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Category:   Application (Generic)  >   Java Runtime Environment (JRE) Vendors:   Sun
(Red Hat Issues Fix) Java Runtime Environment Font Parsing Bug Lets Remote Applets Gain Elevated Privileges
SecurityTracker Alert ID:  1019088
SecurityTracker URL:  http://securitytracker.com/id/1019088
CVE Reference:   CVE-2007-4381   (Links to External Site)
Date:  Dec 12 2007
Impact:   Disclosure of system information, Disclosure of user information, Execution of arbitrary code via network, Modification of user information, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 5.0 Update 9 and prior versions
Description:   A vulnerability was reported in Java Runtime Environment (JRE). A remote user can cause arbitrary code to be executed on the target user's system.

A remote user can create a specially crafted Java applet that, when loaded by the target user, will trigger an error in the font parsing code and run with elevated privileges. The applet can read and write files on the target user's system or execute applications on the target user's system with the privileges of the target user.

John Heasman of NGSSoftware reported this vulnerability.
Impact:   A remote user can create Java that, when loaded by the target user, will read or write files and execute code on the target user's system.
Solution:   Red Hat has released a fix for java-1.4.2-bea.

The Red Hat advisory is available at:

https://rhn.redhat.com/errata/RHSA-2007-1086.html
Vendor URL:  sunsolve.sun.com/search/document.do?assetkey=1-26-103024-1 (Links to External Site)
Cause:   Not specified
Underlying OS:   Linux (Red Hat Enterprise)

Message History:   This archive entry is a follow-up to the message listed below.
Aug 16 2007 Java Runtime Environment Font Parsing Bug Lets Remote Applets Gain Elevated Privileges


 Source Message Contents
Date:  Wed, 12 Dec 2007 07:34:25 -0500
Subject:  [RHSA-2007:1086-01] Moderate: java-1.4.2-bea security update


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

- ---------------------------------------------------------------------
                   Red Hat Security Advisory

Synopsis:          Moderate: java-1.4.2-bea security update
Advisory ID:       RHSA-2007:1086-01
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2007-1086.html
Issue date:        2007-12-12
Updated on:        2007-12-12
Product:           Red Hat Enterprise Linux Extras
Keywords:          Security
CVE Names:         CVE-2007-4381 CVE-2007-2788 CVE-2007-2789 
                   CVE-2007-3004 CVE-2007-3005 CVE-2007-3698 
- ---------------------------------------------------------------------

1. Summary:

Updated java-1.4.2-bea packages that correct several security issues and
add enhancements are now available for Red Hat Enterprise Linux 4 Extras.

This update has been rated as having moderate security impact by the Red
Hat Security Response Team.

2. Relevant releases/architectures:

Red Hat Enterprise Linux AS version 4 Extras - i386, ia64, x86_64
Red Hat Desktop version 4 Extras - i386, x86_64
Red Hat Enterprise Linux ES version 4 Extras - i386, ia64, x86_64
Red Hat Enterprise Linux WS version 4 Extras - i386, ia64, x86_64

3. Problem description:

The BEA WebLogic JRockit 1.4.2_15 JRE and SDK contain BEA WebLogic JRockit
Virtual Machine 1.4.2_15 and are certified for the Java 2 Platform,
Standard Edition, v1.4.2. 

A buffer overflow in the Java Runtime Environment image handling code was
found. If an attacker is able to cause a server application to process a
specially crafted image file, it may be possible to execute arbitrary code
as the user running the Java Virtual Machine. (CVE-2007-2788,
CVE-2007-2789, CVE-2007-3004)

A denial of service flaw was discovered in the Java Applet Viewer. An
untrusted Java applet could cause the Java Virtual Machine to become
unresponsive. Please note that the BEA WebLogic JRockit 1.4.2_15 does not
ship with a browser plug-in and therefore this issue could only be
triggered by a user running the "appletviewer" application. (CVE-2007-3005) 

A denial of service flaw was found in the way the JSSE component processed
SSL/TLS handshake requests. A remote attacker able to connect to a JSSE
enabled service could send a specially crafted handshake which would cause
the Java Runtime Environment to stop responding to future requests.
(CVE-2007-3698) 

A flaw was found in the way the Java Runtime Environment processes font
data. An applet viewed via the "appletviewer" application could elevate
its privileges, allowing the applet to perform actions with the same
permissions as the user running the "appletviewer" application. It may also
be possible to crash a server application which processes untrusted font
information from a third party. (CVE-2007-4381)

All users of java-1.4.2-bea should upgrade to these updated packages, which
contain the BEA WebLogic JRockit 1.4.2_15 release that resolves these
issues.

4. Solution:

Before applying this update, make sure that all previously-released
errata relevant to your system have been applied.  

