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Oracle Database Buffer Overflows and DoS Vulnerabilities in Public
Procedures Of MDSYS.MD
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SUMMARY
Oracle Database Server provides the MDSYS.MD package that is used in the
Oracle Spatial component. These packages contain many public procedures
that are vulnerable to buffer overflow and denial of service attacks.
DETAILS
Affected versions:
Oracle Database Server versions 8i, 9i and 10gR1
By default MDSYS.MD has EXECUTE permission to PUBLIC so any Oracle
database user 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 MDSYS.MD 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/2007-05.shtml>
http://www.appsecinc.com/resources/alerts/oracle/2007-05.shtml
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