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Team SHATTER Security Alert (Update)

Oracle Database Buffer overflows and Denial of service vulnerabilities
in public procedures of MDSYS.MD (DB12)
Jan 18, 2007 (Updated July 18th, 2007)

Risk Level: High

Affected versions:
Oracle Database Server versions 8i, 9i and 10gR1

Remote exploitable: Yes (Authentication to Database Server is needed)

Credits:
This vulnerability was discovered and researched by Esteban Mart=EDnez
Fay=F3 of Application Security Inc.

CVE:
CVE-2007-0272

Details:
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.

Impact:
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 July 2007 available at Oracle Metalink.

Links:
http://www.oracle.com/technology/deploy/security/critical-patch-updates/cpujul2007.html 
http://www.appsecinc.com/resources/alerts/oracle/2007-05.shtml 


- --
_____________________________________________
Application Security, Inc.
www.appsecinc.com 
AppSecInc is the leading provider of database security solutions for the
enterprise. AppSecInc products proactively secure enterprise
applications at more than 300 organizations around the world by
discovering, assessing, and protecting the database against rapidly
changing security threats. By securing data at its source, we enable
organizations to more confidently extend their business with customers,
partners and suppliers. Our security experts, combined with our strong
support team, deliver up-to-date application safeguards that minimize
risk and eliminate its impact on business.

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