW:

US-CERT reports that the Sun Java vulnerability previously described
in AusCERT ESB-2005.0962 is now being actively exploited by enticing
users to visit a malicious website. [1][2]


IMPACT:

When a user visits a webpage hosting a malicious Java applet, the
remote attacker may execute arbitrary code on the user's computer.


MITIGATION:

System administrators are encouraged to check that workstations have
been updated to a non-vulnerable version of the Java Runtime
Environment. The vulnerability is fixed in the following Java versions:

SDK and JRE 1.3.1_16 and later
SDK and JRE 1.4.2_09 and later
JDK and JRE 5.0 Update 4 and later

As always, users should avoid clicking on any links in emails or
instant messages, unless the email was already expected beforehand.


REFERENCES:

[1] US-CERT Current Activity
http://www.us-cert.gov/current/current_activity.html#javaapi

[2] AusCERT ESB-2005.0962
http://www.auscert.org.au/5804

[3] Sun Alert ID 102003
http://sunsolve.sun.com/search/printfriendly.do?assetkey=1-26-102003-1


AusCERT has made every effort to ensure that the information contained
in this document is accurate. However, the decision to use the information
described is the responsibility of each user or organisation. The decision to
follow or act on information or advice contained in this security bulletin is
the responsibility of each user or organisation, and should be considered in
accordance with your organisation's site policies and procedures. AusCERT
takes no responsibility for consequences which may arise from following or
acting on information or advice contained in this security bulletin.



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