SecurityTracker.com
    Home    |    View Topics    |    Search    |    Contact Us    |   

SecurityTracker
Archives


 


Category:   Application (Generic)  >   ToolTalk (rpc.ttdbserver) Vendors:   SGI (Silicon Graphics)
(SGI Issues Fix for IRIX) Re: Common Desktop Environment (CDE) ToolTalk Server Input Validation and Symlink Bugs Let Local and Remote Users Obtain Root Privileges on the System
SecurityTracker Alert ID:  1005551
SecurityTracker URL:  http://securitytracker.com/id/1005551
CVE Reference:   CVE-2002-0677, CVE-2002-0678   (Links to External Site)
Date:  Nov 6 2002
Impact:   Denial of service via local system, Denial of service via network, Execution of arbitrary code via network, Modification of system information, Modification of user information, Root access via local system, Root access via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   Several vulnerabilities were reported in the Common Desktop Environment (CDE) ToolTalk RPC database server. A remote user could delete arbitrary files, cause denial of service conditions, or execute arbitrary code or commands on the system. A local user could create or overwrite arbitrary files with arbitrary user-supplied contents.

CORE Security Technologies reported that a remote user can also create arbitrary directory entries on the target host.

Several operating systems are affected, including Solaris, HP-UX, Tru64, AIX, and Caldera Open UNIX/UnixWare. Other operating systems may also be affected.

According to the report, Fujitsu UXP/V, Cray's CrayTools, Caldera OpenLinux, and SCO OpenServer are not vulnerable.

According to CORE and CERT (as reported in CERT Advisory CA-2002-20), the ToolTalk RPC database server (rpc.ttdbserverd) does not properly validate a user-supplied file descriptor argument passed to the _TT_ISCLOSE() function. A remote user may be able to overwrite a certain 4 bytes of memory with a zero (0x0L) value.

A remote user could exploit this bug to delete any file on the system that is accessible by the ToolTalk RPC database server. Because the server typically runs with root privileges, any file on the system could be deleted. It may also be possible for the remote user to cause arbitrary code and commands to be executed.

The software also reportedly does not properly validate certain file operations, such as verifying whether a file to be written to is a valid file or a symbolic link. A local user could reference a specially crafted symbolic link in certain ToolTalk RPC requests to overwrite files on the system. Because the server typically runs with root privileges, any file on the system could be overwritten. This could allow the local user to obtain elevated privileges on the system (including root privileges).

Impact:   A remote user could delete arbitrary files, cause denial of service conditions, or execute arbitrary code or commands on the system. A local user could create or overwrite arbitrary files with arbitrary user-supplied contents.
Solution:   SGI has issued a fix for the IRIX operating system. Upgrade to IRIX 6.5.18 or, for users of 6.5 - 6.5.17, use patch 4688:

http://support.sgi.com/irix/swupdates/

Note that in SGI Security Bulletin 20021101-01-P, SGI issued an upgraded ToolTalk package included with CDE. Bulletin 20021102-01-P (this advisory) covers the ToolTalk package included with IRIX.

Vendor URL:  www.sgi.com/support/security/ (Links to External Site)
Cause:   Input validation error, State error
Underlying OS:  UNIX (SGI/IRIX)
Underlying OS Comments:  IRIX 6.5 - 6.5.17

Message History:   This archive entry is a follow-up to the message listed below.
Jul 11 2002 Common Desktop Environment (CDE) ToolTalk Server Input Validation and Symlink Bugs Let Local and Remote Users Obtain Root Privileges on the System



 Source Message Contents

Subject:  [Full-Disclosure] IRIX ToolTalk rpc.ttdbserverd vulnerabilities


-----BEGIN PGP SIGNED MESSAGE-----

______________________________________________________________________________
                          SGI Security Advisory

         Title:  IRIX ToolTalk rpc.ttdbserverd vulnerabilities
        Number:  20021102-01-P
          Date:  November 6, 2002
     Reference:  CAN-2002-0677
     Reference:  CAN-2002-0678
     Reference:  CERT CA-2002-20
     Reference:  SGI Security Advisory 19981101-01-A
     Reference:  SGI BUGS 833473 860031 861480 866829
     Fixed in :  IRIX 6.5.18 or patch 4669
______________________________________________________________________________

- -----------------------
- --- Issue Specifics ---
- -----------------------

This bulletin is a followup to SGI Security Bulletin 20021101-01-P.
There are two ToolTalk packages. 20021101-01-P covers the ToolTalk package
included with CDE.  This advisory covers ToolTalk package included with IRIX.

