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Category:   Application (Generic)  >   IcedTea Vendors:   IcedTea Project
(Red Hat Issues Fix) IcedTea-Web Bugs Let Remote Users Determine the Home Directory Path and Manipulate the Security Warning Dialog
SecurityTracker Alert ID:  1025855
SecurityTracker URL:  http://securitytracker.com/id/1025855
CVE Reference:   CVE-2011-2513, CVE-2011-2514   (Links to External Site)
Date:  Jul 27 2011
Impact:   Disclosure of system information, Disclosure of user information, Modification of system information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 1.0 prior to 1.0.4, 1.1 prior to 1.1.1
Description:   Two vulnerabilities were reported in IcedTea-Web. A remote user can determine the home directory path. A remote user can manipulate the Java Web Start security warning dialog.

A remote unsigned Java Web Start application or Java applet can exploit a flaw in the Java Network Launching Protocol (JNLP) implementation to determine the path to the cache directory used to store downloaded Java class and archive files, which may disclose the user's login name [CVE-2011-2513].

A remote unsigned Java Web Start application can exploit a flaw in the JNLP implementation to manipulate the content of a Security Warning dialog box [CVE-2011-2514]. The remote user may be able to cause the target user to unintentionally grant the application access permissions to local files.

Omair Majid reported these vulnerabilities.

Impact:   A remote user can determine the home directory path.

A remote user can manipulate the Java Web Start security warning dialog.

Solution:   Red Hat has issued a fix.

The Red Hat advisory is available at:

https://rhn.redhat.com/errata/RHSA-2011-1100.html

Vendor URL:  icedtea.classpath.org/wiki/Main_Page (Links to External Site)
Cause:   Access control error
Underlying OS:  Linux (Red Hat Enterprise)
Underlying OS Comments:  6

Message History:   This archive entry is a follow-up to the message listed below.
Jul 27 2011 IcedTea-Web Bugs Let Remote Users Determine the Home Directory Path and Manipulate the Security Warning Dialog



 Source Message Contents

Subject:  [RHSA-2011:1100-01] Moderate: icedtea-web security update

-----BEGIN PGP SIGNED MESSAGE-----
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=====================================================================
                   Red Hat Security Advisory

Synopsis:          Moderate: icedtea-web security update
Advisory ID:       RHSA-2011:1100-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2011-1100.html
Issue date:        2011-07-27
CVE Names:         CVE-2011-2513 CVE-2011-2514 
=====================================================================

1. Summary:

Updated icedtea-web packages that fix two security issues are now available
for Red Hat Enterprise Linux 6.

The Red Hat Security Response Team has rated this update as having moderate
security impact. Common Vulnerability Scoring System (CVSS) base scores,
which give detailed severity ratings, are available for each vulnerability
from the CVE links in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux Desktop (v. 6) - i386, x86_64
Red Hat Enterprise Linux Desktop Optional (v. 6) - i386, x86_64
Red Hat Enterprise Linux HPC Node (v. 6) - x86_64
Red Hat Enterprise Linux HPC Node Optional (v. 6) - x86_64
Red Hat Enterprise Linux Server (v. 6) - i386, x86_64
Red Hat Enterprise Linux Server Optional (v. 6) - i386, x86_64
Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64
Red Hat Enterprise Linux Workstation Optional (v. 6) - i386, x86_64

3. Description:

The IcedTea-Web project provides a Java web browser plug-in and an
implementation of Java Web Start, which is based on the Netx project. It
also contains a configuration tool for managing deployment settings for the
plug-in and Web Start implementations.

A flaw was discovered in the JNLP (Java Network Launching Protocol)
implementation in IcedTea-Web. An unsigned Java Web Start application
could use this flaw to manipulate the content of a Security Warning
dialog box, to trick a user into granting the application unintended access
permissions to local files. (CVE-2011-2514)

An information disclosure flaw was discovered in the JNLP implementation in
IcedTea-Web. An unsigned Java Web Start application or Java applet could
use this flaw to determine the path to the cache directory used to store
downloaded Java class and archive files, and therefore determine the user's
login name. (CVE-2011-2513)

All icedtea-web users should upgrade to these updated packages, which
contain backported patches to correct these issues.