This update is available via Red Hat Network.  Details on how to use 
the Red Hat Network to apply this update are available at
http://kbase.redhat.com/faq/FAQ_58_10188

5. Bug IDs fixed (http://bugzilla.redhat.com/):

242595 - CVE-2007-3004 Integer overflow in IBM JDK's ICC profile parser
249539 - CVE-2007-3698 Java Secure Socket Extension Does Not Correctly Process SSL/TLS Handshake Requests Resulting in a Denial of
 Service (DoS) Condition
250725 - CVE-2007-2788 Integer overflow in the embedded ICC profile image parser in Sun Java Development Kit
250729 - CVE-2007-2789  BMP image parser vulnerability
250733 - CVE-2007-3005 Unspecified vulnerability in Sun JRE
253488 - CVE-2007-4381 Vulnerability in the font parsing code

6. RPMs required:

Red Hat Enterprise Linux AS version 4 Extras:

i386:
d8cbe20d5a32d32391592ba4704b020f  java-1.4.2-bea-1.4.2.15-1jpp.2.el4.i686.rpm
464dc0cbbf0c6d8ddc2a5edcc65741d4  java-1.4.2-bea-devel-1.4.2.15-1jpp.2.el4.i686.rpm
25596b8fe33e153758c88dc21e510130  java-1.4.2-bea-jdbc-1.4.2.15-1jpp.2.el4.i686.rpm

ia64:
f9ce3d2854c5fa08d187c9c65f21592e  java-1.4.2-bea-1.4.2.15-1jpp.2.el4.ia64.rpm
9a3612a0755f2e602b9aefba7bb26494  java-1.4.2-bea-devel-1.4.2.15-1jpp.2.el4.ia64.rpm
0604fd1a920520ed1ec52c2ddcccda33  java-1.4.2-bea-jdbc-1.4.2.15-1jpp.2.el4.ia64.rpm

x86_64:
d8cbe20d5a32d32391592ba4704b020f  java-1.4.2-bea-1.4.2.15-1jpp.2.el4.i686.rpm
464dc0cbbf0c6d8ddc2a5edcc65741d4  java-1.4.2-bea-devel-1.4.2.15-1jpp.2.el4.i686.rpm

Red Hat Desktop version 4 Extras:

i386:
d8cbe20d5a32d32391592ba4704b020f  java-1.4.2-bea-1.4.2.15-1jpp.2.el4.i686.rpm
464dc0cbbf0c6d8ddc2a5edcc65741d4  java-1.4.2-bea-devel-1.4.2.15-1jpp.2.el4.i686.rpm
25596b8fe33e153758c88dc21e510130  java-1.4.2-bea-jdbc-1.4.2.15-1jpp.2.el4.i686.rpm

x86_64:
d8cbe20d5a32d32391592ba4704b020f  java-1.4.2-bea-1.4.2.15-1jpp.2.el4.i686.rpm
464dc0cbbf0c6d8ddc2a5edcc65741d4  java-1.4.2-bea-devel-1.4.2.15-1jpp.2.el4.i686.rpm

Red Hat Enterprise Linux ES version 4 Extras:

i386:
d8cbe20d5a32d32391592ba4704b020f  java-1.4.2-bea-1.4.2.15-1jpp.2.el4.i686.rpm
464dc0cbbf0c6d8ddc2a5edcc65741d4  java-1.4.2-bea-devel-1.4.2.15-1jpp.2.el4.i686.rpm
25596b8fe33e153758c88dc21e510130  java-1.4.2-bea-jdbc-1.4.2.15-1jpp.2.el4.i686.rpm

ia64:
f9ce3d2854c5fa08d187c9c65f21592e  java-1.4.2-bea-1.4.2.15-1jpp.2.el4.ia64.rpm
9a3612a0755f2e602b9aefba7bb26494  java-1.4.2-bea-devel-1.4.2.15-1jpp.2.el4.ia64.rpm
0604fd1a920520ed1ec52c2ddcccda33  java-1.4.2-bea-jdbc-1.4.2.15-1jpp.2.el4.ia64.rpm

x86_64:
d8cbe20d5a32d32391592ba4704b020f  java-1.4.2-bea-1.4.2.15-1jpp.2.el4.i686.rpm
464dc0cbbf0c6d8ddc2a5edcc65741d4  java-1.4.2-bea-devel-1.4.2.15-1jpp.2.el4.i686.rpm

Red Hat Enterprise Linux WS version 4 Extras:

i386:
d8cbe20d5a32d32391592ba4704b020f  java-1.4.2-bea-1.4.2.15-1jpp.2.el4.i686.rpm
464dc0cbbf0c6d8ddc2a5edcc65741d4  java-1.4.2-bea-devel-1.4.2.15-1jpp.2.el4.i686.rpm
25596b8fe33e153758c88dc21e510130  java-1.4.2-bea-jdbc-1.4.2.15-1jpp.2.el4.i686.rpm

ia64:
f9ce3d2854c5fa08d187c9c65f21592e  java-1.4.2-bea-1.4.2.15-1jpp.2.el4.ia64.rpm
9a3612a0755f2e602b9aefba7bb26494  java-1.4.2-bea-devel-1.4.2.15-1jpp.2.el4.ia64.rpm
0604fd1a920520ed1ec52c2ddcccda33  java-1.4.2-bea-jdbc-1.4.2.15-1jpp.2.el4.ia64.rpm

x86_64:
d8cbe20d5a32d32391592ba4704b020f  java-1.4.2-bea-1.4.2.15-1jpp.2.el4.i686.rpm
464dc0cbbf0c6d8ddc2a5edcc65741d4  java-1.4.2-bea-devel-1.4.2.15-1jpp.2.el4.i686.rpm

These packages are GPG signed by Red Hat for security.  Our key and 
details on how to verify the signature are available from
https://www.redhat.com/security/team/key/#package

7. References:

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-4381
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-2788
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-2789
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-3004
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-3005
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-3698
http://dev2dev.bea.com/pub/advisory/249
http://dev2dev.bea.com/pub/advisory/248
http://www.redhat.com/security/updates/classification/#moderate

8. Contact:

The Red Hat security contact is <secalert@redhat.com>.  More contact
details at https://www.redhat.com/security/team/contact/

Copyright 2007 Red Hat, Inc.
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