It's been reported that there are vulnerabilities in the IRIX ToolTalk
rpc.ttdbserverd daemon.

See the following URLs for additional details:

  http://www.cert.org/advisories/CA-2002-20.html
  http://www.entercept.com/news/uspr/08-12-02.asp

This vulnerability has been assigned the following CVEs:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-0677
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-0678

SGI has investigated the issues and recommends the following steps for
neutralizing the exposure.  It is HIGHLY RECOMMENDED that these measures be
implemented on ALL vulnerable SGI systems.

These issues have been corrected with patches and in future releases of IRIX.


- --------------
- --- Impact ---
- --------------

The rpc.ttdbserverd binary is not installed by default on IRIX 6.5 systems.
It is part of the optional IRIX ToolTalk package (tooltalk_eoe.sw.runtime).

To determine the version of IRIX you are running, execute the following
command:

  # uname -R

That will return a result similar to the following:

  # 6.5 6.5.16f

The first number ("6.5") is the release name, the second ("6.5.16f" in this
case) is the extended release name.  The extended release name is the
"version" we refer to throughout this document.

To see if rpc.ttdbserverd is installed, execute the following command:

  # versions long | grep rpc.ttdbserverd
  f  1868   699 tooltalk_eoe.sw.runtime   usr/ToolTalk/etc/rpc.ttdbserverd
  l     0     0 tooltalk_eoe.man.manpages usr/ToolTalk/man1m/rpc.ttdbserverd.z
  l     0     0 tooltalk_eoe.sw.links     usr/etc/rpc.ttdbserverd

If the output of the command is similar to the above, then rpc.ttdbserverd
is installed and the system may be vulnerable.

- ----------------------------
- --- Temporary Workaround ---
- ----------------------------

There is no effective workaround available for these vulnerabilities.
SGI recommends upgrading to IRIX 6.5.18 or installing the appropriate
patch from the listing below.


- ----------------
- --- Solution ---
- ----------------

SGI has provided a series of patches for these vulnerabilities. Our
recommendation is to upgrade to IRIX 6.5.18 or install the appropriate
patch.

   OS Version     Vulnerable?     Patch #      Other Actions
   ----------     -----------     -------      -------------
   IRIX 3.x        unknown                     Note 1
   IRIX 4.x        unknown                     Note 1
   IRIX 5.x        unknown                     Note 1
   IRIX 6.0.x      unknown                     Note 1
   IRIX 6.1        unknown                     Note 1
   IRIX 6.2        unknown                     Note 1
   IRIX 6.3        unknown                     Note 1
   IRIX 6.4        unknown                     Note 1
   IRIX 6.5          yes                       Notes 2 & 3
   IRIX 6.5.1        yes                       Notes 2 & 3
   IRIX 6.5.2        yes                       Notes 2 & 3
   IRIX 6.5.3        yes                       Notes 2 & 3
   IRIX 6.5.4        yes                       Notes 2 & 3
   IRIX 6.5.5        yes                       Notes 2 & 3
   IRIX 6.5.6        yes                       Notes 2 & 3
   IRIX 6.5.7        yes                       Notes 2 & 3
   IRIX 6.5.8        yes                       Notes 2 & 3
   IRIX 6.5.9        yes                       Notes 2 & 3
   IRIX 6.5.10       yes                       Notes 2 & 3
   IRIX 6.5.11       yes                       Notes 2 & 3
   IRIX 6.5.12       yes                       Notes 2 & 3
   IRIX 6.5.13       yes	    4669       Note 4
   IRIX 6.5.14       yes	    4669       Note 4
   IRIX 6.5.15       yes	    4669       Note 4
   IRIX 6.5.16       yes	    4669       Note 4
   IRIX 6.5.17       yes	    4669       Note 4
   IRIX 6.5.18	      no

   NOTES

     1) This version of the IRIX operating has been retired. Upgrade to an
        actively supported IRIX operating system.  See
        http://support.sgi.com/irix/news/index.html#policy for more
        information.

