__________________________________________________________ The U.S. Department of Energy Computer Incident Advisory Capability ___ __ __ _ ___ / | /_\ / \___ __|__ / \ \___ __________________________________________________________ INFORMATION BULLETIN Oracle Buffer Overflow in E-Business Suite [Oracle Security Alert 56] July 25, 2003 21:00 GMT Number N-128 ______________________________________________________________________________ PROBLEM: The FNDWRR CGI program is vulnerable to malformed requests that may permit a knowledgeable and malicious user to cause the FNDWRR executable to crash. SOFTWARE: Oracle E-Busines Suite 11i, Release 1 through Release 8 Oracle Applications, All Releases DAMAGE: May grant a user unauthorized access to Oracle E-Business Suite. SOLUTION: Apply patch as stated in Oracle's security alert. ______________________________________________________________________________ VULNERABILITY The risk is MEDIUM. A user must have HTTP access, as well as ASSESSMENT: specialized knowledge to exploit this vulnerability over the Internet to gain unauthorized access to Oracle E-Business Suite. ______________________________________________________________________________ LINKS: CIAC BULLETIN: http://www.ciac.org/ciac/bulletins/n-128.shtml ORIGINAL BULLETIN: http://otn.oracle.com/deploy/security/pdf/2003alert56.pdf ______________________________________________________________________________ [***** Start Oracle Security Alert 56 *****] Oracle Security Alert 56 Dated: July 23, 2003 Severity: 1 Buffer Overflow Vulnerability in Oracle E-Business Suite Description A potential security vulnerability has been discovered in Oracle E-Business Suite. The FNDWRR CGI program is vulnerable to malformed requests that may permit a knowledgeable and malicious user to cause the FNDWRR executable to crash. However, this crash will neither result in a Denial of Service (DoS) against Oracle E-Business Suite, nor prevent the FNDWRR executable from reliably serving correctly formed requests, but it may grant a user unauthorized access to Oracle E-Business Suite. Products Affected • Oracle E-Business Suite 11i, Release 1 through Release 8 • Oracle Applications, All Releases Platforms Affected All platforms. Required conditions for exploit User with HTTP access to a Web Server set up to spawn the FNDWRR CGI program. Risk to exposure Risk to exposure is high, as any user with HTTP access and specialized knowledge can exploit this vulnerability over the Internet to gain unauthorized access to Oracle E-Business Suite if the conditions mentioned above are met. How to minimize risk There are no workarounds that can directly address this potential security vulnerability, but a patch is available (see below). Oracle strongly recommends that customers follow best practices for Oracle E-Business Suite, Metalink note 189367.1 “Best Practices for Keeping Your E-Business Suite Secure” available at http://metalink.oracle.com. Ramification for customer Customers are vulnerable unless the patch is applied. Oracle strongly recommends that customers review the severity rating for this Alert and patch accordingly. See http://otn.oracle.com/deploy/security/pdf/oracle_severity_ratings.pdf for a definition of severity ratings. Patch Information The patch enhances the robustness of the FNDWRR CGI program. Fixed by Obtain and install the correct Mandatory Applications Security Patch for your release of E-Business Suite: • Oracle E-Business Suite 11i, Releases 1 through 8 • Oracle Applications, All Releases Download this one-off patch from the Oracle Support Services web site, Metalink (http://metalink.oracle.com). 1. Click on the Patches button. 2. Click on the "New Metalink Patch Search ". If you are not on the "Simple Search" screen, click on the "Simple Search" button. 3. Input the bug number 2919943 on the "Search by Patch Number" box. 4. Click Go. 5. Select the patch for the appropriate product version. 6. Select the appropriate platform. 