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Oracle Database SQL Injection in SYS.DBMS_CDC_IPUBLISH.ALTER_HOTLOG_INTERNAL_CSOURCE
November 11, 2008
Risk Level:
Medium
Affected versions:
Oracle Database Server versions 10gR1, 10gR2 and 11gR1
Remote exploitable:
Yes (Authentication required)
Credits:
This vulnerability was
discovered and
researched by Esteban Martínez Fayó of Application
Security Inc.
Details:
The PL/SQL package DBMS_CDC_IPUBLISH owned by SYS has an instance of SQL Injection in the ALTER_HOTLOG_INTERNAL_CSOURCE procedure. A malicious user can call the vulnerable procedure of this package with specially crafted parameters and execute SQL statements with the elevated privileges of the SYS user.
Impact:
Any Oracle database user with EXECUTE privilege on the package SYS.DBMS_CDC_IPUBLISH can exploit this vulnerability. By default, users granted EXECUTE_CATALOG_ROLE have the required privilege. Exploitation of this vulnerability allows an attacker to execute SQL commands with SYS privileges.
Vendor Status:
Vendor was contacted and
a patch was released.
Workaround:
Restrict access to the SYS.DBMS_CDC_IPUBLISH package.
Fix:
Apply Oracle Critical Patch Update October 2008 available at Oracle Metalink.
CVE:
CVE-2008-3996
Timeline:
Vendor Notification -
3/20/2008
Vendor Response -
3/24/2008
Fix - 10/14/2008
Public Disclosure -
10/22/2008
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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
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for use in an AS IS
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