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Oracle Buffer Overflows in DBMS_CAPTURE_ADM_INTERNAL
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SUMMARY
Oracle Database Server provides the DBMS_CAPTURE_ADM_INTERNAL package that
is used internally by the Streams Change Data Capture component. This
package contains the procedures CREATE_CAPTURE, ALTER_CAPTURE,
ABORT_TABLE_INSTANTIATION that are vulnerable to buffer overflow attacks.
DETAILS
Affected versions:
Oracle Database Server versions 9iR1, 9iR2 and 10gR1.
Any Oracle database user with EXECUTE privilege on the package
SYS.DBMS_CAPTURE_ADM_INTERNAL can exploit this vulnerability. Exploitation
of this vulnerability allows an attacker to execute arbitrary code. It can
also be exploited to cause DOS (Denial of service) killing Oracle server
process.
Vendor Status:
Vendor was contacted and a patch was released.
Workaround:
Restrict access to the SYS.DBMS_CAPTURE_ADM_INTERNAL package.
Fix:
Apply Oracle Critical Patch Update January 2007 available at Oracle
Metalink.
<http://www.oracle.com/technology/deploy/security/critical-patch-updates/cpujan2007.html>
http://www.oracle.com/technology/deploy/security/critical-patch-updates/cpujan2007.html
ADDITIONAL INFORMATION
The original article can be found at:
<http://www.appsecinc.com/resources/alerts/oracle/2007-06.shtml>
http://www.appsecinc.com/resources/alerts/oracle/2007-06.shtml
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