     2) If you have not received an IRIX 6.5.X CD for IRIX 6.5, contact your
        SGI Support Provider or URL: http://support.sgi.com/irix/swupdates/

     3) Upgrade to IRIX 6.5.18

     4) Install patch 4669.

                ##### Patch File Checksums ####

The actual patch will be a tar file containing the following files:
Filename:                 README.patch.4669
Algorithm #1 (sum -r):    11834 9 README.patch.4669
Algorithm #2 (sum):       14392 9 README.patch.4669
MD5 checksum:             C3745DD4BDEC4B35861C4A8539535A5E

Filename:                 patchSG0004669
Algorithm #1 (sum -r):    54842 10 patchSG0004669
Algorithm #2 (sum):       45757 10 patchSG0004669
MD5 checksum:             829619BBEC3FAC7535B0036532BA953B

Filename:                 patchSG0004669.idb
Algorithm #1 (sum -r):    06377 4 patchSG0004669.idb
Algorithm #2 (sum):       7396 4 patchSG0004669.idb
MD5 checksum:             05726EFA801A052CF5B3B7C80E4E3ACA

Filename:                 patchSG0004669.tooltalk_dev_sw
Algorithm #1 (sum -r):    54197 1653 patchSG0004669.tooltalk_dev_sw
Algorithm #2 (sum):       11752 1653 patchSG0004669.tooltalk_dev_sw
MD5 checksum:             6F8797D3FEF23CB653EB3E0F06F493D0

Filename:                 patchSG0004669.tooltalk_dev_sw32
Algorithm #1 (sum -r):    08766 2919 patchSG0004669.tooltalk_dev_sw32
Algorithm #2 (sum):       33279 2919 patchSG0004669.tooltalk_dev_sw32
MD5 checksum:             917C288BFCD6748E2862B90AC751E769

Filename:                 patchSG0004669.tooltalk_dev_sw64
Algorithm #1 (sum -r):    46256 3007 patchSG0004669.tooltalk_dev_sw64
Algorithm #2 (sum):       26518 3007 patchSG0004669.tooltalk_dev_sw64
MD5 checksum:             22CFCDA723B215C9C7057F26694D93FB

Filename:                 patchSG0004669.tooltalk_eoe_sw
Algorithm #1 (sum -r):    07957 1892 patchSG0004669.tooltalk_eoe_sw
Algorithm #2 (sum):       5139 1892 patchSG0004669.tooltalk_eoe_sw
MD5 checksum:             77FF499988319B83913A753514ED6282

Filename:                 patchSG0004669.tooltalk_eoe_sw32
Algorithm #1 (sum -r):    60722 1749 patchSG0004669.tooltalk_eoe_sw32
Algorithm #2 (sum):       38257 1749 patchSG0004669.tooltalk_eoe_sw32
MD5 checksum:             142D1D1E415744E8ADCEEAD105B5A3AE

Filename:                 patchSG0004669.tooltalk_eoe_sw64
Algorithm #1 (sum -r):    54481 1782 patchSG0004669.tooltalk_eoe_sw64
Algorithm #2 (sum):       56473 1782 patchSG0004669.tooltalk_eoe_sw64
MD5 checksum:             C2C21D75456AD7CA2449C97B7835C582


- ------------------------
- --- Acknowledgments ----
- ------------------------

SGI wishes to thank Entercept, Core SDI, FIRST and the users of the Internet
Community at large for their assistance in this matter.


