[NEWS] Oracle Database Buffer Overflow Vulnerabilities In Procedure DBMS_REPCAT_UNTRUSTED.UNREGISTER_SNAPSHOT

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Oracle Database Buffer Overflow Vulnerabilities In Procedure
DBMS_REPCAT_UNTRUSTED.UNREGISTER_SNAPSHOT
------------------------------------------------------------------------


SUMMARY

Oracle Database Server provides the DBMS_REPCAT_UNTRUSTED package that can
be used to administer a replicated environment. This package contains the
procedure UNREGISTER_SNAPSHOT which is vulnerable to buffer overflow
attacks.

DETAILS

Affected versions:
* Oracle Database Server versions 9i and 10gR1

Any Oracle database user with EXECUTE privilege on the package
SYS.DBMS_REPCAT_UNTRUSTED 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_REPCAT_UNTRUSTED 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/2007-03.shtml>
http://www.appsecinc.com/resources/alerts/oracle/2007-03.shtml



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