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Category:   Application (File Transfer/Sharing)  >   FTP (Generic) Vendors:   FreeBSD, HPE, NetBSD, OpenBSD, SGI (Silicon Graphics), Sun
(HP Issues Fix) Several FTP Server Implementations Allow Remote Users to Obtain Root-Level Privileges on the Server
SecurityTracker Alert ID:  1002053
SecurityTracker URL:  http://securitytracker.com/id/1002053
CVE Reference:   GENERIC-MAP-NOMATCH   (Links to External Site)
Date:  Jul 19 2001
Impact:   Execution of arbitrary code via local system, Execution of arbitrary code via network, Root access via local system, Root access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   Network Associates COVERT Labs issued an advisory (COVERT-2001-02) for multiple FTP server implementations. These implementations allow remote and local users to obtain root-level privileges on the server.

In general, if the remote user has the ability to create directories on the FTP server, these vulnerabilities can be exploited. The vulnerabilities are related to the use of the glob() function.

In some cases, user input that has been expanded by glob() can exceed expected boundary lengths and trigger a buffer overflow. In other cases, the glob() function contains other buffer overflows.

Network Associates reports that the following operating systems have been confirmed to contain vulnerable FTP daemons:

FreeBSD 4.2, OpenBSD 2.8, NetBSD 1.5, IRIX 6.5.x, HPUX 11, Solaris 8

For details on the exact nature of the vulnerabilities, see the source message or refer to the COVERT Labs Advisory:

http://www.pgp.com/research/covert/advisories/048.asp

Impact:   A remote or local user can obtain root privileges on the FTP server.
Solution:   The vendor has released a fix. See the Source Message for the vendor's advisory containing directions on how to obtain the appropriate fix.
Cause:   Boundary error
Underlying OS:  UNIX (HP/UX)

Message History:   This archive entry is a follow-up to the message listed below.
Apr 10 2001 Several FTP Server Implementations Allow Remote Users to Obtain Root-Level Privileges on the Server



 Source Message Contents

Subject:  security bulletins digest



                        HP Support Information Digests

===============================================================================
o  IT Resource Center World Wide Web Service
   ---------------------------------------------------

   If you subscribed through the IT Resource Center and would
   like to be REMOVED from this mailing list, access the
   IT Resource Center on the World Wide Web at:

     http://www.itresourcecenter.hp.com/

   Login using your IT Resource Center User ID and Password.
   Then select Support Information Digests (located under
   Maintenance and Support).  You may then unsubscribe from the
   appropriate digest.
===============================================================================


Digest Name:  daily security bulletins digest
    Created:  Thu Jul 19  3:00:03 PDT 2001

Table of Contents:

Document ID      Title
---------------  -----------
HPSBUX0107-162   Security Vulnerability in ftpd and ftp
HPSBUX0107-161   Sec. Vulnerability in VVOS mkacct

The documents are listed below.
-------------------------------------------------------------------------------


Document ID:  HPSBUX0107-162
Date Loaded:  20010718
      Title:  Security Vulnerability in ftpd and ftp

-------------------------------------------------------------------------
    HEWLETT-PACKARD COMPANY SECURITY BULLETIN: #0162, 19 July '01
-------------------------------------------------------------------------

The information in the following Security Bulletin should be acted upon
as soon as possible.  Hewlett-Packard Company will not be liable for any
consequences to any customer resulting from customer's failure to fully
implement instructions in this Security Bulletin as soon as possible.

-------------------------------------------------------------------------
PROBLEM:  ftpd and ftp incorrectly manage buffers.

PLATFORM: HP9000 Series 700/800 running HP-UX releases 10.01, 10.10,
          10.20, 11.00, and 11.11.

DAMAGE:   Remote users could execute unauthorized code.

SOLUTION: Install the appropriate patch for HP-UX releases as
          described below:

             10.01 or 10.10          PHNE_23947,
             10.20                   PHNE_23948,
             11.00                   PHNE_23949,
             11.11                   PHNE_23950.

AVAILABILITY: All patches are available now.

-------------------------------------------------------------------------
A.  Background
    CERT Advisory CA-2001-07 references a problem with ftp server
    glob() funtion implementation.  The full text is available at:
       http://www.cert.org/advisories/CA-2001-07.html

B.  Recommended solution
    The problem can be fully rectified by application of one of
    these patches to the appropriate HP-UX release:
             10.01, or 10.10         PHNE_23947,
             10.20                   PHNE_23948,
             11.00                   PHNE_23949,
             11.11                   PHNE_23950.

C. To subscribe to automatically receive future NEW HP Security
   Bulletins from the HP IT Resource Center via electronic mail,
   do the following:

   Use your browser to get to the HP IT Resource Center page
   at:

       http://itrc.hp.com

   Use the 'Login' tab at the left side of the screen to login
   using your ID and password.

   Use the 'Login' tab at the left side of the screen to login
   using your ID and password.  Use your existing login or the
   "Register" button at the left to create a login, in order to
   gain access to many areas of the ITRC.  Remember to save the
   User ID assigned to you, and your password.

   Under the "Notifications" section (near the bottom of the
   page), select "Support Information Digests".

