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Oracle Database
Buffer Overflow in
Oracle
SYS.DBMS_AQJMS_INTERNAL
(DB15)
April 28, 2008
Risk Level:
Medium
Affected versions:
Oracle Database Server
versions 9iR1, 9iR2
(9.2.0.7 and previous
patchsets) and 10gR1
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.DBMS_AQJMS_INTERNAL
package. This package
contains the procedures
AQ$_REGISTER and
AQ$_UNREGISTER which are
vulnerable to buffer
overflow attacks.
Impact:
Any Oracle database user
with EXECUTE privilege
on the package
SYS.DBMS_AQJMS_INTERNAL
can exploit this
vulnerability. By
default, users granted
EXECUTE_CATALOG_ROLE,
AQ_ADMINISTRATOR_ROLE or
AQ_USER_ROLE have the
required privilege.
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.DBMS_AQJMS_INTERNAL
package.
Fix:
Apply Oracle Critical
Patch Update April 2008
available at Oracle
Metalink.
Links:
http://www.oracle.com/technology/deploy/security/critical-patch-updates/cpuapr2008.html
Timeline:
Vendor Notification -
2/22/2005
Fix - 04/15/2008
Public Disclosure -
04/28/2008
Application Security,
Inc's database security
solutions have helped
over 1000
organizations secure
their databases from all
internal and external
threats while also ensuring that
those organizations meet
or exceed regulatory
compliance
and audit requirements.
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
with regard to this
information. Neither the
author nor the publisher
accepts any liability
for any direct,
indirect, or
consequential loss or
damage arising from use
of, or
reliance on, this
information.
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