4. Solution:

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

This update is available via the Red Hat Network. Details on how to
use the Red Hat Network to apply this update are available at
https://access.redhat.com/kb/docs/DOC-11259

5. Bugs fixed (http://bugzilla.redhat.com/):

718164 - CVE-2011-2513 icedtea, icedtea-web: home directory path disclosure to untrusted applications
718170 - CVE-2011-2514 icedtea-web: Java Web Start security warning dialog manipulation

6. Package List:

Red Hat Enterprise Linux Desktop (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Client/en/os/SRPMS/icedtea-web-1.0.4-2.el6_1.src.rpm

i386:
icedtea-web-1.0.4-2.el6_1.i686.rpm
icedtea-web-debuginfo-1.0.4-2.el6_1.i686.rpm

x86_64:
icedtea-web-1.0.4-2.el6_1.x86_64.rpm
icedtea-web-debuginfo-1.0.4-2.el6_1.x86_64.rpm

Red Hat Enterprise Linux Desktop Optional (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Client/en/os/SRPMS/icedtea-web-1.0.4-2.el6_1.src.rpm

i386:
icedtea-web-debuginfo-1.0.4-2.el6_1.i686.rpm
icedtea-web-javadoc-1.0.4-2.el6_1.i686.rpm

x86_64:
icedtea-web-debuginfo-1.0.4-2.el6_1.x86_64.rpm
icedtea-web-javadoc-1.0.4-2.el6_1.x86_64.rpm

Red Hat Enterprise Linux HPC Node (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6ComputeNode/en/os/SRPMS/icedtea-web-1.0.4-2.el6_1.src.rpm

x86_64:
icedtea-web-1.0.4-2.el6_1.x86_64.rpm
icedtea-web-debuginfo-1.0.4-2.el6_1.x86_64.rpm

Red Hat Enterprise Linux HPC Node Optional (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6ComputeNode/en/os/SRPMS/icedtea-web-1.0.4-2.el6_1.src.rpm

x86_64:
icedtea-web-debuginfo-1.0.4-2.el6_1.x86_64.rpm
icedtea-web-javadoc-1.0.4-2.el6_1.x86_64.rpm

Red Hat Enterprise Linux Server (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/os/SRPMS/icedtea-web-1.0.4-2.el6_1.src.rpm

i386:
icedtea-web-1.0.4-2.el6_1.i686.rpm
icedtea-web-debuginfo-1.0.4-2.el6_1.i686.rpm

x86_64:
icedtea-web-1.0.4-2.el6_1.x86_64.rpm
icedtea-web-debuginfo-1.0.4-2.el6_1.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/os/SRPMS/icedtea-web-1.0.4-2.el6_1.src.rpm

i386:
icedtea-web-debuginfo-1.0.4-2.el6_1.i686.rpm
icedtea-web-javadoc-1.0.4-2.el6_1.i686.rpm

x86_64:
icedtea-web-debuginfo-1.0.4-2.el6_1.x86_64.rpm
icedtea-web-javadoc-1.0.4-2.el6_1.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Workstation/en/os/SRPMS/icedtea-web-1.0.4-2.el6_1.src.rpm

i386:
icedtea-web-1.0.4-2.el6_1.i686.rpm
icedtea-web-debuginfo-1.0.4-2.el6_1.i686.rpm

x86_64:
icedtea-web-1.0.4-2.el6_1.x86_64.rpm
icedtea-web-debuginfo-1.0.4-2.el6_1.x86_64.rpm

Red Hat Enterprise Linux Workstation Optional (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Workstation/en/os/SRPMS/icedtea-web-1.0.4-2.el6_1.src.rpm

i386:
icedtea-web-debuginfo-1.0.4-2.el6_1.i686.rpm
icedtea-web-javadoc-1.0.4-2.el6_1.i686.rpm

x86_64:
icedtea-web-debuginfo-1.0.4-2.el6_1.x86_64.rpm
icedtea-web-javadoc-1.0.4-2.el6_1.x86_64.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://access.redhat.com/security/team/key/#package

7. References:

https://www.redhat.com/security/data/cve/CVE-2011-2513.html
https://www.redhat.com/security/data/cve/CVE-2011-2514.html
https://access.redhat.com/security/updates/classification/#moderate

8. Contact:

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

Copyright 2011 Red Hat, Inc.
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