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Turbolinux Security Announcement - esound
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___________________________________________________________________________

                     Turbolinux Security Announcement

        Package: esound
        Vulnerable Packages: All Turbolinux versions previous to 0.2.22-1
        Date: 06/21/2001 5:00 PDT

        Affected Turbolinux platforms:  TL 6.1 Workstation,
                                        All Turbolinux versions
                                        6.0.5 and earlier

        Turbolinux Advisory ID#:  TLSA2001029

        Reference:  http://www.securityfocus.com/bid/1659

___________________________________________________________________________

A security hole has been discovered in the package esound.  Please update
this package in your installation as soon as possible.
___________________________________________________________________________

1. Problem Summary
   
       Esound creates a world-writable directory called /tmp/.esd, which
   is owned by the user running esound.  It stores a socket which is shared
   by the programs using esound.  When esound is started, the socket becomes
   world-writable.  During this time, it is possible for an attacker to cre-
   ate a symbolic link in /tmp/.esd to a file owned by the esound user and 
   make that file world-writable.  

2. Impact

       Any file owned by the esound user can be overwritten.
     
3. Solution

  Update the package from our ftp server by running the following command:

      rpm -Uvh ftp_path_to_filename

  Where ftp_path_to_filename is the following:

ftp://ftp.turbolinux.com/pub/updates/6.0/security/esound-0.2.22-1.i386.rpm
ftp://ftp.turbolinux.com/pub/updates/6.0/security/esound-devel-0.2.22-1.i386.rpm

  The source RPM can be downloaded here:

ftp://ftp.turbolinux.com/pub/updates/6.0/SRPMS/esound-0.2.22-1.src.rpm

  **Note: You must rebuild and install the RPM if you choose to download
  and install the SRPM.  Simply installing the SRPM alone WILL NOT CLOSE
  THE SECURITY HOLE.

  In order to properly rebuild the esound binaries, make sure
  you have the package "audiofile-devel" installed on your system.

 Please verify the MD5 checksums of the updates before you install:

  MD5 sum                               Package Name
___________________________________________________________________________

  08543da5d8212492755a9913a650b26e      esound-0.2.22-1.i386.rpm
  e3ae1c4b06ed465d30ff960d30146e51      esound-devel-0.2.22-1.i386.rpm
  1756ffc8c1cc4a8d9bb0abae187fc14f      esound-0.2.22-1.src.rpm
___________________________________________________________________________

These packages are GPG signed by Turbolinux for security. Our key
is available here:

 http://www.turbolinux.com/security/tlgpgkey.asc

To verify a package, use the following command:

 rpm --checksig name_of_rpm

To examine only the md5sum, use the following command:

 md5sum name_of_rpm

**Note: Checking GPG keys requires RPM 3.0 or higher.

___________________________________________________________________________

You can find more updates on our ftp server:

   ftp://ftp.turbolinux.com/pub/updates/6.0/security/ 
   for TL6.x Workstation and Server security updates
  
Our webpage for security announcements:

   http://www.turbolinux.com/security

If you want to report vulnerabilities, please contact:

   security@turbolinux.com
___________________________________________________________________________

Subscribe to the Turbolinux Security Mailing lists:

  TL-security - A moderated list for discussing security issues
                Turbolinux products.
  Subscribe at http://www.turbolinux.com/mailman/listinfo/tl-security

  TL-security-announce - An announce-only mailing list for security
                         updates and alerts.

  Subscribe at:

      http://www.turbolinux.com/mailman/listinfo/tl-security-announce

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