5324273 2000-08-03  01:35  /125 rader/ Brevbäraren (som är implementerad i) Python
Mottagare: Bugtraq (import) <12038>
Ärende: [TL-Security-Announce] netscape TLSA2000017-1
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From: Joe Little <jlittle@TURBOLINUX.COM>
To: BUGTRAQ@SECURITYFOCUS.COM
Message-ID: <Pine.LNX.4.20.0008021333470.807-100000@eva.dev.us.tlan>

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___________________________________________________________________________

                        TurboLinux Security Announcement

        Package: netscape-4.73 and earlier
        Date: Wednesday August 2 12:00 PDT 2000

        Affected TurboLinux versions: 6.0.5 and earlier
        Vulnerability Type: malicious remote website exploit possible
        TurboLinux Advisory ID#:  TLSA2000017-1
        Credits: netscape.ad-1.00-07

___________________________________________________________________________

A security hole was discovered in the package mentioned above. Please
update the package in your installation as soon as possible or
disable the service.
___________________________________________________________________________

1. Problem Summary

Current and previous versions of netscape communicator have a buffer
overflow condition in its handling of JPEG files. Specifically, it
trusts the purported length of JPEG files provided by the header and
can be mislead into reading arbitrary amounts of data, leading to the
overwriting of memory.

2. Impact

A web site could contain malicious code which would enable remote
execution or other malicious behavior as the user of netscape on the
client's machine.

3. Solution

Please upgrade your packages to match the new revision

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

rpm -Fv ftp_path_to_filename

Where ftp_path_to_filename is the following:

ftp://ftp.turbolinux.com/pub/updates/6.0/security/netscape-communicator-4.74-2.i386.rpm

The source RPM can be downloaded here:

ftp://ftp.turbolinux.com/pub/updates/6.0/SRPMS/netscape-communicator-4.74-2.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.

Please verify the MD5 checksum of the update before you install:

  MD5 sum                               Package Name
- - ---------------------------------------------------------------------------
940ec5bccc73166938e1b75cb384de19  netscape-communicator-4.74-2.i386.rpm
dcc0a1890e0123efd3cd86efbc276942  netscape-communicator-4.74-2.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:

 rpm --checksig --nogpg 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 TL6.0
   Workstation and Server security updates
   ftp://ftp.turbolinux.com/pub/updates/4.0/security/ for TL4.0
   Workstation and Server security updates

Our webpage for security announcements:

   http://www.turbolinux.com/security

If you want to report vulnerabilities, please contact:

   rt-security@turbolinux.com
___________________________________________________________________________

Subscribe to the TurboLinux Security Mailing lists:

  TL-security - A moderated list for discussing security issues in
  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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