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(fwd) [TL-Security-Announce] perl TLSA2000018-1

To: linux-delhi@xxxxxxxxxxxxxxxxxxxxx, linux-india-help@xxxxxxxxxxxxxxxxxxxxx
Subject: (fwd) [TL-Security-Announce] perl TLSA2000018-1
From: Raju Mathur <raju@xxxxxxxxxxxxxxx>
Date: Thu, 10 Aug 2000 23:17:54 +0530 (IST)
Reply-to: raju@xxxxxxxxxxxxxxx
[TurboLinux suidperl problem solution -- Raju]

This is an RFC 1153 digest.
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Subject:      [TL-Security-Announce] perl TLSA2000018-1
Date:         Wed, 9 Aug 2000 17:39:10 -0700

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

___________________________________________________________________________

                        TurboLinux Security Announcement

        Package: perl-5.00503 and earlier
        Date: Wednesday August 9 17:00 PDT 2000

        Affected TurboLinux versions: 6.0.5 and earlier (including 4.x)
        Vulnerability Type: Local root exploit
        TurboLinux Advisory ID#:  TLSA2000018-1
        Credits: Michal Zalewski, Simon Cozens

___________________________________________________________________________

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

A component of perl, sperl, runs suid root to enable execution of perl code
by a file's owner. When sperl is used in an improper manner, it will alert
the root user via /bin/mail that illegal use of sperl has been attempted. A
widely available exploit utilizes this behavior to gain privileged access.

2. Impact

The latest versions of perl as well as past shipping versions of perl in
TurboLinux distributions are susceptible to a local root exploit.

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 for 4.x or 6.x versions:

ftp://ftp.turbolinux.com/pub/updates/4.0/security/perl-5.00503-7.i386.rpm
ftp://ftp.turbolinux.com/pub/updates/6.0/security/perl-5.005_02-8TL.i386.rpm

The source RPM can be downloaded here:

ftp://ftp.turbolinux.com/pub/updates/4.0/SRPMS/perl-5.005_02-8TL.src.rpm
ftp://ftp.turbolinux.com/pub/updates/6.0/SRPMS/perl-5.00503-7.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
- - ---------------------------------------------------------------------------
dd1d17422817d40be46d730f1ce8d41e  perl-5.00503-7.i386.rpm
659d162acaedb37c364b45e8666dbd2b  perl-5.00503-7.src.rpm
2951099587eabb3de107ee147619a34b  perl-5.005_02-8TL.i386.rpm
13a590ae17f2c445c5240d395c0bec5a  perl-5.005_02-8TL.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@xxxxxxxxxxxxxx
___________________________________________________________________________

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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