[TL-Security-Announce] man-1.5g-5 and earlier TLSA2000004-1

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Date: Wed, 8 Mar 2000 18:58:20 -0800
From: Jeremiah Johnson <jjohnsonat_private>
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Subject: [TL-Security-Announce] man-1.5g-5 and earlier TLSA2000004-1
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______________________________________________________________________________

                        TurboLinux Security Announcement

        Package:  man-1.5g-5 and earlier
        Date:    Wed Mar  8 14:54:54 PST 2000

        Affected TurboLinux versions: TurboLinux 6.0.2 and earlier
        Vulnerability Type:  possible local root compromise
	TurboLinux Advisory ID#:  TLSA2000004-1
        Credits:  This vulnerability was posted to the Bugtraq mailinglist
	on February 26, 2000 by Michal Zalewski <lcamtufat_private>.
______________________________________________________________________________

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

	The program ' man ' is setguid man.  Unfortuanatly man uses
	system() for most calls, while most parameters are user dependent.
	Using enviromental variables you can buffer overflow man, and gain
	man privileges, or possibly root.

2. Impact

	Problems could lead to a malicious local user gaining privileges of the user man or root.

3. Solution

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

  rpm -Uv ftp_path_to_filename

  Where ftp_path_to_filename is the following:

  ftp://ftp.turbolinux.com/pub/updates/6.0/security/man-1.5h1-1.i386.rpm

  The source rpm can be downloaded here:

  ftp://ftp.turbolinux.com/pub/updates/6.0/SRPMS/man-1.5h1-1.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.

  Please verify the md5 checksum of the update before you install:

  MD5 sum				Package Name

- ----------------------------------------------------------------------------
91f4921306e75bafd2d45b8f385eed74  man-1.5h1-1.i386.rpm
347857c4239ceca04889fbac69b41794  man-1.5h1-1.src.rpm
______________________________________________________________________________

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:
  security-rtat_private
______________________________________________________________________________

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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