- -------------
- --- Links ---
- -------------

SGI Security Advisories can be found at:
http://www.sgi.com/support/security/ and
ftp://patches.sgi.com/support/free/security/advisories/

SGI Security Patches can be found at:
http://www.sgi.com/support/security/ and
ftp://patches.sgi.com/support/free/security/patches/

SGI patches for IRIX can be found at the following patch servers:
http://support.sgi.com/irix/ and ftp://patches.sgi.com/

SGI freeware updates for IRIX can be found at:
http://freeware.sgi.com/

SGI fixes for SGI open sourced code can be found on:
http://oss.sgi.com/projects/

SGI patches and RPMs for Linux can be found at:
http://support.sgi.com/linux/ or
http://oss.sgi.com/projects/sgilinux-combined/download/security-fixes/

SGI patches for Windows NT or 2000 can be found at:
http://support.sgi.com/nt/

IRIX 5.2-6.4 Recommended/Required Patch Sets can be found at:
http://support.sgi.com/irix/ and ftp://patches.sgi.com/support/patchset/

IRIX 6.5 Maintenance Release Streams can be found at:
http://support.sgi.com/colls/patches/tools/relstream/index.html

IRIX 6.5 Software Update CDs can be obtained from:
http://support.sgi.com/irix/swupdates/

The primary SGI anonymous FTP site for security advisories and patches is
patches.sgi.com (216.32.174.211).  Security advisories and patches are
located under the URL ftp://patches.sgi.com/support/free/security/

For security and patch management reasons, ftp.sgi.com (mirrors
patches.sgi.com security FTP repository) lags behind and does not do a
real-time update.


- -----------------------------------------
- --- SGI Security Information/Contacts ---
- -----------------------------------------

If there are questions about this document, email can be sent to
security-info@sgi.com.

                      ------oOo------

SGI provides security information and patches for use by the entire SGI
community.  This information is freely available to any person needing the
information and is available via anonymous FTP and the Web.

The primary SGI anonymous FTP site for security advisories and patches is
patches.sgi.com (216.32.174.211).  Security advisories and patches are
located under the URL ftp://patches.sgi.com/support/free/security/

The SGI Security Headquarters Web page is accessible at the URL:
http://www.sgi.com/support/security/

For issues with the patches on the FTP sites, email can be sent to
security-info@sgi.com.

For assistance obtaining or working with security patches, please
contact your SGI support provider.

                      ------oOo------

SGI provides a free security mailing list service called wiretap and
encourages interested parties to self-subscribe to receive (via email) all
SGI Security Advisories when they are released. Subscribing to the mailing
list can be done via the Web
(http://www.sgi.com/support/security/wiretap.html) or by sending email to
SGI as outlined below.

% mail wiretap-request@sgi.com
subscribe wiretap <YourEmailAddress such as aaanalyst@sgi.com >
end
^d

In the example above, <YourEmailAddress> is the email address that you wish
the mailing list information sent to.  The word end must be on a separate
line to indicate the end of the body of the message. The control-d (^d) is
used to indicate to the mail program that you are finished composing the
mail message.


                      ------oOo------

SGI provides a comprehensive customer World Wide Web site. This site is
located at http://www.sgi.com/support/security/ .

                      ------oOo------

If there are general security questions on SGI systems, email can be sent to
security-info@sgi.com.

For reporting *NEW* SGI security issues, email can be sent to
security-alert@sgi.com or contact your SGI support provider.  A support
contract is not required for submitting a security report.

______________________________________________________________________________
      This information is provided freely to all interested parties
      and may be redistributed provided that it is not altered in any
      way, SGI is appropriately credited and the document retains and
      includes its valid PGP signature.

-----BEGIN PGP SIGNATURE-----
Version: 2.6.2

iQCVAwUBPclrLrQ4cFApAP75AQETXgQAnmAwWNgz8KHf7Os0sw6stKC9y1b/qAPn
WcVD5wrlY7KYEqyesKJbCNCQOePCUHccTK55lvNZr1SskYanWg85UEFPlWThc9HO
yPukEJubwGRRDD7pD6XiP20NJuqxItu1JjyDs4WuALoVaatpG0OwP6+oEw4w4tkj
MerxH2elsvo=
=+J+y
-----END PGP SIGNATURE-----

_______________________________________________
Full-Disclosure - We believe in it.
Charter: http://lists.netsys.com/full-disclosure-charter.html


 
 


Go to the Top of This SecurityTracker Archive Page





Home   |    View Topics   |    Search   |    Contact Us

This web site uses cookies for web analytics. Learn More

Copyright 2020, SecurityGlobal.net LLC