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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 Martinez Fayo of Application Security Inc.
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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