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Category:   Application (Generic)  >   Pmake Vendors:   TurboLinux
Turbo Linux's Version of the pmake Utility May Allow Local Users to Execute Arbitrary Code and Gain Root Level Privileges on the Host
SecurityTracker Alert ID:  1001617
SecurityTracker URL:  http://securitytracker.com/id/1001617
CVE Reference:   GENERIC-MAP-NOMATCH   (Links to External Site)
Date:  May 26 2001
Impact:   Execution of arbitrary code via local system, Root access via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): All Turbolinux versions previous to 2.1.35beta-2
Description:   Turbolinux warned that their "pmake" package contains a vulnerability that may allow local users to execute arbitrary code on the server and gain root level privileges. Pmake is a multiprocessor version of the GNU Make utility.

Turbolinux reports that the pmake binary is installed with set user id root-level privileges (setuid root). As a result, a local user could run pmake with root privileges and attempt to exploit vulnerabilities in other programs that pmake uses. Those other programs or vulnerabilities were not disclosed by the vendor.

Impact:   A local user may be able to execute arbitrary code on the server and gain root level privileges.
Solution:   Turbolinux has released a fix. See the Source Message for details.
Vendor URL:  www.turbolinux.com/ (Links to External Site)
Cause:   Access control error, Boundary error
Underlying OS:  Linux (Turbo Linux)

Message History:   None.


 Source Message Contents

Subject:  [TL-Security-Announce] TLSA2001024 pmake-2.1.35beta-2


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



_____________________________________________________________________________________________

                     Turbolinux Security Announcement

        Package:  pmake
        Vulnerable Packages: All Turbolinux versions previous to 2.1.35beta-2
        Date: 05/24/2001 5:00 PDT


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

        Turbolinux Advisory ID#:  TLSA2001024

       
_____________________________________________________________________________________________

A security hole has been discovered in the package pmake.  Please update
the packages in your installation as soon as possible.
_____________________________________________________________________________________________

1. Problem Summary
   
   In the Turbolinux platforms referenced above, the pmake binary is installed
   setuid root.

2. Impact

   A local user could run pmake with root privileges.  This could lead to a possibility
   of an attacker exploiting vulnerabilities in other programs that pmake uses.

3. Solution
     
   Update the packages 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/pmake-2.1.35beta-2.i386.rpm
ftp://ftp.turbolinux.com/pub/updates/6.0/security/pmake-customs-2.1.35beta-2.i386.rpm 

   The source RPM can be downloaded here:

ftp://ftp.turbolinux.com/pub/updates/6.0/SRPMS/pmake-2.1.35beta-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.


*************************************IMPORTANT*******************************************

    In order for pmake to run properly, be sure to do the following:

      -Open up a terminal prompt and login as "root".
      -Go to /usr/lib/rpm and open the file called "macros".
      -Look for the directive called "%_mandir".  Its current setting is:

                        %{_prefix}/man

       Change it so that it reads:
           
                        %{_prefix}/share/man


*****************************************************************************************

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

  MD5 sum                               Package Name
_____________________________________________________________________________________________
                                       
  06872bdb7868177cdf04169814a25f02      pmake-2.1.35beta-2.i386.rpm
  c583682c3f2b3bd3d7854580b0e758e5      pmake-customs-2.1.35beta-2.i386.rpm
  4cc72823376566879442057beb25cb33      pmake-2.1.35beta-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:

 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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Version: GnuPG v1.0.4 (GNU/Linux)
Comment: pgpenvelope 2.10.0 - http://pgpenvelope.sourceforge.net/

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-----END PGP SIGNATURE-----



_______________________________________________
TL-Security-Announce mailing list
TL-Security-Announce@www.turbolinux.com
http://www.turbolinux.com/mailman/listinfo/tl-security-announce


 
 


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