[VulnWatch] Oracle Database Buffer overflow vulnerabilities in procedure DBMS_DRS.GET_PROPERTY (DB03)

From: Team SHATTER (shatter@private)
Date: Wed Jul 18 2007 - 14:52:12 PDT


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Team SHATTER Security Alert (Update)

Oracle Database Buffer overflow vulnerabilities in procedure
DBMS_DRS.GET_PROPERTY (DB03)

Jan 18, 2007 (Updated July 18th, 2007)
Risk Level: Medium

Affected versions:
Oracle Database Server versions 9i, 9iR2, 10gR1 and 10gR2

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

Credits:
This vulnerability was discovered and researched by Esteban Martínez
Fayó of Application Security Inc.

CVE:
CVE-2007-0270

Details:
Oracle Database Server provides the DBMS_DRS package that includes
procedures used in Oracle Data Guard. This package contains the function
GET_PROPERTY which is vulnerable to buffer overflow attacks.

Impact:
Any Oracle database user with EXECUTE privilege on the package
SYS.DBMS_DRS 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_DRS 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/2007-04.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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