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             AUSCERT External Security Bulletin Redistribution

                   ESB-2004.0187 -- CIAC BULLETIN O-093
             Oracle9i Database Buffer Overflow Vulnerabilities
                               09 March 2004

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:                Oracle 9i
Publisher:              CIAC
Impact:                 Execute Arbitrary Code/Commands
                        Access Privileged Data

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             __________________________________________________________

                       The U.S. Department of Energy
                   Computer Incident Advisory Capability
                           ___  __ __    _     ___
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                          \___  __|__  /   \  \___
             __________________________________________________________

                             INFORMATION BULLETIN

               Oracle9i Database Buffer Overflow Vulnerabilities
                 [VU# 819126, VU#240174, VU#846582, VU#399806]

March 8, 2004 19:00 GMT                                           Number O-093
______________________________________________________________________________
PROBLEM:       Oracle9i Database contains vulnerabilities in the following 
               areas: 

               (1) TIME_ZONE session parameter - This session parameter 
                   specifies the local time zone displacement for the current 
                   SQL session. 
               (2) NUMTOYMINTERVAL() function - This function is responsible 
                   for handling date conversions. 
               (3) NUMTODSINTERVAL() function - This function is responsible 
                   for handling date/time conversions. 
               (4) FROM_TZ() function - This function is responsible for 
                   handling time stamp conversions. 

SOFTWARE:      Oracle 9i Database 

DAMAGE:        Execution of arbitrary code or accessing data with privilege of 
               the vulnerable process may occur if vulnerabilities are 
               exploited. Note that Oracle typically runs as System on Windows 
               and as the Oracle user on UNIX. By supplying a very long 
               character string to the vulnerable functions noted above, an 
               unauthorized user could overwrite a return address on the 
               stack, resulting in the ability to execute arbitrary code or 
               access data with the privileges of the vulnerable process. 

SOLUTION:      Upgrade to Oracle 9i Database Release 2, version 9.2.0.3. 
______________________________________________________________________________
VULNERABILITY  The risk is MEDIUM. An unauthorized user may execute arbitrary 
ASSESSMENT:    code or access data. 
______________________________________________________________________________
LINKS: 
 CIAC BULLETIN:      http://www.ciac.org/ciac/bulletins/o-093.shtml 
 ORIGINAL BULLETIN:  US-CERT Vulnerability Note VU#819126
                     http://www.kb.cert.org/vuls/id/819126 
                     US-CERT Vulnerability Note VU#240174
                     http://www.kb.cert.org/vuls/id/240174
                     US-CERT Vulnerability Note VU#846582
                     http://www.kb.cert.org/vuls/id/846582
                     US-CERT Vulnerability Note VU#399806
                     http://www.kb.cert.org/vuls/id/399806
ADDITIONAL LINK:     Oracle Metalink (account required)
                     http://metalink.oracle.com 
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