7. Click Download. Please review Metalink, or check with Oracle Support Services periodically for patch availability if the patch for your platform is unavailable. Oracle strongly recommends that you backup and comprehensively test the stability of your system upon application of any patch prior to deleting any of the original file(s) that are replaced by the patch. Patch Availability Matrix Platforms Oracle E-Business Oracle Applications, Suite 11i All Releases Releases 1-8 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ Sun Solaris Intel (32-bit) N/A 2919943 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ Sun Solaris SPARC (32-bit) 2919943 2919943 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ IBM AIX 4.3.3 and 5L (32-bit) 2919943 2919943 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ MS Windows NT/2000/XP 2919943 2919943 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ HP-UX (32-bit) 2919943 2919943 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ HP Tru64 2919943 2919943 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ LINUX 2919943 N/A +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ SGI 32-bit UNIX N/A 2919943 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ N/A: The Oracle E-Business Suite Release/Version is not available for this platform. Planned: The patch is not released yet. Future release (e.g. 11.5.9 and higher) of the Oracle E-Business Suite will contain the fix by default. Credits Oracle Corporation thanks Stephen Kost of Integrigy Corporation for discovering and promptly bringing this potential security vulnerability to Oracle’s attention. The Integrigy alert is available at http://www.integrigy.com/alerts.htm. Modification History 23-JUL-03: Initial release, version 1 [***** End Oracle Security Alert 56 *****] _______________________________________________________________________________ CIAC wishes to acknowledge the contributions of Oracle Corporation for the information contained in this bulletin. _______________________________________________________________________________ CIAC, the Computer Incident Advisory Capability, is the computer security incident response team for the U.S. Department of Energy (DOE) and the emergency backup response team for the National Institutes of Health (NIH). CIAC is located at the Lawrence Livermore National Laboratory in Livermore, California. CIAC is also a founding member of FIRST, the Forum of Incident Response and Security Teams, a global organization established to foster cooperation and coordination among computer security teams worldwide. CIAC services are available to DOE, DOE contractors, and the NIH. CIAC can be contacted at: Voice: +1 925-422-8193 (7x24) FAX: +1 925-423-8002 STU-III: +1 925-423-2604 E-mail: ciac@ciac.org Previous CIAC notices, anti-virus software, and other information are available from the CIAC Computer Security Archive. World Wide Web: http://www.ciac.org/ Anonymous FTP: ftp.ciac.org PLEASE NOTE: Many users outside of the DOE, ESnet, and NIH computing communities receive CIAC bulletins. If you are not part of these communities, please contact your agency's response team to report incidents. Your agency's team will coordinate with CIAC. The Forum of Incident Response and Security Teams (FIRST) is a world-wide organization. A list of FIRST member organizations and their constituencies can be obtained via WWW at http://www.first.org/. This document was prepared as an account of work sponsored by an agency of the United States Government. Neither the United States Government nor the University of California nor any of their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights. Reference herein to any specific commercial products, process, or service by trade name, trademark, manufacturer, or otherwise, does not necessarily constitute or imply its endorsement, recommendation or favoring by the United States Government or the University of California. The views and opinions of authors expressed herein do not necessarily state or reflect those of the United States Government or the University of California, and shall not be used for advertising or product endorsement purposes. LAST 10 CIAC BULLETINS ISSUED (Previous bulletins available from CIAC) N-118: Cisco IOS Interface Blocked by IPv4 Packet N-119: Microsoft Internet Security and Acceleration (ISA) Server Error Pages Could Allow Cross-Site Scripting Attack N-120: Unchecked Buffer in Microsoft Windows Shell Could Enable System Compromise N-121: Red Hat Updated Mozilla Packages Fix Security Vulnerability N-122: Red Hat Updated 2.4 Kernel Fixes Vulnerabilities N-123: SGI Login Vulnerabilities N-124: Sun Solaris 8 LDAP Clients May Log the Proxy Agent User's Password as Clear Text N-125: Cumulative Patch for Microsoft SQL Server N-126: Microsoft Unchecked Buffer in DirectX Could Enable System Compromise N-127: Buffer Overflows in EXTPROC of Oracle Database Server