-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Oracle Database Buffer overflow vulnerabilities in procedures of package DBMS_CAPTURE_ADM_INTERNAL (DB09) AppSecInc Team SHATTER Security Advisory http://www.appsecinc.com/resources/alerts/oracle Jan 18, 2007 Affected versions: Oracle Database Server versions 9iR1, 9iR2 and 10gR1 Risk level: Medium Remote exploitable: Yes (Authentication to Database Server is needed) Credits: This vulnerability was discovered and researched by Esteban Martínez Fayó of Application Security Inc. Details: 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. Impact: 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. Links: http://www.oracle.com/technology/deploy/security/critical-patch-updates/cpujan2007.html http://www.appsecinc.com/resources/alerts/oracle - -- _____________________________________________ 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. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.5 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFFt+779EOAcmTuFN0RAghNAJ9au2zMaTryG5FlsOYhzCOpUUPPMgCgrxBy kFo9nef8098NsSBFvq6cbqU= =c+cz -----END PGP SIGNATURE-----
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