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Oracle Database Buffer Overflow in SYS.OLAPIMPL_T.ODCITABLESTART
January 29, 2009
Risk Level:
High
Affected versions:
Oracle Database Server version 9iR2
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 SYS.OLAPIMPL_T package. This package contains the procedure ODCITABLESTART which is vulnerable to buffer overflow attacks.
Impact:
By default SYS.OLAPIMPL_T 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 the Oracle server process.
Vendor Status:
Vendor was contacted and
a patch was released.
Workaround:
Restrict access to the SYS.OLAPIMPL_T package.
Fix:
Apply Oracle Critical Patch Update January 2009 available at Oracle Metalink.
CVE:
CVE-2008-3974
Links:
http://www.oracle.com/technology/deploy/security/critical-patch-updates/cpujan2009.html
Timeline:
Vendor Notification -
2/22/2005
Fix - 1/13/2009
Public Disclosure -
1/29/2009
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Disclaimer: The
information in the
advisory is believed to
be accurate
at the time of
publishing based on
currently available
information. Use
of the information
constitutes acceptance
for use in an AS IS
condition.
There are no warranties
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