Oracle E-Business Suite RRA/FNDFS Arbitrary File Disclosure Vulnerability

Risk
High

Date Discovered
04-11-2003

Description
Oracle E-Business suite RRA/FNDFS server has been reported prone to an arbitrary file disclosure vulnerability.

The Oracle FNDFS server is used in usual circumstances, by Oracle utilities, to retrieve and extract report data from Concurrent Manager server. It has been reported that FNDFS may be used by an attacker to reveal the contents of arbitrary files located on the vulnerable system that are readable by 'oracle' or 'applmgr' user accounts.

Sensitive information obtained in this manner may be used in further attacks launched against the vulnerable system.

Components Affected
Oracle Applications 10.7
Oracle Applications 11.0
Oracle E-Business Suite 10.7
Oracle E-Business Suite 11.0
Oracle E-Business Suite 11i 11.1
Oracle E-Business Suite 11i 11.2
Oracle E-Business Suite 11i 11.3
Oracle E-Business Suite 11i 11.4
Oracle E-Business Suite 11i 11.5
Oracle E-Business Suite 11i 11.6
Oracle E-Business Suite 11i 11.7
Oracle E-Business Suite 11i 11.8

Recommendations
Block external access at the network boundary, unless service is required by external parties.
If applicable block or restrict SQL*Net traffic at the network boundary. Block ports used by SQL*Net. Allow SQL*Net traffic from trusted hosts and networks only.

Run all server processes as non-privileged users with minimal access rights.
Running the server with least possible privileges in a restricted environment may mitigate the impact of successful exploitation of this vulnerability.

Implement multiple authentication mechanisms.
If applicable employ FNDFS TNS Listener password and connection restrictions. This action may help prevent attempts to exploit this vulnerability.

The vendor has released patches that address this issue. Users have been advised to upgrade with the relevant patch. Users of Applications Desktop Integrator (ADI) are required to install an additional patch #2778660. See attached security alert (Oracle Security Alert #53) for further upgrade details.


Oracle Applications 10.7:
Oracle Applications 11.0:

Oracle Patch 2782950
http://metalink.oracle.com

Oracle Patch 2782945
http://metalink.oracle.com

Oracle Patch 2782945
http://metalink.oracle.com

Oracle Patch 2782945
http://metalink.oracle.com

Oracle Patch 2782945
http://metalink.oracle.com

Oracle Patch 2782945
http://metalink.oracle.com

Oracle Patch 2782945
http://metalink.oracle.com

Oracle Patch 2782945
http://metalink.oracle.com

Oracle Patch 2782945
http://metalink.oracle.com

References
Source: Integrigy OracleDB Listener Security
URL: http://www.integrigy.com/info/Integrigy_OracleDB_Listener_Security.pdf

Source: Oracle E-Business Suite FNDFS Vulnerability
URL: http://www.integrigy.com/alerts/FNDFS_Vulnerability.htm

Source: Oracle Homepage
URL: http://www.oracle.com/index.html

Source: Oracle Security Alert #53
URL: http://otn.oracle.com/deploy/security/pdf/2003alert53.pdf

Credits
Discovery of this vulnerability has been credited to Stephen Kost of Integrigy Corporation.

Copyright (c) 2003 by Symantec Corp.
Permission to redistribute this alert electronically is granted as long as it is not edited in any way unless authorized by Symantec Security Response. Reprinting the whole or part of this alert in any medium other than electronically requires permission from symsecurity@symantec.com.

Disclaimer
The information in the advisory is believed to be accurate at the time of publishing based on currently available information. Use of the information constitutes acceptance for use in an AS IS condition. There are no warranties with regard to this information. Neither the author nor the publisher accepts any liability for any direct, indirect, or consequential loss or damage arising from use of, or reliance on, this information.

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