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Category:   Application (Multimedia)  >   RealOne (RealPlayer) Vendors:   RealNetworks
(Red Hat Issues Fix) RealPlayer Enterprise Buffer Overflow in 'pnen3260.dll' Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1013775
SecurityTracker URL:  http://securitytracker.com/id/1013775
CVE Reference:   CVE-2005-0755   (Links to External Site)
Date:  Apr 21 2005
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to 10.0.4
Description:   A vulnerability was reported in RealPlayer Enterprise. A remote user can cause arbitrary code to be executed on a target user's system. RealPlayer is also affected.

The 'pnen3260.dll' component contains a buffer overflow. A remote user can create a specially crafted RAM media file that, when loaded by the target user, will trigger the buffer overflow. Arbitrary code can be executed.

Impact:   A remote user can create a Real Media file that, when loaded by the target user, will execute arbitrary code on the target user's computer. The code will run with the privileges of the target user.
Solution:   Red Hat has released a fix.

Red Hat Enterprise Linux AS version 4 Extras:

i386:
d7ee50d68f5a9350ac307c04ecbe7539 RealPlayer-10.0.4-0.rc1.1.i386.rpm

x86_64:
d7ee50d68f5a9350ac307c04ecbe7539 RealPlayer-10.0.4-0.rc1.1.i386.rpm

Red Hat Desktop version 4 Extras:

i386:
d7ee50d68f5a9350ac307c04ecbe7539 RealPlayer-10.0.4-0.rc1.1.i386.rpm

x86_64:
d7ee50d68f5a9350ac307c04ecbe7539 RealPlayer-10.0.4-0.rc1.1.i386.rpm

Red Hat Enterprise Linux ES version 4 Extras:

i386:
d7ee50d68f5a9350ac307c04ecbe7539 RealPlayer-10.0.4-0.rc1.1.i386.rpm

x86_64:
d7ee50d68f5a9350ac307c04ecbe7539 RealPlayer-10.0.4-0.rc1.1.i386.rpm

Red Hat Enterprise Linux WS version 4 Extras:

i386:
d7ee50d68f5a9350ac307c04ecbe7539 RealPlayer-10.0.4-0.rc1.1.i386.rpm

x86_64:
d7ee50d68f5a9350ac307c04ecbe7539 RealPlayer-10.0.4-0.rc1.1.i386.rpm

Vendor URL:  www.service.real.com/help/faq/security/security041905.html (Links to External Site)
Cause:   Boundary error
Underlying OS:  Linux (Red Hat Enterprise)
Underlying OS Comments:  4

Message History:   This archive entry is a follow-up to the message listed below.
Apr 20 2005 RealPlayer Enterprise Buffer Overflow in 'pnen3260.dll' Lets Remote Users Execute Arbitrary Code



 Source Message Contents

Subject:  [RHSA-2005:363-03] Critical: RealPlayer security update


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

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

Synopsis:          Critical: RealPlayer security update
Advisory ID:       RHSA-2005:363-03
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2005-363.html
Issue date:        2005-04-20
Updated on:        2005-04-20
Product:           Red Hat Enterprise Linux Extras
CVE Names:         CAN-2005-0755
- ---------------------------------------------------------------------

1. Summary:

An updated RealPlayer package that fixes a buffer overflow issue is now
available.

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

2. Relevant releases/architectures:

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

3. Problem description:

RealPlayer is a media player that provides solid media playback locally 
and via streaming. It plays RealAudio, RealVideo, MP3, 3GPP Video, 
Flash, SMIL 2.0, JPEG, GIF, PNG, RealPix and RealText and 
more.

A buffer overflow bug was found in the way RealPlayer processes RAM files.
An attacker could create a specially crafted RAM file which could execute
arbitrary code when opened by a user. The Common Vulnerabilities and
Exposures project (cve.mitre.org) has assigned the name CAN-2005-0755 to
this issue.

All users of RealPlayer are advised to upgrade to this updated package,
which contains RealPlayer version 10.0.4 and is not vulnerable to this
issue.

4. Solution:

Before applying this update, make sure that all previously-released
errata relevant to your system have been applied.  Use Red Hat
Network to download and update your packages.  To launch the Red Hat
Update Agent, use the following command:

    up2date

For information on how to install packages manually, refer to the
following Web page for the System Administration or Customization
guide specific to your system:

    http://www.redhat.com/docs/manuals/enterprise/

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

153931 - RealPlayer buffer overflow

6. RPMs required:

Red Hat Enterprise Linux AS version 4 Extras:

i386:
d7ee50d68f5a9350ac307c04ecbe7539  RealPlayer-10.0.4-0.rc1.1.i386.rpm

x86_64:
d7ee50d68f5a9350ac307c04ecbe7539  RealPlayer-10.0.4-0.rc1.1.i386.rpm

Red Hat Desktop version 4 Extras:

i386:
d7ee50d68f5a9350ac307c04ecbe7539  RealPlayer-10.0.4-0.rc1.1.i386.rpm

x86_64:
d7ee50d68f5a9350ac307c04ecbe7539  RealPlayer-10.0.4-0.rc1.1.i386.rpm

Red Hat Enterprise Linux ES version 4 Extras:

i386:
d7ee50d68f5a9350ac307c04ecbe7539  RealPlayer-10.0.4-0.rc1.1.i386.rpm

x86_64:
d7ee50d68f5a9350ac307c04ecbe7539  RealPlayer-10.0.4-0.rc1.1.i386.rpm

Red Hat Enterprise Linux WS version 4 Extras:

i386:
d7ee50d68f5a9350ac307c04ecbe7539  RealPlayer-10.0.4-0.rc1.1.i386.rpm

x86_64:
d7ee50d68f5a9350ac307c04ecbe7539  RealPlayer-10.0.4-0.rc1.1.i386.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://service.real.com/help/faq/security/050419_player/EN/
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-0755

8. Contact:

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

Copyright 2005 Red Hat, Inc.

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