   To -subscribe- to future HP Security Bulletins or other
   Technical Digests, click the check box (in the left column)
   for the appropriate digest and then click the "Update
   Subscriptions" button at the bottom of the page.

   or

   To -review- bulletins already released, select the link
   (in the middle column) for the appropriate digest.

   To -gain access- to the Security Patch Matrix, select
   the link for "hp security bulletins archive" near the bottom.
   Once in the archive the top link is to our current Security
   Patch Matrix.  Updated daily, this matrix categorizes security
   patches by platform/OS release, and by bulletin topic.

   The security patch matrix is also available via anonymous ftp:

   ftp.itrc.hp.com:~ftp/export/patches/hp-ux_patch_matrix

   On the "Support Information Digest Main" page:
   click on the "HP Security Bulletin Archive".

D. To report new security vulnerabilities, send email to

    security-alert@hp.com

   Please encrypt any exploit information using the security-alert
   PGP key, available from your local key server, or by sending a
   message with a -subject- (not body) of 'get key' (no quotes) to
   security-alert@hp.com.

   Permission is granted for copying and circulating this Bulletin
   to Hewlett-Packard (HP) customers (or the Internet community)
   for the purpose of alerting them to problems, if and only if,
   the Bulletin is not edited or changed in any way, is attributed
   to HP, and provided such reproduction and/or distribution is
   performed for non-commercial purposes.

   Any other use of this information is prohibited. HP is not
   liable for any misuse of this information by any third party.
________________________________________________________________________
-----End of Document ID:  HPSBUX0107-162--------------------------------------


Document ID:  HPSBUX0107-161
Date Loaded:  20010718
      Title:  Sec. Vulnerability in VVOS mkacct

-------------------------------------------------------------------------
    HEWLETT-PACKARD COMPANY SECURITY BULLETIN: #0161 19 July '01
-------------------------------------------------------------------------

The information in the following Security Bulletin should be acted upon
as soon as possible.  Hewlett-Packard Company will not be liable for any
consequences to any customer resulting from customer's failure to fully
implement instructions in this Security Bulletin as soon as possible.

-------------------------------------------------------------------------
PROBLEM:  Security Vulnerability in mkacct program.

PLATFORM: HP9000 Servers running HP-UX 11.04 (VVOS), VirtualVault only.

DAMAGE:   Potential unauthorized privileged access.

SOLUTION: Install the appropriate patch for the VirtualVault release:
             VirtualVault 4.0               PHSS_24169,
             VirtualVault 4.5               PHSS_24212.

AVAILABILITY:  The patches are available now.
-------------------------------------------------------------------------

I.    Background
      Hewlett-Packard Company has discovered that the /sbin/mkacct
      program incorrectly performs its functions, with a potential
      to allow unauthorized privileged access.

II.   Recommended solution
      Application of the appropriate patch selected from the list below
      completely solves this problem.

      For VirtualVault releases:
             VirtualVault 4.0               PHSS_24169,
             VirtualVault 4.5               PHSS_24212.


III. To subscribe to automatically receive future NEW HP Security
     Bulletins from the HP IT Resource Center via electronic mail,
     do the following:

     Use your browser to get to the HP IT Resource Center page
     at:

       http://itrc.hp.com

     Use the 'Login' tab at the left side of the screen to login
     using your ID and password.

     Use the 'Login' tab at the left side of the screen to login
     using your ID and password.  Use your existing login or the
     "Register" button at the left to create a login, in order to
     gain access to many areas of the ITRC.  Remember to save the
     User ID assigned to you, and your password.

     Under the "Notifications" section (near the bottom of the
     page), select "Support Information Digests".

     To -subscribe- to future HP Security Bulletins or other
     Technical Digests, click the check box (in the left column)
     for the appropriate digest and then click the "Update
     Subscriptions" button at the bottom of the page.

       or

     To -review- bulletins already released, select the link
     (in the middle column) for the appropriate digest.

     To -gain access- to the Security Patch Matrix, select
     the link for "hp security bulletins archive" near the bottom.
     Once in the archive the top link is to our current Security
     Patch Matrix.  Updated daily, this matrix categorizes security
     patches by platform/OS release, and by bulletin topic.

     The security patch matrix is also available via anonymous ftp:

     ftp.itrc.hp.com:~ftp/export/patches/hp-ux_patch_matrix

     On the "Support Information Digest Main" page:
     click on the "HP Security Bulletin Archive".

IV.  To report new security vulnerabilities, send email to

      security-alert@hp.com

     Please encrypt any exploit information using the security-alert
     PGP key, available from your local key server, or by sending a
     message with a -subject- (not body) of 'get key' (no quotes) to
     security-alert@hp.com.

     Permission is granted for copying and circulating this Bulletin
     to Hewlett-Packard (HP) customers (or the Internet community)
     for the purpose of alerting them to problems, if and only if,
     the Bulletin is not edited or changed in any way, is attributed
     to HP, and provided such reproduction and/or distribution is
     performed for non-commercial purposes.

     Any other use of this information is prohibited. HP is not
     liable for any misuse of this information by any third party.
________________________________________________________________________
-----End of Document ID:  HPSBUX0107-161--------------------------------------

 
 


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