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Document ID: HPSBUX0203-186
Date Loaded: 20020304
Title: Sec. Vulnerability in JAVA JRE
TEXT
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HEWLETT-PACKARD COMPANY SECURITY BULLETIN: #0186,
Originally issued: 4 March 2002
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The information in the following Security Bulletin should be acted
upon as soon as possible. Hewlett-Packard Company will not be
liable for any consequences to any customer resulting from customer's
ailure to fully implement instructions in this Security Bulletin as
soon as possible.
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ISSUE: A vulnerability in the Java(TM) Runtime Environment may allow
an untrusted applet to monitor requests to and responses from
a HTTP proxy server when a persistent connection is used
between a client and a HTTP proxy server.
PLATFORM: HP9000 Series 700/800 running HP-UX releases 10.20 and
11.x only. This security bulletin applies to Java
on HP-UX. It does not cover software shipped on Linux
or Windows/NT.
POSSIBLE RESULT: Restricted resource is accessed improperly.
MANUAL ACTIONS: None
SOLUTION: Install the latest Java releases, as described below.
AVAILABILITY: These fixed releases are on www.hp.com/go/java now.
They are not available from itrc.hp.com
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A. Background
A vulnerability in certain versions of the Java(TM) Runtime
Environment may allow malicious Java applet code to access
restricted resources.
There are no known attacks reported based on this vulnerability
to the best of Sun's knowledge.
B. Fixing the problem
Obtain and install the latest releases of the Java products.
For JDK/JRE 1.1.8, 1.2.2 and JDK/JRE 1.3.0 based releases go to
www.hp.com/go/java.
Section C. 1.) below will guide you in determining your
installed Java version on HP-UX. The vulnerability is
fixed in releases 1.3.1 and higher. Users of 1.3.0.x will
need to update to 1.3.1.
C. Recommended solution
JDK and JRE 1.1.8.06 or higher for HP-UX 10.20.
JDK and JRE 1.2.2.12 or higher for HP-UX 11.x.
JDK and JRE 1.3.1.00 or higher for HP-UX 11.x
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HP-UX: Determining Java version information for JDK, JRE, and JPI
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There are two mechanisms to determine which versions of the Java
JDK/SDK (developer kit), JRE (runtime), or JPI (Java Plugin for
Netscape) you have installed.
First, you can use the following command to list the bundle revisions
for any installed Java products:
/usr/sbin/swlist -l bundle | grep -i java
Second, you can ask Java to identify itself by executing the
following:
<path>/bin/java -version
where path is typically
/opt/java - for Java 1.1
/opt/java1.2 - for Java 1.2
/opt/java1.3 - for Java 1.3
but may be an alternate location as specified during setup.
The plugin (JPI) is installed in user's home directories, so
you will need to check its version using the following.
For Java 1.2:
$HOME/.netscape/java/bin/java -version
For Java 1.1, you must use:
what $HOME/.netscape/java/bin/PA_RISC/green_threads/jre
NOTE: Do not rely on Netscape's Help/About_Plug-ins menu to
find the version number of the Plugin, because in some
cases the version number is incorrect.
a.) Unplugging the Plugin (Since the Plugin is manually
installed into Netscape, it must be manually removed as well.)
If you have a plugin that you wish to remove because it has a
security issue, in addition to doing a swremove of the product
you must also do the following for Java 1.1 and Java 1.2:
rm -f $HOME/.netscape/plugins/javaplugin.sl
rm -rf $HOME/.netscape/java
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D. To subscribe to automatically receive future NEW HP Security
Bulletins from the HP IT Resource Center via electronic
mail, do the following:
Use your browser to get to the HP IT Resource Center page
at:
http://itrc.hp.com
Use the 'Login' tab at the left side of the screen to login
using your ID and password. Use your existing login or the
"Register" button at the left to create a login, in order to
gain access to many areas of the ITRC. Remember to save the
User ID assigned to you, and your password.
In the left most frame select "Maintenance and Support".
Under the "Notifications" section (near the bottom of
the page), select "Support Information Digests".
To -subscribe- to future HP Security Bulletins or other
Technical Digests, click the check box (in the left column)
for the appropriate digest and then click the "Update
Subscriptions" button at the bottom of the page.
or
To -review- bulletins already released, select the link
(in the middle column) for the appropriate digest.
To -gain access- to the Security Patch Matrix, select
the link for "The Security Bulletins Archive". (near the
bottom of the page) Once in the archive the third link is
to the current Security Patch Matrix. Updated daily, this
matrix categorizes security patches by platform/OS release,
and by bulletin topic. Security Patch Check completely
automates the process of reviewing the patch matrix for
11.XX systems.
For information on the Security Patch Check tool, see:
http://www.software.hp.com/cgi-bin/swdepot_parser.cgi/cgi/
displayProductInfo.pl?productNumber=B6834AA"
The security patch matrix is also available via anonymous
ftp:
ftp.itrc.hp.com:~ftp/export/patches/hp-ux_patch_matrix
On the "Support Information Digest Main" page:
click on the "HP Security Bulletin Archive".
E. To report new security vulnerabilities, send email to
Please encrypt any exploit information using the
security-alert PGP key, available from your local key
server, or by sending a message with a -subject- (not body)
Permission is granted for copying and circulating this
Bulletin to Hewlett-Packard (HP) customers (or the Internet
community) for the purpose of alerting them to problems,
if and only if, the Bulletin is not edited or changed in
any way, is attributed to HP, and provided such reproduction
and/or distribution is performed for non-commercial purposes.
Any other use of this information is prohibited. HP is not
liable for any misuse of this information by any third party.
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