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Team SHATTER Alert: Oracle Database Buffer overflow vulnerability in procedure DBMS_AQADM_SYS.DBLINK_INFO
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Team SHATTER Security Alert
Oracle Database Buffer overflow vulnerability in procedure
October 29, 2007
Oracle Database Server versions 9iR1, 9iR2 (220.127.116.11 and previous
patchsets) and 10gR1
Yes (Authentication to Database Server is needed)
This vulnerability was discovered and researched by Esteban Martínez
Fayó of Application Security Inc.
Oracle Database Server provides the SYS.DBMS_AQADM_SYS package that is
used internally by the SYS.DBMS_AQADM package to provide procedures to
manage Oracle Streams Advanced Queuing (AQ) configuration and
administration information. This package contains the procedure
DBLINK_INFO which is vulnerable to buffer overflow attacks.
Any Oracle database user with EXECUTE privilege on the package
SYS.DBMS_AQADM_SYS can exploit this vulnerability. By default only
SYSDBA users have the required privilege. Exploitation of this
vulnerability allows an attacker to execute arbitrary code. It can also
be exploited to cause DoS (Denial of service) killing the Oracle server
Vendor was informed about this vulnerability on 2/22/2005 and a patch
was released on 10/16/2007.
Restrict access to the SYS.DBMS_AQADM_SYS package.
Apply Oracle Critical Patch Update October 2007 available at Oracle
Copyright © 2007 Application Security, Inc.
Application Security, Inc's database security solutions have helped over 900
organizations secure their databases from all internal and external threats
while also ensuring that those organizations meet or exceed regulatory
and audit requirements.
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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