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Category:   OS (UNIX)  >   IBM AIX Vendors:   IBM
AIX Buffer Overflow in libodm May Let Local Users Gain Elevated Privileges
SecurityTracker Alert ID:  1018345
SecurityTracker URL:
CVE Reference:   CVE-2007-3680   (Links to External Site)
Updated:  Apr 24 2008
Original Entry Date:  Jul 10 2007
Impact:   Execution of arbitrary code via local system, Root access via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 5.2, 5.3
Description:   A vulnerability was reported in libodm on IBM AIX. A local user can obtain elevated privileges on the target system.

A local user can trigger a buffer overflow in the Object Data Manager library to execute arbitrary code on the target system with root privileges.

The vendor was notified on April 2, 2007.

iDefense reported this vulnerability to IBM.

Impact:   A local user can obtain root privileges on the target system.
Solution:   The vendor has issued the following fixes, available at:

APAR number for AIX 5.2.0: IZ00531
APAR number for AIX 5.3.0: IZ01437

Interim fixes are also available at:

The IBM advisory is available at:

Vendor URL: (Links to External Site)
Cause:   Boundary error
Underlying OS:  

Message History:   None.

 Source Message Contents

Date:  Mon, 9 Jul 2007 23:10:10 -0400
Subject:  IBM AIX

Hash: SHA1


First Issued: Mon Jul  9 11:46:29 CDT 2007
                           VULNERABILITY SUMMARY

VULNERABILITY:      A buffer overflow vulnerability exists in libodm.

PLATFORMS:          AIX 5.2, 5.3.

SOLUTION:           Apply the APAR, interim fix or workaround as
                    described below.

THREAT:             A local user may execute arbitrary code with root

CERT VU Number:     n/a
CVE Number:         n/a
                           DETAILED INFORMATION

I. Description

A buffer overflow vulnerability exists in the libodm library whereby a
local user may be able to execute arbitrary code.

A. Background
- -------------
IBM provides an Object Data Manager (ODM) for storing system settings,
device configuration and application information in the AIX operating

B. Vulnerability assessment
- --------------------------

The following table shows which file-sets are affected by this issue:

    AIX Release         File-set                Lower           Upper
                                        Level           Level
    AIX 5.2             bos.rte.odm
    AIX 5.3             bos.rte.odm

To determine which version of a given file-set is installed, execute
following command:

# lslpp -L  grep bos.rte.odm

The file-set will be listed along with its version information, state,
type and a description.

II. Impact

Successful exploitation of this vulnerability can result in a local user
executing arbitrary code with root privileges.

III. Solutions

A. Official Fix
- ---------------

IBM provides the following fixes:

     APAR number for AIX 5.2.0: IY97632 (available approx. 07/25/07)
     APAR number for AIX 5.3.0: IY97632 (available approx. 07/04/07)

NOTE: Affected customers are urged to upgrade to the latest applicable
Technology Level and Service Pack.

B. Interim Fix
- --------------

Interim fixes are available. The interim fixes can be downloaded via ftp

This is a compressed tarball containing this advisory, interim fix packages
and cleartext PGP signatures for each package.

AIX Release &           Interim fix
Technology Level
- ------------------------------------------------
5300-04                 IY97632_04.070709.epkg.Z
5300-05                 IY97632_05.070709.epkg.Z
5300-06                 IY97632_06.070709.epkg.Z
5200-08                 IY97632_08.070709.epkg.Z
5200-09                 IY97632_09.070709.epkg.Z
5200-10                 IY97632_10.070709.epkg.Z

Verify you have retrieved the fixes intact:
The interim fixes below are named by using the technology level
corresponding to the release that the fix applies to.

The checksums below were generated using the "sum" and "md5sum" commands
and are as follows:

The interim fixes below include prerequisite checking. This will enforce
the correct mapping between the fixes and AIX Technology Levels.

Filename                   sum         md5sum
- -----------------------------------------------------------------------
IY97632_04.070709.epkg.Z   18324 125   53a24f096f6508fdb034b5aa8c466bcd
IY97632_05.070709.epkg.Z   18858 125   ae5f49d547d4bb4863d1285c73dc4ea5
IY97632_06.070709.epkg.Z   38524 125   c87c8c0273de5effcf75f1426475dd1a
IY97632_08.070709.epkg.Z   22669 126   b1b19d0c0b5296b913d901c7e649e864
IY97632_09.070709.epkg.Z   50020 125   8b7d8327d0c5f362d7b6f800037c1aa3
IY97632_10.070709.epkg.Z   31936 126   78650dea77ecefc95ba368fdc3ee2f71

These sums should match exactly. The PGP signatures in the compressed
tarball and on this advisory can also be used to verify the integrity of
the various files they correspond to. If the sums or signatures cannot be
confirmed, double check the command results and the download site address.
If those are OK, contact IBM AIX Security at
and describe the discrepancy.

IMPORTANT: If possible, it is recommended that a mksysb backup of the
system is created. Verify it is both bootable, and readable before

These interim fixes have not been fully regression tested; thus, IBM does
not warrant the fully correct functioning of the interim fix. Customers
install the interim fix and operate the modified version of AIX at their
own risk.

Interim Installation Instructions
- ---------------------------------

These packages use the new Interim Fix Management Solution to install and
manage interim fixes. More information can be found at:

To preview an epkg interim fix installation execute the following command:

# emgr -e ipkg_name -p       # where ipkg_name is the name of the
                             # interim fix package being previewed.

To install an epkg interim fix package, execute the following command:

# emgr -e ipkg_name -X       # where ipkg_name is the name of the
                             # interim fix package being installed.

The "X" flag will expand any filesystems if required.

C. Workaround
- -------------


IV. Obtaining Fixes

AIX Version 5 APARs can be downloaded from:

Security related Interim Fixes can be downloaded from:

V. Contact Information

If you would like to receive AIX Security Advisories via email, please

Comments regarding the content of this announcement can be directed to:

To request the PGP public key that can be used to communicate securely
with the AIX Security Team send email to
with a subject of "get key". The key can also be downloaded from a PGP
Public Key Server. The key id is 0x4265D862.

Please contact your local IBM AIX support center for any assistance.

eServer is a trademark of International Business Machines Corporation.
IBM, AIX and pSeries are registered trademarks of International Business
Machines Corporation. All other trademarks are property of their respective

VI. Acknowledgments

iDefense ( credits an anonymous contributer.

Version: GnuPG v1.4.7 (AIX)


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